Fill Dirt & Top Soil Calculator: Cubic Yards to Tons

Q: How many square feet does a cubic yard of dirt cover?

It depends on depth. At 2 inches deep, 1 cubic yard covers 162 sq ft. At 4 inches deep, it covers 81 sq ft. At 6 inches deep, it covers 54 sq ft.

Q: Will a cubic yard of dirt fit in a standard pickup truck?

Physically yes, but a cubic yard of wet fill dirt can weigh up to 3,000 lbs (1.5 tons). Always check your truck's payload capacity to avoid suspension damage.

Q: How do I calculate fill dirt for a sloped yard?

Break the slope into rectangular blocks and find the average depth. For example, a slope dropping from 12 inches to 0 inches has an average depth of 6 inches. Enter that average into the calculator.

How to Calculate Fill Dirt and Topsoil

Whether you are leveling a sloped backyard, filling a low spot, or building raised garden beds, ordering dirt is tricky because landscape supply yards sell by the cubic yard, but dump trucks and quarries often weigh out by the ton.

Our Fill Dirt and Top Soil calculator handles the math instantly. Just enter your dimensions in feet and inches, select your material, and we will tell you exactly how many cubic yards you need, how many tons that weighs, and what it will cost.

🛠️ Planning the rest of your site prep? Use our free tools:

👉 Gravel & Tonnage Calculator (For driveways & bases) 👉 Concrete Bag Calculator (For setting posts) 👉 Mulch & Soil Calculator (For garden beds)

Fill Dirt vs. Topsoil: Which Do You Need?

Many DIYers use these terms interchangeably, but they are vastly different materials with different weights and uses:

Fill Dirt: This is the rocky, sandy, clay-heavy subsoil found beneath the topsoil. It contains almost no organic matter, meaning it won't decompose or settle over time. Use it for: Leveling ground, filling deep holes, and building structural bases. It is heavier, weighing roughly 1.25 tons per cubic yard.
Topsoil: This is the top 2-8 inches of earth, rich in organic matter, microbes, and nutrients. Use it for: Lawns, planting trees, and top-dressing. It is lighter, weighing roughly 1.05 tons per cubic yard.
Screened Loam: Topsoil that has been passed through a mesh screen to remove rocks and debris. Use it for: Vegetable gardens and seed starting. It weighs about 1.1 tons per cubic yard.

How Much Does a Yard of Dirt Weigh? (Cubic Yards to Tons)

The most common question we get is how to convert cubic yards to tons. Because dirt density changes based on moisture content and clay composition, there is no single perfect number. However, contractors use these industry-standard rules of thumb:

1 Cubic Yard of Dry Fill Dirt = ~1.25 US Tons (2,500 lbs)
1 Cubic Yard of Topsoil = ~1.05 US Tons (2,100 lbs)
1 Cubic Yard of Wet/Muddy Dirt = ~1.5 US Tons (3,000 lbs)

💡 Contractor Pro-Tip: The "Compaction" Factor If you are using fill dirt to build a pad for a shed or a driveway, you must compact it with a mechanical plate tamper in 4-inch "lifts" (layers). Loose fill dirt will settle by up to 20% over the first year. Always order 15% to 20% extra fill dirt to account for compaction!

Frequently Asked Questions

How many square feet does a cubic yard of dirt cover?

It depends entirely on how deep you spread it.
• At 2 inches deep, 1 cubic yard covers ~162 square feet.
• At 4 inches deep, 1 cubic yard covers ~81 square feet.
• At 6 inches deep, 1 cubic yard covers ~54 square feet.

Will a cubic yard of dirt fit in a standard pickup truck?

Physically, yes, a cubic yard will fit in the bed of a standard full-size pickup truck (like an F-150 or Silverado). However, a cubic yard of wet fill dirt can weigh up to 3,000 lbs (1.5 tons). You must check your truck's "Payload Capacity" sticker on the door jamb. Overloading your suspension can cause severe damage and dangerous braking distances.

How do I calculate fill dirt for a sloped yard?

For a sloped yard, break the area down into a series of triangular or rectangular "blocks." Calculate the average depth of the slope (e.g., if it drops from 12 inches to 0 inches, the average depth is 6 inches). Enter that average depth into the calculator above to get your total cubic yardage.

🚜 Fill Dirt & Top Soil Calculator