Cubic Yard Calculator
Calculate cubic yards quickly for concrete, gravel, soil, mulch, sand and landscaping projects. Enter your dimensions or convert another volume measurement to cubic yards.
1 cubic yard = 27 cubic feet.
What Is a Cubic Yard?
A cubic yard is a unit used to measure volume. It is commonly used for materials such as concrete, gravel, soil, mulch, sand and landscaping materials.
One cubic yard equals 27 cubic feet. This makes the cubic yard calculator especially useful when ordering bulk materials for construction and landscaping projects.
How to Calculate Cubic Yards
To calculate cubic yards, multiply the length, width and depth of an area in feet, then divide the result by 27.
Cubic Yards = Length × Width × Depth ÷ 27
For example, an area that is 10 feet long, 10 feet wide and 3 feet deep contains:
10 × 10 × 3 = 300 cubic feet
Then:
300 ÷ 27 = 11.11 cubic yards
Therefore, the estimated volume is 11.11 cubic yards.
How to Calculate Cubic Yards from Square Feet
Square feet measure area, while cubic yards measure volume. To convert square feet to cubic yards, you also need to know the depth of the material.
Use this formula:
Cubic Yards = Square Feet × Depth in Feet ÷ 27
For example, if you have 1,000 square feet and want to add 3 inches of material:
3 inches ÷ 12 = 0.25 feet
1,000 × 0.25 ÷ 27 = 9.26 cubic yards
How to Calculate Cubic Yards of Concrete
To calculate the amount of concrete required, measure the length, width and thickness of the concrete area.
If your measurements are in feet, use:
Cubic Yards of Concrete = Length × Width × Thickness ÷ 27
If thickness is measured in inches, divide the thickness by 12 before calculating.
For example, a 20-foot by 10-foot slab with a 4-inch thickness has an approximate volume of:
20 × 10 × (4 ÷ 12) ÷ 27 = 2.47 cubic yards
Cubic Yard Calculator for Gravel, Soil and Mulch
This cubic yard calculator can also be used to estimate gravel, soil, mulch and other landscaping materials.
Measure the length and width of the area and determine how deep you want the material to be. Convert the depth to feet and use the calculator above.
When ordering materials, consider adding a small amount for settling, uneven surfaces and waste. The exact amount required can vary depending on the material and project conditions.
Cubic Feet to Cubic Yards
If you already know the volume in cubic feet, converting to cubic yards is simple.
Cubic Yards = Cubic Feet ÷ 27
For example:
- 27 cubic feet = 1 cubic yard
- 54 cubic feet = 2 cubic yards
- 81 cubic feet = 3 cubic yards
- 270 cubic feet = 10 cubic yards
Cubic Yards to Cubic Feet
To convert cubic yards to cubic feet, multiply the number of cubic yards by 27.
Cubic Feet = Cubic Yards × 27
For example, 5 cubic yards equals:
5 × 27 = 135 cubic feet
Frequently Asked Questions About Cubic Yards
How do you calculate cubic yards?
Multiply the length, width and depth in feet, then divide the result by 27. The formula is Length × Width × Depth ÷ 27.
How do you calculate a cubic yard?
Measure the length, width and depth of the area in feet. Multiply the three measurements and divide the result by 27 to find the number of cubic yards.
How many cubic feet are in one cubic yard?
There are 27 cubic feet in one cubic yard.
How do you calculate cubic yards from square feet?
Multiply the square footage by the depth in feet and divide the result by 27. Depth is required because square feet measure area while cubic yards measure volume.
How do you calculate cubic yards of concrete?
Multiply the length, width and thickness of the concrete area in feet, then divide by 27. Convert inches to feet by dividing the measurement by 12.
How many cubic yards of gravel do I need?
The amount depends on the area and depth. Measure the length and width of the area and choose the desired gravel depth. Then use the calculator above to estimate the cubic yards required.
Can I use this cubic yard calculator for soil and mulch?
Yes. The calculator can estimate the volume of soil, mulch, gravel, sand and other materials when you know the dimensions of the area.
What is the formula for cubic yards?
The standard formula is Length × Width × Depth ÷ 27 when all three measurements are in feet.
Note: This calculator provides an estimate of volume. Actual material requirements can vary because of waste, compaction, settling, irregular shapes and project conditions.
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