Rebar sizes are typically indicated by a number, such as #2, #3, etc. The corresponding diameters can vary by region and standards, but as a general reference:

● #2 rebar has a diameter of approximately 0.25 inches (6.35 mm).

● #3 rebar has a diameter of approximately 0.375 inches (9.525 mm).

● #4 rebar has a diameter of approximately 0.5 inches (12.7 mm).

● #5 rebar has a diameter of approximately 0.625 inches (15.875 mm).

● #6 rebar has a diameter of approximately 0.75 inches (19.05 mm).

● #7 rebar has a diameter of approximately 0.875 inches (22.225 mm).

● #8 rebar has a diameter of approximately 1 inch (25.4 mm).

● #9 rebar has a diameter of approximately 1.128 inches (28.65 mm).

● #10 rebar has a diameter of approximately 1.27 inches (32.26 mm).

In this article we provide US based steel/ reinforcing bar sizes and their diameter, as we know that different countries in the world have their own gradation, specification of Steel and record of measurement for reinforcing bar, we briefly explain the different imperial bar sizes, their nominal diameter in inches and millimetre, their nominal area in square inches and Square millimetre and their mass per unit length in pound per foot and kg per metre. This will help to viewers in better understanding and it is easy to choose the most suitable rebar you wanted according to requirement.

Rebar is short form of reinforcing bar, it is steel bar or Steel wire provided as tension bar, used in reinforced concrete structure like column, beam and slab of house construction and it also used in reinforced masonry structure. It is used to increase the strength of concrete structure.

Imperial steel/ ASTM standard reinforcing bars available in different size like number 2 rebar (indicated as #2 rebar), number 3 rebar (indicated as #3 rebar), number 4 rebar (indicated as #4 rebar), number 5 rebar (indicated as #5 rebar), number 6 rebar (indicated as #6 rebar), number 7 rebar (indicated as #7 rebar), number 8 rebar (indicated as #8 rebar), number 9 rebar (indicated as #9 rebar), number 10 rebar (indicated as #10 rebar), number 11 rebar (indicated as #11 rebar), number 14 rebar (indicated as #14 rebar) & number 18 rebar (indicated as #18 rebar). It will be also customise according to requirement of customers.

**What size is number 2, 3, 4, 5, 6, 7, 8, 9 & 10 rebar**

**Imperial Steel/ reinforcing bar sizes and their diameter,**** i****mperial reinforcing bar sizes:**– Imperial steel/ reinforcing bar available in different size like #2 (read as number 2 rebar), #3 (read as number 3 rebar), #4 (read as number 4 rebar), #5 (read as number 5 rebar), #6 (read as number 6 rebar), #7 (read as number 7 rebar), #8 (read as number 8 rebar), #9 (read as number 9 rebar), #10 (read as number 10 rebar), #11 (read as number 11 rebar), #14 (read as number 14 rebar) and #18 (read as number 18 rebar). It will be also customise according to requirement of customers.

**How to change Imperial bar size to soft metric size**

Their is Questions “how to change Imperial bar size to soft metric size”, Imperial bar sizes gives the diameter in units of 1/8 inch, suppose we have Imperial bar size is #3 (read as number 3 rebar), then their size = imperial bar size × 1/8 inch

Formula, we used Imperial bar size in inch

Imperial bar size in inch = imperial bar size × 1/8

Using this formula, size of #3 (read as number 3 rebar) rebar = 3 × 1/8 = 0.375 inch, which is equal to 9.525mm, approximately 10mm, now 10 mm size is soft metric size represented as #10 (read as number 10 rebar).

**What size/diameter is number 2 rebar**

We are calculating the size of #2 rebar/number 2 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of number 2 rebar**

Size of #2 rebar is 0.25 inch or 6.35mm. We are calculating the size of number 2 rebar/ #2 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #2 rebar = 2 × 1/8 inch = 0.25 inch, converting into mm which is equal to 6.35mm, their soft metric size is #6 (number 6 rebar), so size of #2 rebar is 0.25 inch or 6.35mm.

**How big is number 2 Rebar**

Number 2 bar/ #2 rebar is big as 0.25 inch or 6.35mm. We are calculating how big is number 2 rebar/ #2 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #2 rebar = 2 × 1/8 inch = 0.25 inch, converting into mm which is equal to 6.35mm, their soft metric size is #6 (number 6 rebar), so number 2 bar/ #2 rebar is big as 0.25 inch or 6.35mm.

**Diameter of a number 2 rebar**

Diameter of a number 2 rebar/ #2 rebar is 0.25 inch or 6.35mm. We are calculating the diameter of a 2 rebar/ #2 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 2 rebar/ #2 rebar = 2 × 1/8 inch = 0.25 inch, converting into mm which is equal to 6.35mm, their soft metric size is #6 (number 6 rebar), so diameter of a number 2 rebar/ #2 rebar is 0.25 inch or 6.35mm.

**What is the diameter of #2 rebar**

Diameter of a number 2 rebar/ #2 rebar is 0.25 inch or 6.35mm. We are calculating the diameter of 2 rebar/ #2 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 2 rebar/ #2 rebar = 2 × 1/8 inch = 0.25 inch, converting into mm which is equal to 6.35mm, their soft metric size is #6 (number 6 rebar), so diameter of a number 2 rebar/ #2 rebar is 0.25 inch or 6.35mm.

**What size is number 2 rebar**

Size of number 2 bar/ #2 rebar is 0.25 inch or 6.35mm. We are calculating size of number 2 rebar/ #2 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #2 rebar = 2 × 1/8 inch = 0.25 inch, converting into mm which is equal to 6.35mm, their soft metric size is #6 (number 6 rebar), so size of number 2 bar/ #2 rebar is 0.25 inch or 6.35mm.

**#2 rebar diameter**

The nominal diameter of #2 rebar or number 2 rebar is equal to 0.25 inches or 6.35 millimeters and their nominal area is about 0.05 square inches (32 mm2). Imperial size/ diameter of #2 rebar = 2 × 1/8 inch = 0.25 inch or 6.35mm.

**Summary:-**

**Physical characteristics of imperial bar size #2/ number 2 rebar**

1) imperial bar size = #2

2) soft metric size = #6

3) nominal diameter in inch = 0.25inch

4) nominal diameter in mm = 6.35mm

5) nominal area in sq inch = 0.05 sq inch

6) nominal area in sq mm = 32mm2

7) weight per unit length in pound per foot = 0.166lb/ft

8) mass per unit length in kilogram per meter = 0.249kg/m.

**What size/diameter is number 3 rebar (# 3 rebar)**

We are calculating the size of #3 rebar/number 3 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of number 3 rebar**

Size of #3 rebar is 0.375 inch or 9.525mm. We are calculating the size of number 3/ #3 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #3 rebar = 3 × 1/8 inch = 3/8 inch = 0.375 inch, converting into mm which is equal to 9.525mm, their soft metric size is #10 (number 10 rebar), so size of #3 rebar is 0.375 inch or 9.525mm.

**How big is number 3 Rebar**

Number 3 bar/ #2 rebar is big as 0.375 inch or 9.525mm. We are calculating how big is number 3 rebar/ #3 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #3 rebar = 3 × 1/8 inch = 3/8 inch = 0.375 inch, converting into mm which is equal to 9.525mm, their soft metric size is #10 (number 10 rebar), so number 3 bar/ #2 rebar is big as 0.375 inch or 9.525mm.

**Diameter of a number 3 rebar**

Diameter of a number 3 rebar/ #3 rebar is 0.375 inch or 9.525mm. We are calculating the diameter of a 3 rebar/ #3 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 3 rebar/ #3 rebar = 3 × 1/8 inch = 3/8 inch = 0.375 inch, converting into mm which is equal to 9.525mm, their soft metric size is #10 (number 10 rebar), so diameter of a number 3 rebar/ #3 rebar is 0.375 inch or 9.525mm.

**What is the diameter of #3 rebar**

Diameter of a number 3 rebar/ #3 rebar is 0.375 inch or 9.525mm. We are calculating the diameter of 3 rebar/ #3 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 3 rebar/ #3 rebar = 3 × 1/8 inch = 3/8 inch = 0.375 inch, converting into mm which is equal to 9.525mm, their soft metric size is #10 (number 10 rebar), so diameter of a number 3 rebar/ #3 rebar is 0.375 inch or 9.525mm.

**What size is number 3 rebar**

Size of number 3 bar/ #3 rebar is 0.375 inch or 9.525mm. We are calculating size of number 3 rebar/ #3 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #3 rebar = 3 × 1/8 inch =3/8inch = 0.375 inch, converting into mm which is equal to 9.525mm, their soft metric size is #10 (number 10 rebar), so size of number 3 bar/ #3 rebar is 0.375 inch or 9.525mm.

**#3 rebar diameter**

The nominal diameter of #3 rebar or number 3 rebar is equal to 0.375 inches or 9.525 millimeters and their nominal area is about 0.11 square inches (71 mm2). . Imperial size/ diameter of #3 rebar = 3 × 1/8 inch = 3/8″ or 0.375 inch or 9.525mm.

**Summary:-**

**Physical characteristics of imperial bar size #3/ number 3 rebar**

1) imperial bar size = #3

2) soft metric size = #10

3) nominal diameter in inch = 0.375inch

4) nominal diameter in mm = 9.525mm

5) nominal area in sq inch = 0.11 sq inch

6) nominal area in sq mm = 71mm2

7) weight per unit length in pound per foot = 0.375lb/ft

8) mass per unit length in kilogram per meter = 0.561kg/m.

**What size/diameter is number 4 rebar**

We are calculating the size of #4 rebar/number 4 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of number 4 rebar**

Size of #4 rebar is 0.5 inch or 12.7mm. We are calculating the size of number 4/ #4 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #4 rebar = 4 × 1/8 inch = 1/2 inch = 0.5 inch, converting into mm which is equal to 12.7mm, their soft metric size is #13 (number 13 rebar), so size of #4 rebar is 0.5 inch or 12.7mm.

**How big is number 4 Rebar**

Number 4 bar/ #4 rebar is big as 0.5 inch or 12.7mm. We are calculating how big is number 4 rebar/ #4 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #4 rebar = 4 × 1/8 inch = 1/2 inch = 0.5 inch, converting into mm which is equal to 12.7mm, their soft metric size is #13 (number 13 rebar), so number 4 bar/ #4 rebar is big as 0.5 inch or 12.7mm.

**Diameter of a number 4 rebar**

Diameter of a number 4 rebar/ #4 rebar is 0.5 inch or 12.7mm. We are calculating the diameter of a 4 rebar/ #4 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 4 rebar/ #4 rebar = 4 × 1/8 inch = 1/2 inch = 0.5 inch, converting into mm which is equal to 12.7mm, their soft metric size is #13 (number 13 rebar), so diameter of a number 4 rebar/ #4 rebar is 0.5 inch or 12.7mm.

**What is the diameter of #4 rebar**

Diameter of a number 4 rebar/ #4 rebar is 0.5 inch or 12.7mm. We are calculating the diameter of 4 rebar/ #4 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 4 rebar/ #4 rebar = 4 × 1/8 inch = 1/2 inch = 0.5 inch, converting into mm which is equal to 12.7mm, their soft metric size is #13 (number 13 rebar), so diameter of a number 4 rebar/ #4 rebar is 0.5 inch or 12.7mm.

**What size is number 4 rebar**

Size of number 4 bar/ #4 rebar is 0.50 inch or 12.7mm. We are calculating size of number 4 rebar/ #4 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #4 rebar = 4 × 1/8 inch =1/2 inch = 0.5 inch, converting into mm which is equal to 12.7mm, their soft metric size is #13 (number 13 rebar), so size of number 4 bar/ #4 rebar is 0.50 inch or 12.7mm.

**#4 rebar diameter**

The nominal diameter of #4 rebar or number 4 rebar is equal to 0.5 inches or 12.7 millimeters and their nominal area is about 0.20 square inches (129 mm2).. Imperial size/ diameter of #4 rebar = 4 × 1/8 inch = 1/2″ or 0.5 inch or 12.7mm.

**Summary:-**

**Physical characteristics of imperial bar size #4/ number 4 rebar**

1) imperial bar size = #4

2) soft metric size = #13

3) nominal diameter in inch = 0.5inch

4) nominal diameter in mm = 12.7mm

5) nominal area in sq inch = 0.20 sq inch

6) nominal area in sq mm = 129mm2

7) weight per unit length in pound per foot = 0.668lb/ft

8) mass per unit length in kilogram per meter = 0.996kg/m.

**What size/diameter is number 5 rebar**

We are calculating the size of #5 rebar/number 5 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of number 5 rebar**

Size of #5 rebar is 0.625 inch or 15.875mm. We are calculating the size of number 5/ #5 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #5 rebar = 5 × 1/8 inch = 5/8 inch = 0.625 inch, converting into mm which is equal to 15.875mm, their soft metric size is #16 (number 16 rebar), so size of #5 rebar is 0.625 inch or 15.875mm.

**How big is number 5 Rebar**

Number 5 bar/ #5 rebar is big as 0.625 inch or 15.875mm. We are calculating how big is number 5 rebar/ #5 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #5 rebar = 5 × 1/8 inch = 5/8 inch = 0.625 inch, converting into mm which is equal to 15.875mm, their soft metric size is #16 (number 16 rebar), so number 5 bar/ #5 rebar is big as 0.625 inch or 15.875mm.

**#5 rebar diameter** The nominal diameter of #5 rebar, (number 5 rebar) is 0.625 inches (15.875 millimeters and nominal area is 0.31 square inches. We are calculating the diameter of a 5 rebar/ #5 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 5 rebar/ #5 rebar = 5 × 1/8 inch = 5/8 inch = 0.625 inch, converting into mm which is equal to 15.875mm, their soft metric size is #16 (number 16 rebar), so diameter of a number 5 rebar/ #5 rebar is 0.625 inch or 15.875mm.

**What is the diameter of #5 rebar**

Diameter of a number 5 rebar/ #5 rebar is 0.625 inch or 15.875mm. We are calculating the diameter of 5 rebar/ #5 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 5 rebar/ #5 rebar = 5 × 1/8 inch = 5/8 inch = 0.625 inch, converting into mm which is equal to 15.875mm, their soft metric size is #16 (number 16 rebar), so diameter of a number 5 rebar/ #5 rebar is 0.625 inch or 15.875mm.

**What size is number 5 rebar**

Size of number 5 bar/ #5 rebar is 0.625 inch or 15.875mm. We are calculating size of number 5 rebar/ #5 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #5 rebar = 5 × 1/8 inch =5/8 inch = 0.625 inch, converting into mm which is equal to 15.875mm, their soft metric size is #16 (number 16 rebar), so size of number 5 bar/ #5 rebar is 0.625 inch or 15.875mm.

**#5 rebar diameter**

The nominal diameter of #5 rebar or number 5 rebar is equal to 0.625 inches or 15.875 millimeters and their nominal area is about 0.31 square inches (200 mm2). Imperial size/ diameter of #5 rebar = 5 × 1/8 inch = 5/8″ or 0.625 inch or 15.875mm.

**Summary:-**

**Physical characteristics of imperial bar size #5/ number 5 rebar**

1) imperial bar size = #5

2) soft metric size = #16

3) nominal diameter in inch = 0.625inch

4) nominal diameter in mm = 15.875mm

5) nominal area in sq inch = 0.31 sq inch

6) nominal area in sq mm = 200mm2

7) weight per unit length in pound per foot = 1.043lb/ft

8) mass per unit length in kilogram per meter = 1.556kg/m

**What size/diameter is number 6 rebar**

We are calculating the size of #6 rebar/number 6 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of number 6 rebar**

Size of #6 rebar is 0.750 inch or 19.05mm. We are calculating the size of #6 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #6 rebar = 6 × 1/8 inch = 3/4 inch = 0.75 inch, converting into mm which is equal to 19.05mm, their soft metric size is #19 (number 19 rebar), so size of #6 rebar is 0.750 inch or 19.05mm.

**How big is number 6 Rebar**

Number 6 bar/ #6 rebar is big as 0.750 inch or 19.05mm.W e are calculating how big is number 6 rebar/ #6 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #6 rebar = 6 × 1/8 inch = 3/4 inch = 0.750 inch, converting into mm which is equal to 19.05mm, their soft metric size is #19 (number 19 rebar), so number 6 bar/ #6 rebar is big as 0.750 inch or 19.05mm.

**Diameter of a number 6 rebar**

Diameter of a number 6 rebar/ #6 rebar is 0.750 inch or 19.05mm. We are calculating the diameter of a 6 rebar/ #6 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 6 rebar/ #6 rebar = 6 × 1/8 inch = 3/4 inch = 0.750 inch, converting into mm which is equal to 19.05mm, their soft metric size is #19 (number 19 rebar), so diameter of a number 6 rebar/ #6 rebar is 0.750 inch or 19.05mm.

**What is the diameter of #6 rebar**

Diameter of a number 6 rebar/ #6 rebar is 0.750 inch or 19.05mm. We are calculating the diameter of 6 rebar/ #6 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 6 rebar/ #6 rebar = 6 × 1/8 inch = 3/4 inch = 0.750 inch, converting into mm which is equal to 19.05mm, their soft metric size is #19 (number 19 rebar), so diameter of a number 6 rebar/ #6 rebar is 0.750 inch or 19.05mm.

**What size is number 6 rebar**

Size of number 6 bar/ #6 rebar is 0.750 inch or 19.05mm. We are calculating size of number 6 rebar/ #6 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #6 rebar = 6 × 1/8 inch =3/4 inch = 0.750 inch, converting into mm which is equal to 19.05mm, their soft metric size is #19 (number 19 rebar), so size of number 6 bar/ #6 rebar is 0.750 inch or 19.05mm.

**#6 rebar diameter**

The nominal diameter of #6 rebar or number 6 rebar is equal to 0.75 inches or 19.05 millimeters and their nominal area is about 0.44 square inches (284 mm2). Imperial size/ diameter of #6 rebar = 6 × 1/8 inch = 3/4″ or 0.75 inch or 19.05mm.

**Summary:-**

**Physical characteristics of imperial bar size #6/ number 6 rebar**

1) imperial bar size = #6

2) soft metric size = #19

3) nominal diameter in inch = 0.750inch

4) nominal diameter in mm = 19.05mm

5) nominal area in sq inch = 0.44 sq inch

6) nominal area in sq mm = 284mm2

7) weight per unit length in pound per foot = 1.502lb/ft

8) mass per unit length in kilogram per meter = 2.24kg/m.

**What size/diameter is number 7 rebar**

We are calculating the size of #7 rebar/number 7 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of #7 rebar**

Size of #7 rebar is 0.875 inch or 22.225mm. We are calculating the size of #7 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #7 rebar = 7 × 1/8 inch = 7/8 inch = 0.875 inch, converting into mm which is equal to 22.225mm, their soft metric size is #22 (number 22 rebar), so size of #7 rebar is 0.875 inch or 22.225mm.

**How big is number 7 Rebar**

Number 7 bar/ #7 rebar is big as 0.875 inch or 22.225mm. We are calculating how big is number 7 rebar/ #7 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #7 rebar = 7 × 1/8 inch = 7/8 inch = 0.875 inch, converting into mm which is equal to 22.225mm, their soft metric size is #22 (number 22 rebar), so number 7 bar/ #7 rebar is big as 0.875 inch or 22.225mm.

**Diameter of a number 7 rebar**

Diameter of a number 7 rebar/ #7 rebar is 0.875 inch or 22.225mm. We are calculating the diameter of a 7 rebar/ #7 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 7 rebar/ #7 rebar = 7 × 1/8 inch = 7/8 inch = 0.875 inch, converting into mm which is equal to 22.225mm, their soft metric size is #22 (number 22 rebar), so diameter of a number 7 rebar/ #7 rebar is 0.875 inch or 22.225mm.

**What is the diameter of #7 rebar**

Diameter of a number 7 rebar/ #7 rebar is 0.875 inch or 22.225mm. We are calculating the diameter of 7 rebar/ #7 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 7 rebar/ #7 rebar = 7 × 1/8 inch = 7/8 inch = 0.875 inch, converting into mm which is equal to 22.225mm, their soft metric size is #22 (number 22 rebar), so diameter of a number 7 rebar/ #7 rebar is 0.875 inch or 22.225mm.

**What size is number 7 rebar**

Size of number 7 bar/ #7 rebar is 0.875 inch or 22.225mm. We are calculating size of number 7 rebar/ #7 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #7 rebar = 7 × 1/8 inch =7/8 inch = 0.875 inch, converting into mm which is equal to 22.225mm, their soft metric size is #22 (number 22 rebar), so size of number 7 bar/ #7 rebar is 0.875 inch or 22.225mm.

**#7 rebar diameter**

The nominal diameter of #7 rebar or number 7 rebar is equal to 0.875 inches or 22.225 millimeters and their nominal area is about 0.60 square inches (387 mm2). Imperial size/ diameter of #7 rebar = 7 × 1/8 inch = 7/8″ or 0.875 inch or 22.225mm.

**Summary:-**

**Physical characteristics of imperial bar size #7/ number 7 rebar**

1) imperial bar size = #7

2) soft metric size = #22

3) nominal diameter in inch = 0.875inch

4) nominal diameter in mm = 22.225mm

5) nominal area in sq inch = 0.60 sq inch

6) nominal area in sq mm = 387mm2

7) weight per unit length in pound per foot = 2.044lb/ft

8) mass per unit length in kilogram per meter = 3.049kg/m.

**What size/diameter is number 8 rebar **

We are calculating the size of #8 rebar/number 8 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

**Size of #8 rebar**

Size of #8 rebar is 1.0 inch or 25.40mm. We are calculating the size of #8 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #8 rebar = 8 × 1/8 inch = 1.0 inch, converting into mm which is equal to 25.4 mm, their soft metric size is #25 (number 25 rebar), so size of #8 rebar is 1.0 inch or 25.40mm.

**How big is number 8 Rebar**

Number 8 bar/ #8 rebar is big as 1.0 inch or 25.4mm. We are calculating how big is number 8 rebar/ #8 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #8 rebar = 8 × 1/8 inch = 1.0 inch, converting into mm which is equal to 25.4mm, their soft metric size is #25 (number 25 rebar), so number 8 bar/ #8 rebar is big as 1.0 inch or 25.4mm.

**Diameter of a number 8 rebar**

Diameter of a number 8 rebar/ #8 rebar is 1.0 inch or 25.4mm. We are calculating the diameter of a 8 rebar/ #8 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 8 rebar/ #8 rebar = 8 × 1/8 inch = 1.0 inch, converting into mm which is equal to 25.4mm, their soft metric size is #25 (number 25 rebar), so diameter of a number 8 rebar/ #8 rebar is 1.0 inch or 25.4mm.

**What is the diameter of #8 rebar**

Diameter of a number 8 rebar/ #8 rebar is 1.0 inch or 25.4mm. We are calculating the diameter of 8 rebar/ #8 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 8 rebar/ #8 rebar = 8 × 1/8 inch =1.0 inch, converting into mm which is equal to 25.4mm, their soft metric size is #25 (number 25 rebar), so diameter of a number 8 rebar/ #8 rebar is 1.0 inch or 25.4mm.

**What size is number 8 rebar**

Size of number 8 bar/ #8 rebar is 1.0 inch or 25.4mm. We are calculating size of number 8 rebar/ #8 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #8 rebar = 8 × 1/8 inch = 1.0 inch, converting into mm which is equal to 25.4mm, their soft metric size is #25 (number 25 rebar), so size of number 8 bar/ #8 rebar is 1.0 inch or 25.4mm.

**#8 rebar diameter**

The nominal diameter of #8 or number 8 rebar equal to 1 inches or 25.4 millimeters and their nominal area is about 0.79 square inches (509 mm2). Imperial size/ diameter of #8 rebar = 8 × 1/8 inch = 1 inch or 25.4mm.

**Summary:-**

**Physical characteristics of imperial bar size #8/ number 8 rebar**

1) imperial bar size = #8

2) soft metric size = #25

3) nominal diameter in inch = 1.0inch

4) nominal diameter in mm = 25.4mm

5) nominal area in sq inch = 0.79 sq inch

6) nominal area in sq mm = 509mm2

7) weight per unit length in pound per foot = 2.67lb/ft

8) mass per unit length in kilogram per meter = 3.982kg/m.

**Diameter and size of #9 rebar (number 9 rebar)**

We are calculating the size of #9 rebar/number 9 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

Size of #9 rebar:- we are calculating the size of #9 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #9 rebar = 9 × 1/8 inch = 9/8 inch = 1.128 inch, converting into mm which is equal to 28.65mm, their soft metric size is #29 (number 29 rebar), so size of #9 rebar is 1.128 inch or 28.65mm.

How big is number 9 Rebar?:- we are calculating how big is number 9 rebar/ #9 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #9 rebar = 9 × 1/8 inch = 9/8 inch = 1.128 inch, converting into mm which is equal to 28.65mm, their soft metric size is #29 (number 29 rebar), so number 9 bar/ #9 rebar is big as 1.128 inch or 28.65mm.

Diameter of a number 9 rebar:- we are calculating the diameter of a 9 rebar/ #9 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 9 rebar/ #9 rebar = 9 × 1/8 inch = 9/8 inch = 1.128 inch, converting into mm which is equal to 28.65mm, their soft metric size is #29 (number 29 rebar), so diameter of a number 9 rebar/ #9 rebar is 1.128 inch or 28.65mm.

What is the diameter of #9 rebar?:- we are calculating the diameter of 9 rebar/ #9 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 9 rebar/ #9 rebar = 9 × 1/8 inch = 9/8 inch = 1.128 inch, converting into mm which is equal to 28.65mm, their soft metric size is #29 (number 29 rebar), so diameter of a number 9 rebar/ #9 rebar is 1.128 inch or 28.65mm.

What size is number 9 rebar?:- we are calculating size of number 9 rebar/ #9 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #9 rebar = 9 × 1/8 inch =9/8 inch = 1.128 inch, converting into mm which is equal to 28.65mm, their soft metric size is #29 (number 29 rebar), so size of number 9 bar/ #9 rebar is 1.128 inch or 28.65mm.

**Summary:-**

Physical characteristics of imperial bar size #9/ number 9 rebar

1) imperial bar size = #9

2) soft metric size = #29

3) nominal diameter in inch = 1.128inch

4) nominal diameter in mm = 28.65mm

5) nominal area in sq inch = 1.0 sq inch

6) nominal area in sq mm = 645mm2

7) weight per unit length in pound per foot = 3.40lb/ft

8) mass per unit length in kilogram per meter = 5.071kg/m.

**Diameter and size of #10 rebar (number 10 rebar)**

We are calculating the size of #10 rebar/number 10 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch.

Size of #10 rebar:- we are calculating the size of #10 rebar used in US based Imperial system, Imperial bar sizes gives the size/ diameter in units of 1/8 inch, using formula, imperial, size of #10 rebar = 10 × 1/8 inch = 5/4 inch = 1.25 inch, converting into mm which is equal to 31.75mm, their soft metric size is #32 (number 32 rebar), so size of #10 rebar is 1.25 inch or 31.75mm.

How big is number 10 Rebar?:- we are calculating how big is number 10 rebar/ #10 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #10 rebar = 10 × 1/8 inch = 5/4 inch = 1.25 inch, converting into mm which is equal to 31.75mm, their soft metric size is #32 (number 32 rebar), so number 10 bar/ #10 rebar is big as 1.25 inch or 31.75mm.

Diameter of a number 10 rebar:- we are calculating the diameter of a 10 rebar/ #10 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 10 rebar/ #10 rebar = 10 × 1/8 inch = 5/4 inch = 1.25 inch, converting into mm which is equal to 31.75mm, their soft metric size is #32 (number 32 rebar), so diameter of a number 10 rebar/ #10 rebar is 1.25 inch or 31.75mm.

What is the diameter of #10 rebar?:- we are calculating the diameter of 10 rebar/ #10 rebar used in US based Imperial system, Imperial bar sizes gives the diameter in units of 1/8 inch, using formula, imperial, diameter of a number 10 rebar/ #10 rebar = 10 × 1/8 inch = 5/4 inch = 1.25 inch, converting into mm which is equal to 31.75mm, their soft metric size is #32 (number 32 rebar), so diameter of a number 10 rebar/ #10 rebar is 1.25 inch or 31.75mm.

What size is number 10 rebar?:- we are calculating size of number 10 rebar/ #10 rebar used in US based Imperial system, Imperial bar sizes gives the sizes/diameter in units of 1/8 inch, using formula, imperial size of #10 rebar = 10 × 1/8 inch =5/4 inch = 1.25 inch, converting into mm which is equal to 31.75mm, their soft metric size is #32 (number 32 rebar), so size of number 10 bar/ #10 rebar is 1.25 inch or 31.75mm.

**Summary:-**

**Physical characteristics of imperial bar size #10/ number 10 rebar**

1) imperial bar size = #10

2) soft metric size = #32

3) nominal diameter in inch = 1.25inch

4) nominal diameter in mm = 31.75mm

5) nominal area in sq inch = 1.27 sq inch

6) nominal area in sq mm = 819mm2

7) weight per unit length in pound per foot = 4.303lb/ft

8) mass per unit length in kilogram per meter = 6.418kg/m.

**Conclusions:-**

The nominal size/diameter of #5 rebar is equal to 0.625 inches or 15.875 millimeters. The nominal size/diameter of #2 rebar is equal to 0.25 inches or 6.35 millimeters. The nominal size/diameter of #3 rebar is equal to 0.375 inches or 12.7 millimeters. The nominal size/diameter of #4 rebar is equal to 0.5 inches or 12.7 millimeters. The nominal size/diameter of #6 rebar is equal to 0.75 inches or 19.05 millimeters. The nominal size/diameter of #7 rebar is equal to 0.875 inches or 22.225 millimeters. The nominal size/diameter of #8 rebar is equal to 1 inches or 25.4 millimeters.