Cubic Yard Calculator
Find how many cubic yards of soil, gravel, mulch or concrete you need from length, width and depth or from an area, with a price estimate.
Change the values and press Calculate to work out your own figures.
Length, width and height
Enter the three dimensions.
Show the working
- volume = length × width × height
Area and depth
Enter the area and its depth.
Show the working
- volume = area × depth
How to use it
Enter the three dimensions. Enter the area and its depth.
Lengths can be decimals, fractions or tape entries such as 12' 6 1/2" (in feet or inches). Prices are optional.
Key facts
cubic yards = length × width × depth (in feet) ÷ 27
Units
A cubic yard is 27 cubic feet, a cubic foot 1,728 cubic inches, and a cubic meter about 35.31 cubic feet. Lengths can be typed as tape readings such as 12' 6".
What a cubic yard covers
One cubic yard covers about 324 sq ft at 1 inch, 162 at 2, 108 at 3, 81 at 4 and 54 at 6 inches deep.
Questions
How many cubic yards is 12 × 14 ft at 9 in deep?
4.6667 cubic yards.
How much does a cubic yard cover at 6 inches?
54 square feet.
Formulas
cubic yards = length × width × depth (in feet) ÷ 27
Sources
Limitations
- Material densities are typical values (the midpoint of the commonly published range); real loads vary with moisture, grading and compaction, so check with your supplier or type in their density.
- Tank results are the geometric volume; real tanks have wall thickness and fittings.