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NumLuma› Home›Cubic Yard
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Cubic Yard Calculator

Calculate cubic yards from rectangular length, width and depth. See cubic feet and cubic meters for landscaping and material planning.

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Recalculates as you type
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Calculation breakdown
How to read this result

The cubic-yard figure is a pure rectangular volume. Add any project-specific allowance separately when real material quantities need to cover compaction or uneven depth.

More actions
Useful next calculationGravel
How to use it

A clear result in a few inputs.

  1. Enter the requested values.Use consistent units and the real values for your scenario.
  2. Read the main result and breakdown.NumLuma recalculates immediately when an input changes.
  3. Check the formula and assumptions.Use the supporting context before making a real-world decision.

What this calculator does

Bulk landscape and construction materials are often sold by cubic yard. This tool calculates a rectangular volume from feet and inches, converts depth to feet and then divides cubic feet by 27 to return cubic yards.

What to know before you use the result

  • One cubic yard equals 27 cubic feet.
  • The result is geometric volume and does not account for compaction, settlement or density.
  • Weight conversions require material-specific density.

Common mistakes to avoid

  • Entering depth in inches as though it were feet.
  • Using square footage alone when a volume calculation requires depth.
  • Assuming one cubic yard weighs the same for every material.

Where this calculation is useful

GravelSoilConcreteLandscape material

Related concepts

cubic yardscubic feetbulk materialvolume calculation
NLNumLuma standard

Built to be understandable before it is impressive.

  • Formula shown clearly
  • No sign-up required
  • Mobile-first controls
  • Inputs processed locally
  • Plain-language result breakdown
Read our methodology →
Assumptions & scope

Know what the number includes.

Evergreen project-planning intent. Keep units, material assumptions and waste/coverage limits explicit.

How NumLuma checks calculators →
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Quick answers

About the cubic yard calculation.

How many cubic feet are in a cubic yard?

There are exactly 27 cubic feet in one cubic yard.

How do I calculate cubic yards from square feet?

Multiply square feet by depth in feet to get cubic feet, then divide by 27.

Can I convert cubic yards to tons?

Only with a material density. Gravel, soil, sand and mulch can have very different weights per cubic yard.