Quick start
- Enter length and width in feet.
- Enter average depth in inches. A 3 inch layer is 0.25 foot in the formula.
- Add waste when material will settle, compact, spill, or need rounding up.
Best uses
Start here if one of these sounds like your job. The examples below show which inputs matter most.
- 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.
What this calculator is solving
The Cubic Yard Calculator is the general volume helper behind many material estimates. It converts length, width, depth in inches, and waste into cubic feet, cubic yards, and cubic meters.
Match each input label on the calculator to the real measurement, amount, rate, unit, or setting for your job.
The formula in plain language
In plain language: The calculator uses cubic feet = length x width x (depth inches / 12), adjusted cubic feet = cubic feet x (1 + waste percent / 100), cubic yards = adjusted cubic feet / 27, and cubic meters = adjusted cubic feet x 0.0283168. The examples on the page are there so you can compare your inputs with a cubic yard material example before copying the answer.
The example cards on the calculator page show a complete set of inputs and the kind of answer you should expect.
How to read the answer
Read the main result first. Then check the smaller lines for the totals, units, ranges, counts, or formula steps behind it.
- Cubic feet shows the raw rectangular volume before yard conversion.
- Cubic yards is the bulk material number many soil, sand, mulch, gravel, and fill suppliers use. The calculator divides adjusted cubic feet by 27.
- Cubic meters appears for conversion context, using the NIST cubic-foot conversion.
- Waste added shows the extra volume included before you talk with a supplier.
- A 20 ft by 10 ft area at 3 inches deep is 50 cubic feet before waste and about 1.94 cubic yards with 5% waste.
Common mistakes to avoid
If the answer looks strange, the most likely cause is a small input mismatch: a mixed unit, copied value, wrong mode, missing label, or result used for the wrong job.
- Do not mix inches, feet, and yards without converting them.
- Do not ignore uneven depth or sloped ground.
- Do not assume loose material, compacted material, bags, and tons are the same thing.
- Supplier minimums, half-yard rounding, truck delivery rules, and bag labels can change the purchase amount.
Research and references
These references help check the measurements, units, limits, or safety notes used in this guide.
Worked examples for Cubic Yard Calculator
52.5 ft3 and 1.94 yd3
52.8 ft3 and 1.96 yd3
4 ft3 and 0.15 yd3
32 ft3 and 1.19 yd3
FAQ in plain language
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 length, width, depth in inches, and waste percent.
What is the Cubic Yard Calculator doing with my inputs?
In plain language: The calculator uses cubic feet = length x width x (depth inches / 12), adjusted cubic feet = cubic feet x (1 + waste percent / 100), cubic yards = adjusted cubic feet / 27, and cubic meters = adjusted cubic feet x 0.0283168. The examples on the page are there so you can compare your inputs with a cubic yard material example before copying the answer.
What do the main Cubic Yard Calculator inputs mean?
Length and width: the rectangular area to fill or cover. Depth: the average material depth in inches. Waste percent: extra material for uneven grade, compaction, settling, and ordering cushion.
How should I read the Cubic Yard Calculator answer?
Read the headline estimate first, then check the material, waste, coverage, and unit lines. For project tools, the supporting lines are often the difference between a rough idea and a list you can actually shop from.
What should I double-check before trusting the answer?
This is a simple rectangular-volume estimate, not a supplier order guarantee. Uneven ground, compaction, slopes, forms, settling, moisture, truck minimums, bag yield, and supplier rounding can change what you buy. Also check whether your supplier sells loose cubic yards, compacted cubic yards, tons, bags, or a minimum delivery amount.
How many cubic feet are in a cubic yard?
There are 27 cubic feet in one cubic yard because 1 yard is 3 feet, and 3 x 3 x 3 = 27. That is why the calculator divides adjusted cubic feet by 27.
How do I calculate cubic yards from feet and inches?
Multiply length by width by depth in feet to get cubic feet, then divide by 27. If your depth is in inches, divide it by 12 first. For example, 3 inches is 0.25 foot.
Related tools
- Soil Calculator Estimate topsoil, garden soil, cubic yards, cubic feet, and common bag counts from area and depth.
- Sand Calculator Estimate sand cubic yards and tons from length, width, depth, density, and waste.
- Gravel Calculator Estimate gravel cubic yards and tons from length, width, depth, and density.
Keep exploring
If this guide is close but not exact, these links keep you near the same kind of problem.
- Home & Projects Browse the full category for related tools that help with the same job.
- All free tools Search the complete Access Free Tools library by task, category, or tool name.
- All calculator and utility guides Find more plain-language examples, formulas, mistakes, and result explanations.
- Free calculator resources Start here when you are not sure which calculator page fits.
Privacy and copying results
Recent answers stay visible only while you work in the current browser tab. They are not sent to a server.
Use Copy answer when you want to save the inputs and result in notes, homework, a message, or a project list. Check the units, labels, and limits before copying.