Cubic Yard Calculator

What is a cubic yard calculator?

A cubic yard calculator, also called a yardage calculator, estimates material volume from an area's shape, dimensions, and depth. It can also show the result in cubic feet, which helps you compare the amount you need with supplier quotes.

Cubic yards are used to order loose or bulk materials such as soil, gravel, mulch, and concrete. The calculation converts the project's area and depth into cubic feet, then divides by 27 to get cubic yards. For a rectangular area, calculate area from length and width. For a round area, select the round shape and enter the dimensions the calculator requests.

Why cubic yards matter

Ordering too little can delay work or leave you with a second delivery to arrange. Ordering too much ties up money and can leave you with material to move or dispose of. A volume estimate gives you a useful quantity to compare with supplier pricing and delivery terms.

The estimate also supports project decisions. Before you commit to a material, compare the cost of different options and confirm that the planned depth fits the job. If your site has uneven ground, measurements are uncertain, or material may settle, account for that when setting the extra allowance. Your estimate is only as dependable as the measurements and assumptions you enter.

How to use this cubic yard calculator

1. Choose the shape that matches the area. Select Rectangle for a rectangular space or the round option for a circular space.
2. Enter the dimensions in feet. Measure the area you plan to cover, not a larger surrounding space.
3. Enter the material depth in inches. Use the depth you intend to spread or pour.
4. Enter an extra percentage for waste and settling if you want the estimate to include it. Use an allowance that reflects your site and material rather than treating it as a fixed requirement.
5. Enter the price per cubic yard if you want to estimate material cost. If the price is 0, the calculator can still show volume, but that price input will not provide a useful cost estimate.
6. Review the area, depth, volume, and cubic-yard result. Check your measurements and price before ordering.

Cubic yard calculator example

How to read your cubic feet calculator result

Area is the surface being covered. Depth is how thick the material layer will be. Volume in cubic feet shows the space required before conversion, while cubic yards make it easier to communicate a bulk order.

Check whether the displayed volume includes your extra allowance. In the example, 110 cubic feet includes 10% extra, and the converted amount is 4.07 cubic yards. Treat the result as an estimate, not a guarantee of the delivered amount. Ask the supplier how it rounds orders and whether its price includes delivery.

How to improve your material estimate

1. 01

   Measure the area you will actually cover

   Mark the project boundary and measure each dimension carefully. For an irregular space, divide it into simpler areas, calculate each separately, and combine the quantities.

2. 02

   Set a realistic depth

   Use the planned finished depth, not a guess based on the material pile. If the ground slopes or needs preparation, measure representative sections and consider whether separate estimates would be clearer.

3. 03

   Compare the full order cost

   Ask suppliers to quote the same material and quantity. Confirm delivery charges, minimum order terms, and how the supplier handles partial cubic yards before you choose.

Common cubic yard calculator mistakes

• Mixing units

  Enter length and width in feet and depth in inches, as labeled. If your measurements use different units, convert them before entering them.

• Entering the wrong depth

  A small depth error can change the total volume across the whole area. Confirm the planned layer depth before you order.

• Forgetting the extra allowance

  If you expect waste or settling, enter an allowance and check that the result includes it. Do not add the same allowance again when placing the order.

• Assuming the estimate includes every charge

  The volume result does not confirm delivery fees, taxes, or supplier rounding. Check those details with the supplier before paying.

The cubic yards formula

Key terms

Cubic foot

A unit of volume used to describe the space occupied by material.

Cubic yard

A unit of volume equal to 27 cubic feet.

Depth

The thickness of material planned over the area, entered in inches in this calculator.