20 ft x 10 ft x 3 in
- Cubic feet
- 52.5
- Waste added
- 5%
- Cubic feet per yard
- 27
Cubic Yard Calculator
Use this free cubic yard calculator to estimate cubic feet and cubic yards from rectangular dimensions, depth, and waste percent.
Research-backed assumptions Formula steps Examples included Private in-browser use
Formula steps
- Convert depth from inches to feet.
- Multiply length, width, and depth for cubic feet.
- Add waste and divide by 27 to convert cubic feet to cubic yards.
How to use the cubic yard calculator
- Enter length and width in feet, depth in inches, and waste percent.
- Press Calculate cubic yards to see cubic feet and cubic yards.
- Use it as a general bulk material volume helper.
- Uneven ground, settling, compaction, and supplier rounding can change purchase amounts.
Common uses
Estimate cubic yards for fill, soil, mulch, sand, or gravel.
Convert a shallow depth in inches into cubic yards.
Add waste before ordering bulk material.
Check the math behind material calculators.
Examples
Cubic yards
Cubic feet and yards
Low-volume estimate
Frequently asked questions
Plain-language answers about when to use the tool, what it does with your inputs, what to double-check, and how privacy works.
When should I use the Cubic Yard Calculator?
Use it when your task matches one of these common needs: Estimate cubic yards for fill, soil, mulch, sand, or gravel. Convert a shallow depth in inches into cubic yards. It works best when you already know the values, dates, units, or settings the page asks for.
What is the Cubic Yard Calculator doing with my inputs?
In plain language: The calculator converts depth from inches to feet, multiplies length by width by depth, adds waste, then divides cubic feet by 27 for cubic yards. The examples on the page are there so you can compare your inputs with a filled-out calculation before copying the answer.
What should I double-check before trusting the answer?
This is a simple rectangular-volume estimate. Uneven ground, compaction, slopes, forms, settling, and supplier rounding can change orders. Also check that you used the right unit, date, scale, or mode because small input changes can change the result.
Does the site save what I enter?
No. The calculator runs in your browser tab. Your recent answers stay only on the page while you use it, and they are not sent to a server.
Related tools
Soil Calculator Estimate soil cubic yards, cubic feet, and common bag counts from area and depth. Open Sand Calculator Estimate sand cubic yards and tons from length, width, depth, density, and waste. Open Gravel Calculator Estimate gravel cubic yards and tons from length, width, depth, and density. Open