**Weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per foot** | weight of number 3 rebar per foot | weight of number 4 rebar per foot | weight of number 5 rebar per foot | weight of number 6 rebar per foot | weight of number 8 rebar per foot | weight of number 10 rebar per feet | rebar weight per foot

**What is rebar/ reinforcing bar?**

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 tensile strength of concrete structure.

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Reinforcing bar/rebar surface is often deformed with ribs to promote a better bonding with concrete material and reduce the risk of slippage. The most common Reinforcing bar/rebar is carbon steel of hot rolled round bar with the deformation patterns, the Steel rebar may be also coated with epoxy resin material, design to resist effect of corrosion mostly in saltwater environment.

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. First remember that rebar is measured differentially in United States and Europe. while the United states, it uses the Imperial measurement system. Europe and most of rest of world uses the metric system.

In this article we briefly explain “what is the weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per foot” based on Imperial measurement system. This will help to viewers in better understanding and it is easy to choose the most suitable rebar you wanted according to requirement.

**Imperial rebar size/ Reinforcing bar size**

US/ imperial rebar sizes gives the diameter in units of 1/8 inch (3.2mm), for bar sizes #2 to #10 we use this formula, for example size of number 2 (#2) rebar is of 1/8 inch in metric system measurement, such that 2×1/8 inch = 0.25 inch or 6mm.

**Size of #2.5 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 2.5 rebar, also read as No. 2.5 rebar or #2.5 rebar. size of number 2.5 (#2.5) rebar is of 1/8 inch in metric system measurement, such that 2.5×1/8 inch = 0.3125 inch or 8mm.

**Size of #3 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 3 rebar, also read as No. 3 rebar or #3 rebar. size of number 3 (#3) rebar is of 1/8 inch in metric system measurement, such that 3×1/8 inch = 3/8 inch or 10mm, therefore size of number 3 rebar in metric system is about 10mm.

**Size of #4 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 4 rebar, also read as No. 4 rebar or #4 rebar. size of number 4 (#4) rebar is of 1/8 inch in metric system measurement, such that 4×1/8 inch = 1/2 inch or 12mm, therefore size of number 4 rebar in metric system is about 12mm.

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**Size of #5 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 5 rebar, also read as No. 5 rebar or #5 rebar. size of number 5 (#5) rebar is of 1/8 inch in metric system measurement, such that 5×1/8 inch = 5/8 inch or 16mm, therefore size of number 6 rebar in metric system is about 16mm.

**Size of #6 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 6 rebar, also read as No. 6 rebar or #6 rebar. size of number 6 (#6) rebar is of 1/8 inch in metric system measurement, such that 6×1/8 inch = 3/4 inch or 20mm, therefore size of number 6 rebar in metric system is about 20mm.

**Size of #7 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 7 rebar, also read as No. 7 rebar or #7 rebar. size of number 7 (#7) rebar is of 1/8 inch in metric system measurement, such that 7×1/8 inch = 7/8 inch or 22mm, therefore size of number 7 rebar in metric system is about 22mm.

**Size of #8 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 8 rebar, also read as No. 8 rebar or #8 rebar. size of number 8 (#8) rebar is of 1/8 inch in metric system measurement, such that 8×1/8 inch = 1 inch or 25mm, therefore size of number 8 rebar in metric system is about 25mm.

**ALSO READ :-**

**Rod weight per bundle: 12mm, 10mm, 8mm, 16mm, 20mm & 25mm steel bar**

**Rod weight per piece: 12mm, 10mm, 8mm, 16mm, 20mm & 25mm steel bar**

**Rod weight per meter: 12mm, 10mm, 8mm, 16mm, 20mm & 25mm steel bar**

**Weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per foot**

**Weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per meter**

**Weight of #2, #3, #4, #5, #6, #7, #8, #9 and #10 US/ imperial rebar**

**Weight of 10M, 15M, 20M, 25M, 30M, 35M, 45M, 55M Canadian rebar**

**Size of #9 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 9 rebar, also read as No. 9 rebar or #9 rebar. size of number 9 (#9) rebar is of 1/8 inch in metric system measurement, such that 9×1/8 inch = 9/8 inch or 29mm, therefore size of number 9 rebar in metric system is about 29mm.

**Size of #10 rebar/ reinforcing bar**

US/ Imperial steel rebar/ reinforcing bar available in size number 10 rebar, also read as No. 10 rebar or #10 rebar. size of number 10 (#10) rebar is of 1/8 inch in metric system measurement, such that 10×1/8 inch = 5/4 inch or 32mm, therefore size of number 10 rebar in metric system is about 32mm.

It is also available in number 11, 14 and 18 rebar, it will be also customise according to requirement of customers.

**What is the weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per foot**

The size of the rebar/ Reinforcing bar used in construction work in number 3 rebar (10mm), number 4 rebar (12mm), number 5 rebar (16mm), number 6 rebar (20mm), number 8 rebar (25mm), number 9 rebar (28mm) and number 10 rebar (32mm).

**Weight of rebar per foot/ rebar weight per foot/ rebar weights per foot**

**Rebar weight**:- weight of number 2.5 rebar/ reinforcing bar or 8 mm rebar will 0.265 lbs per foot, for #3 rebar it will be 0.376 lbs, for #4 rebar it will be 0.668 lbs, for #5 rebar it will be 1.043 lbs, for #6 rebar it will be 1.502 lbs, for #7 rebar it will be 2.044 lbs, for #8 rebar it will be 2.670 lbs, for #9 rebar it will be 3.40 lbs and for #10 rebar it will be 4.303 lbs/ foot.

**Rebar weight per foot**:- weight of number 2.5 rebar/ reinforcing bar will 0.265 lbs per foot, #3 rebar will be 0.376 lbs, #4 rebar will be 0.668 lbs, #5 rebar will be 1.043 lbs, #6 rebar will be 1.502 lbs, #7 rebar will be 2.044 lbs, #8 rebar will be 2.670 lbs, #9 rebar will be 3.40 lbs and #10 rebar will be 4.303 lbs per foot.

**Weight rebar per foot**:- Weight of #4 rebar will be 0.668 lbs per foot, #2.5 rebar/ reinforcing bar will 0.265 lbs per foot, #3 rebar will be 0.376 lbs per foot, #5 rebar will be 1.043 lbs per foot, #6 rebar will be 1.502 lbs per foot, #7 rebar will be 2.044 lbs per foot, #8 rebar will be 2.670 lbs per foot, #9 rebar will be 3.40 lbs per foot and #10 rebar will be 4.303 lbs per foot.

**Formula for rebar weight calculation**

To find the weight of rebar/reinforcing bar per foot in length you have to just apply a simple formula – (Diameter)*(Diameter) / 533 Kg/foot or D^2/533, where D is diameter of rebar in mm.

**Weight of #2.5 rebar per foot**

**#2.5 rebar weight per foot**:- weight of number 2.5 rebar/ reinforcing bar or 8 mm rebar per foot will be 0.265 pounds or which is approximately equal as 0.12 kg/foot (8×8)/ 533 = 0.12 kg/ foot).

**Weight of #3 rebar per foot**

**#3 rebar weight per foot:-** weight of number 3 rebar (#3)/ reinforcing bar or 3/8″ (10 mm) rebar per foot will be 0.376 pounds or which is approximately equal as 0.1876 kg/foot (10×10)/ 533 = 0.1876 kg/ foot).

**Weight of #4 rebar per foot**

**#4 rebar weight per foot:-** weight of number 4 rebar (#4)/ reinforcing bar or 1/2″ (12 mm) rebar per foot will be 0.668 pounds or which is approximately equal as 0.270 kg/foot {(12×12)/ 533 = 0.270 kg/ foot)}.

**Weight of #5 rebar per foot**

**#5 rebar weight per foot:-** weight of number 5 rebar (#5)/ reinforcing bar or 5/8″ (16 mm) rebar per foot will be 1.043 pounds or which is approximately equal as 0.48 kg/foot {(16×16)/ 533 = 0.48 kg/ foot)}.

**Weight of #6 rebar per foot**

**#6 rebar weight per foot:-** weight of number 6 rebar (#6)/ reinforcing bar or 3/4″ (20 mm) rebar per foot will be 1.502 pounds or which is approximately equal as 0.75 kg/foot {(20×20)/ 533 = 0.75 kg/ foot)}.

**Weight of #7 rebar per foot**

**#7 rebar weight per foot:-** weight of number 7 (#7) rebar/ reinforcing bar or 22 mm rebar per foot will be (22×22)/533 = 0.908 kg/ foot or when it measured in pounds, then it will be 2.044 lbs/foot.

**Weight of #8 rebar per foot**

**#8 rebar weight per foot:-** weight of number 8 (#8) rebar/ reinforcing bar or 25 mm rebar per foot will be (25×25)/533= 1.173kg/ foot or when it measured in pounds, then it will be 2.670 lbs/foot.

**Weight of #9 rebar per foot**

**#9 rebar weight per foot:-** weight of number 9 (#9) rebar/ reinforcing bar or 28mm rebar per foot will be (28×28)/533 = 1.47 kg/foot or when it measured in pounds, then it will be 3.40 lbs/foot.

**Weight of #10 rebar per foot**

**#10 rebar weight per foot:-** weight of number 10 (#10) or 32 mm rebar/ reinforcing bar per foot will be (32×32)/533 = 1.92 kg/ foot or when it measured in pounds, then it will be 4.303 lbs/foot.

Weight of number 11 (#11) rebar or 36 mm rebar per foot will be (36×36)/ 533= 2.43 kg/ foot or when it measured in pounds, then it will be 5.313 lbs/foot.

**ALSO READ :-**

**Rod weight per bundle: 12mm, 10mm, 8mm, 16mm, 20mm & 25mm steel bar**

**Rod weight per piece: 12mm, 10mm, 8mm, 16mm, 20mm & 25mm steel bar**

**Rod weight per meter: 12mm, 10mm, 8mm, 16mm, 20mm & 25mm steel bar**

**Weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per foot**

**Weight of number 3, 4, 5, 6, 7, 8, 9 & 10 rebar per meter**

**Weight of #2, #3, #4, #5, #6, #7, #8, #9 and #10 US/ imperial rebar**

**Weight of 10M, 15M, 20M, 25M, 30M, 35M, 45M, 55M Canadian rebar**

**Unit weight of rebar in kg/ft**

Unit weight of rebar is defined as mass per unit length, if weight reinforcing bar/ rebar measured in Kilogram per foot known as Unit weight of rebar in kg/ ft.

Unit Weight of 8mm rebar is 0.12kg/foot, for 10mm rebar, it could be 0.1876kg/foot, for 12mm rebar, it could be 0.27kg/ft, for 16mm rebar, it could be 0.48kg/ft, for 20mm rebar, it could be 0.75kg/ foot, for 22mm rebar, it could be 0.90kg/ ft, for 25mm rebar, it could be 1.173kg/ foot, for 28mm rebar, it could be 1.47kg/ foot, for 32mm rebar, it could be 1.92kg/ foot and unit weight for 36mm rebar, it could be 2.43 kg/foot.

**Unit weight of rebar in lb/ft**

Unit weight of rebar is defined as mass per unit length, if weight reinforcing bar/ rebar measured in pounds per foot known as Unit weight of rebar in lb/ ft.

Unit Weight of 8mm or #2.5 rebar is 0.265lb/foot, for 10mm or #3 rebar, it could be 0.376lb/foot, for 12mm or #4 rebar, it could be 0.668lb/ft, for 16mm or #5 rebar, it could be 1.043lb/ft, for 20mm or #6 rebar, it could be 1.502lb/ foot, for 22mm or #7 rebar, it could be 2.044lb/ ft, for 25mm or #8 rebar, it could be 2.67lb/ foot, for 28mm or #9 rebar, it could be 3.40lb/ foot, for 32mm or #10 rebar, it could be 4.303lb/ foot and unit weight for 36mm or #11 rebar, it could be 5.313lb/foot.

**20 feet rebar weight**

**30 feet rebar weight**

**40 feet rebar weight**

**60 feet rebar weight**

**Physical characteristics of rebar**

**Physical characteristics of #4 rebar**

● Imperial bar size – #4 or 1/2″

● soft metric size – #13 or 13mm

● #4 rebar weight per foot – 0.668 lbs/ft

● #4 rebar weight per meter – 0.996 kg/m

● nominal diameter – 1/2″ or 12.7mm

● nominal area – 0.2 sq inches (129mm2)

● 20 ft rebar weight – 13.36 lbs

● 30 ft rebar weight – 20.04 lbs

● 40 ft rebar weight – 26.72 lbs

● 60 ft rebar weight – 40.08 lbs

● weight per unit length – 0.668 lb/ft (0.996 kg/m).

● 20 ft pieces per ton – 149.7

● 30 ft pieces per ton – 99.8

● 40 ft pieces per ton – 74.9

● 60 ft pieces per ton – 49.9

**Physical characteristics of #3 rebar**

● Imperial bar size – #3 or 3/8″

● soft metric size – #10 or 10mm

● #4 rebar weight per foot – 0.376 lbs/ft

● #4 rebar weight per meter – 0.559 kg/m

● nominal diameter – 3/8″ or 9.525mm

● nominal area – 0.11 sq inches (71mm2)

● 20 ft rebar weight – 7.52 lbs

● 30 ft rebar weight – 11.28 lbs

● 40 ft rebar weight – 15.04 lbs

● 60 ft rebar weight – 22.56 lbs

● weight per unit length – 0.376 lb/ft (0.559 kg/m)

● 20 ft pieces per ton – 266

● 30 ft pieces per ton – 177.3

● 40 ft pieces per ton – 133

● 60 ft pieces per ton – 88.7

**Physical characteristics of #5 rebar**

● Imperial bar size – #5 or 5/8″

● soft metric size – #16 or 16mm

● #4 rebar weight per foot – 1.043 lbs/ft

● #4 rebar weight per meter – 1.55 kg/m

● nominal diameter – 5/8″ or 15.875mm

● nominal area – 0.39 sq inches (252mm2)

● 20 ft rebar weight – 20.86 lbs

● 30 ft rebar weight – 31.29 lbs

● 40 ft rebar weight – 41.72 lbs

● 60 ft rebar weight – 62.58 lbs

● weight per unit length – 1.043 lb/ft (1.55 kg/m)

● 20 ft pieces per ton – 95.9

● 30 ft pieces per ton – 63.9

● 40 ft pieces per ton – 47.9

● 60 ft pieces per ton – 32

**Physical characteristics of #6 rebar**

● Imperial bar size – #6 or 3/4″

● soft metric size – #19 or 19mm

● #4 rebar weight per foot – 1.502 lbs/ft

● #4 rebar weight per meter – 2.234 kg/m

● nominal diameter – 3/4″ or 19.05mm

● nominal area – 0.44 sq inches (285mm2)

● 20 ft rebar weight – 30.04 lbs

● 30 ft rebar weight – 45.06 lbs

● 40 ft rebar weight – 60.08 lbs

● 60 ft rebar weight – 90.12 lbs

● weight per unit length – 1.502 lb/ft (2.234 kg/m)

● 20 ft pieces per ton – 66.6

● 30 ft pieces per ton – 44.4

● 40 ft pieces per ton – 33.3

● 60 ft pieces per ton – 22.2

**Physical characteristics of #7 rebar**

● Imperial bar size – #7 or 7/8″

● soft metric size – #22 or 22mm

● #4 rebar weight per foot – 2.044 lbs/ft

● #4 rebar weight per meter – 3.04 kg/m

● nominal diameter – 7/8″ or 22.225mm

● nominal area – 0.765 sq inches (494mm2)

● 20 ft rebar weight – 40.88 lbs

● 30 ft rebar weight – 61.32 lbs

● 40 ft rebar weight – 81.76 lbs

● 60 ft rebar weight – 122.64 lbs

● weight per unit length – 2.044 lb/ft (3.04 kg/m)

● 20 ft pieces per ton – 48.9

● 30 ft pieces per ton – 32.6

● 40 ft pieces per ton – 24.5

● 60 ft pieces per ton – 16.3

**Physical characteristics of #8 rebar**

● Imperial bar size – #8 or 1″

● soft metric size – #25 or 25mm

● #4 rebar weight per foot – 2.67 lbs/ft

● #4 rebar weight per meter – 3.97 kg/m

● nominal diameter – 1″ or 25mm

● nominal area – 1 sq inches (645.16mm2)

● 20 ft rebar weight – 53.40 lbs

● 30 ft rebar weight – 80.10 lbs

● 40 ft rebar weight – 106.80 lbs

● 60 ft rebar weight – 160.20 lbs

● weight per unit length – 2.67 lb/ft (3.97 kg/m)

● 20 ft pieces per ton – 37.5

● 30 ft pieces per ton – 25

● 40 ft pieces per ton – 18.7

● 60 ft pieces per ton – 12.5

**Conclusion:-**

Weight of number or #2.5 rebar/ reinforcing bar will 0.265 lbs per foot, #3 rebar will be 0.376 lbs, #4 rebar will be 0.668 lbs, #5 rebar will be 1.043 lbs, #6 rebar will be 1.502 lbs, #7 rebar will be 2.044 lbs, #8 rebar will be 2.670 lbs, #9 rebar will be 3.40 lbs and #10 rebar will be 4.303 lbs per foot.