Cubic Yards Calculator
Calculate cubic yards for mulch, gravel, topsoil, sand, and concrete projects. Get instant conversions to cubic feet and tons.
Last updated: January 25, 2026
Enter Your Measurements
ft
ft
Typical: Mulch 2-4 in, Gravel 4-6 in, Concrete 4 in
ft
How to Use This Calculator
1
Choose Unit & Shape
Select your measurement unit and the shape of your area (rectangle, circle, or triangle).
2
Enter Dimensions
Input length, width, and depth. The calculator converts to cubic yards automatically.
3
Get Material Estimates
View cubic yards, cubic feet, tons, and bags needed for your project.
How We Calculate
Rectangle
Volume = (L × W × D) ÷ 27 Example: (10 × 12 × 0.33) ÷ 27 = 1.48 cu yd
Circle
Volume = (π × r² × D) ÷ 27 Example: (π × 5² × 0.33) ÷ 27 = 0.96 cu yd
Triangle
Volume = ((B × H ÷ 2) × D) ÷ 27 Example: ((10 × 8 ÷ 2) × 0.33) ÷ 27 = 0.49 cu yd
Key Conversions
- • 1 cubic yard = 27 cubic feet
- • 1 cubic yard = 0.765 cubic meters
- • 1 cubic yard of gravel ≈ 1.4 tons
- • 1 cubic yard of mulch ≈ 13.5 bags (2 cu ft each)