# How to figure yards, cubic feet or bag of dirt

How to figure yards, cubic feet or bag of dirt | how to calculate yards of dirt | how much dirt do i need for a 4×4 raised bed | what is yards of dirt | yards of dirt formula |

Are you building a raised garden bed to plant your vegetable garden?, Are you trying to figure out how many bags of soil to buy to fill your raised garden bed? Instead of manually doing the maths yourself to calculate how many bags of soil or dirt you need for your raised garden bed, I have made it easy for you.

Dirt or soil used for the plants that are grown in soil can be used for food, clothing, recreation, aesthetics, building materials, medicines, etc. It has vital nutrients for plants. Dirt is an important part of the building process. Clay soil is used in making pottery. Soil is used in wastewater treatment plants.

When estimating the amount of dirt you need to cover your raised bed or landscaping projects, your required dirt quantity will depend on the type of soil you choose, like loosed, or compact dirt or compost. The volume of dirt must also be calculated according to the work. Choose the dirt you’d like to use before to fill the depth of your raised bed or landscaping projects, and then figure out how much you will need by using simple calculations.

Depth of landfill is taken as 2 to 4 inches thick, and thickness for raised garden bed is about 8 inches high which are good for plant growing. Bags of soil are commonly sold in 0.75 cubic feet bags, 1 cubic feet bags, or 1.5 cubic feet bags.

Dirt or soil is a common material to use for a raised bed for plant vegetable garden because it offers a many nutrients to grow, clean look, is resistant to weeds, is affordable, is easy to maintain, and is easy to install. Dirt is commonly sold by the cubic yard, cubic feet , or bagged soil, so to find the amount of soil needed for a raised bed, you need to find the volume in cubic feet. If you want to landfill, then you need to find the volume in yards.

What is a yard of dirt?, A cubic yard of dirt or soil look likes 3 feet long by 3 feet wide and by 3 feet height, which is equal as 27 cubic feet when you multiply length by width by height= 3’×3’×3′ = 27 cubic feet.

## Yards of Dirt calculation formula

A cubic yard of dirt or soil, which visually is 3 feet long by 3 feet wide and by 3 feet height, which is equal as 27 cubic feet when multiply length by width by height= 3’×3’×3′ = 27 cubic feet.

Yards of dirt calculation formula:- multiply the length by the width to determine square footage. Convert the thickness from inches to feet. Multiply the thickness in feet by the square footage to determine cubic feet. Convert cubic feet to cubic yards by multiplying by 0.037. This is dirt calculation formula.

### How to calculate yards of dirt for landfill

To calculate amount of yards of dirt for landfill:- measure the all dimensions of landfill in feet, then multiply length by width to get square footage, and then square footage multiply by thickness in feet, and multiply the resulting number by 0.037 to find cubic yards of dirt.

For example:- if your landfill is 10 foot long by 10 foot wide by 4″ high, you do the following calculation:- 1) 4″ deep in feet = 4÷12 = 0.33 feet, 2) dirt quantity in cubic feet = 10’×10’×0.33′ = 33 cubic feet, 3) dirt quantity in yards = 33÷27 = 1.22 yards, and 3) dirt quantity in tons = 1.22×1.1 = 1.34 tons. Thus, you will need approximately 1.22 yards or 1.34 ton of dirt for 100 foot landfill at 4″ deep.

### How to figure yards of dirt

To figure amount of yards of dirt or soil:- measure the all dimensions of raised bed in feet, then multiply length by width to get square footage, and then square footage multiply by thickness in feet to get cubic feet, and multiply the resulting number by 0.037 to find cubic yards of dirt.

Cubic yards of dirt formula = Cubic feet of Soil × 0.037, or Cubic feet of Soil ÷ 27.

### How to figure cubic feet of dirt

To figure amount of cubic feet of dirt or soil:- measure the all dimensions of raised bed in feet, then multiply length by width to get square footage, and then square footage multiply by thickness in feet to get cubic feet. This is your required cubic feet of soil.

Cubic feet of Soil formula = Length (in ft) × Width (in ft) × Thickness (in ft).

For example:- To figure the cubic feet of dirt or soil for a 4×4 raised bed.

1) Convert thickness of raised bed in feet- 8 inches thickness in feet = 8÷12 = 0.66 feet

2) Measure the square footage by multiplying length by width, 4’×4′ = 16 square footage

3) Multiply the square footage by thickness in feet = 16× 0.66 = 10.56 cubic feet

4) Divide the resulting cubic feet by bag size to find number of bags of soil, such as 10.56÷ 0.75 = 14 bags of 0.75 cubic feet.

For a 4×4 raised garden bed, you will need 14 bags of soil (0.75 cubic feet per bag) or 10.56 cubic feet of soil. This is assuming your raised garden bed is 8 inches high and the bags of soil you are buying contains 0.75 cubic feet of soil per bag.

### How to figure bags of soil

To figure bags of dirt or soil:- measure the all dimensions of raised bed in feet, then multiply length by width to get square footage, and then square footage multiply by thickness in feet to get cubic feet, then divide the resulting cubic feet by bag size (0.75 cubic feet, 1 cubic feet, or 1.5 cubic feet) to find number of bags of soil.

Bags of Soil formula = Cubic feet of required soil ÷ Dirt bag size in feet.

For example:- To figure the bags of dirt or soil for a 4×8 raised bed.

1) Convert thickness of raised bed in feet- 8 inches thickness in feet = 8÷12 = 0.66 feet

2) Measure the square footage by multiplying length by width, 4’×8′ = 32 square footage

3) Multiply the square footage by thickness in feet = 32× 0.66 = 21.12 cubic feet

4) Divide the resulting cubic feet by bag size to find number of bags of soil, such as 21.12÷ 1.5 = 14 bags of 1.5 cubic feet.

For a 4×8 raised garden bed, you will need 14 bags of soil (1.5 cubic feet per bag) or 21.12 cubic feet of soil. This is assuming your raised garden bed is 8 inches high and the bags of soil you are buying contains 1.5 cubic feet of soil per bag.

### How many bags of soil do i need for a 4×6 raised bed

To figure the bags of dirt or soil required for a 4×6 raised bed are following:-

1) Convert thickness of raised bed in feet- 8 inches thickness in feet = 8÷12 = 0.66 feet

2) Measure the square footage by multiplying length by width, 4’×6′ = 24 square footage

3) Multiply the square footage by thickness in feet = 24× 0.66 = 15.84 cubic feet

4) Divide the resulting cubic feet by bag size to find number of bags of soil, such as 15.84÷ 1.5 = 11 bags of 1.5 cubic feet.

For a 4×6 raised garden bed, you will need 11 bags of soil (1.5 cubic feet per bag) or 15.84 cubic feet of soil. This is assuming your raised garden bed is 8 inches high and the bags of soil you are buying contains 1.5 cubic feet of soil per bag.

### How many bags of soil do i need for a 4×2 raised bed

To figure the bags of dirt or soil required for a 4×2 raised bed are following:-

1) Convert thickness of raised bed in feet- 8 inches thickness in feet = 8÷12 = 0.66 feet

2) Measure the square footage by multiplying length by width, 4’×2′ = 8 square footage

3) Multiply the square footage by thickness in feet = 8× 0.66 = 5.28 cubic feet

4) Divide the resulting cubic feet by bag size to find number of bags of soil, such as 5.28÷ 1.5 = 4 bags of 1.5 cubic feet.

For a 4×2 raised garden bed, you will need 4 bags of soil (1.5 cubic feet per bag) or 5.28 cubic feet of soil. This is assuming your raised garden bed is 8 inches high and the bags of soil you are buying contains 1.5 cubic feet of soil per bag.

### How many bags of soil do i need for a 3×6 raised bed

To figure the bags of dirt or soil required for a 3×6 raised bed are following:-

1) Convert thickness of raised bed in feet- 8 inches thickness in feet = 8÷12 = 0.66 feet

2) Measure the square footage by multiplying length by width, 3’×6′ = 18 square footage

3) Multiply the square footage by thickness in feet = 18× 0.66 = 11.28 cubic feet

4) Divide the resulting cubic feet by bag size to find number of bags of soil, such as 11.28÷ 1.5 = 8 bags of 1.5 cubic feet.

For a 3×6 raised garden bed, you will need 8 bags of soil (1.5 cubic feet per bag) or 11.28 cubic feet of soil. This is assuming your raised garden bed is 8 inches high and the bags of soil you are buying contains 1.5 cubic feet of soil per bag.

#### How many bags of soil for 32 cubic feet

You will need approximately either 43 bags of soil (0.75 cubic feet per bag), or 22 bags of soil (1.5 cubic feet per bag), or 32 bags of soil (1 cubic feet per bag) for 32 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 32 ÷ 1.5 = 22 bags

● No. of 1 Cubic feet bags of soil = 32 ÷ 1 = 32 bags

● No. of 0.75 Cubic feet bags of soil = 32 ÷ 0.75 = 43 bags.

#### How many bags of soil for 25 cubic feet

You will need approximately either 34 bags of soil (0.75 cubic feet per bag), or 17 bags of soil (1.5 cubic feet per bag), or 25 bags of soil (1 cubic feet per bag) for 25 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 25 ÷ 1.5 = 17 bags

● No. of 1 Cubic feet bags of soil = 25 ÷ 1 = 25 bags

● No. of 0.75 Cubic feet bags of soil = 25 ÷ 0.75 = 34 bags.

#### How many bags of soil for 15 cubic feet

You will need approximately either 20 bags of soil (0.75 cubic feet per bag), or 10 bags of soil (1.5 cubic feet per bag), or 15 bags of soil (1 cubic feet per bag) for 15 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 15 ÷ 1.5 = 10 bags

● No. of 1 Cubic feet bags of soil = 15 ÷ 1 = 10 bags

● No. of 0.75 Cubic feet bags of soil = 15 ÷ 0.75 = 20 bags.

#### How many bags of soil for 27 cubic feet

You will need approximately either 36 bags of soil (0.75 cubic feet per bag), or 18 bags of soil (1.5 cubic feet per bag), or 27 bags of soil (1 cubic feet per bag) for 27 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 27 ÷ 1.5 = 36 bags

● No. of 1 Cubic feet bags of soil = 27 ÷ 1 = 27 bags

● No. of 0.75 Cubic feet bags of soil = 27 ÷ 0.75 = 36 bags.

#### How many bags of soil for 40 cubic feet

You will need approximately either 54 bags of soil (0.75 cubic feet per bag), or 27 bags of soil (1.5 cubic feet per bag), or 40 bags of soil (1 cubic feet per bag) for 40 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 40 ÷ 1.5 = 27 bags

● No. of 1 Cubic feet bags of soil = 40 ÷ 1 = 40 bags

● No. of 0.75 Cubic feet bags of soil = 4p ÷ 0.75 = 54 bags.

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#### How many bags of soil for 12 cubic feet

You will need approximately either 16 bags of soil (0.75 cubic feet per bag), or 8 bags of soil (1.5 cubic feet per bag), or 12 bags of soil (1 cubic feet per bag) for 12 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 12 ÷ 1.5 = 8 bags

● No. of 1 Cubic feet bags of soil = 12 ÷ 1 = 12 bags

● No. of 0.75 Cubic feet bags of soil = 12 ÷ 0.75 = 16 bags.

#### How many bags of soil for 8 cubic feet

You will need approximately either 12 bags of soil (0.75 cubic feet per bag), or 6 bags of soil (1.5 cubic feet per bag), or 8 bags of soil (1 cubic feet per bag) for 8 cubic feet. This is assuming the bags of soil you are buying contains 0.75, or 1, or 1.5 cubic feet of soil per bag.

● No. of 1.5 Cubic feet bags of soil = 8 ÷ 1.5 = 6 bags

● No. of 1 Cubic feet bags of soil = 8 ÷ 1 = 8 bags

● No. of 0.75 Cubic feet bags of soil = 8 ÷ 0.75 = 12 bags.

Conclusions:-

To figure amount of yards of dirt:- measure the all dimensions of landscaping projects in feet, then multiply length by width to get square footage, and then square footage multiply by thickness in feet to get cubic feet, and divide the resulting number by 27 to find cubic yards of dirt.