Dirt Calculator in Yards
This dirt calculator gives your result in cubic yards, the unit fill dirt is ordered in. Multiply length by width by depth in feet and divide by 27 for cubic yards. Enter your dimensions below to get the cubic yards of dirt for your filling or grading project.
depth in inches; output yd3, ft3 and tons.
- Cubic yards
- 0 yd³
- Cubic feet
- 0 ft³
- Tons (approx.)
- 0 t
Enter length, width and depth to see the volume.
Estimate only. Densities, yields and prices vary by supplier, moisture and region; confirm before ordering.
How Do You Calculate Dirt in Cubic Yards?
To calculate dirt in cubic yards, multiply length by width by depth in feet to get cubic feet, then divide by 27. A 25 by 20 foot area at 4 inches deep is about 166.7 cubic feet, or 6.2 cubic yards. Dirt is delivered by the cubic yard, so this is the figure to order. The calculator also shows tons in case your supplier prices by weight.
Why Is Dirt Ordered in Cubic Yards?
Dirt is ordered in cubic yards because dump trucks and pricing are organized around that unit, with a typical truck carrying about 10 to 16 cubic yards. Knowing your cubic yards lets you order the right number of truckloads and avoid paying for partial loads. The calculator gives the yardage directly so you can plan delivery accurately.
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Frequently asked questions
- How many cubic yards of dirt do I need?
- Multiply length by width by depth in feet and divide by 27. A 25 by 20 foot area at 4 inches deep needs about 6.2 cubic yards.
- How many yards of dirt does a truck hold?
- A typical dump truck carries about 10 to 16 cubic yards. Knowing your yardage helps you order the right number of loads.