Topsoil Calculator
Cubic yards and tons of topsoil.
Enter your values
Enter the length in ft.
Enter the width in ft.
Enter the depth in inches.
Enter the price per cubic yard in $.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Topsoil needed
- 4.44 cubic yards
- In tons
- 5.78
- Cubic feet
- 120
- Estimated cost
- $200.00
- Bags (0.75 cu ft)
- 160
Quick answer
Topsoil volume is area times depth; one cubic yard covers 100 square feet at 3 inches deep.
Cubic yards = sq ft × depth(ft) ÷ 27
At a glance
| What it does | Cubic yards and tons of topsoil. |
|---|---|
| Category | Home & DIY |
| Inputs needed | Length, Width, Depth, Price per cubic yard |
| Main output | Topsoil needed |
| Formula | Cubic yards = sq ft × depth(ft) ÷ 27 |
| Cost | Free — no sign-up, no download |
How to use the Topsoil Calculator
- 1Measure the bed length and width.
- 2Choose the depth in inches.
- 3Enter your bulk price per cubic yard.
Inputs explained
- Length(ft)
- Enter the length in ft.
- Width(ft)
- Enter the width in ft.
- Depth(inches)
- Enter the depth in inches.
- Price per cubic yard($)
- Enter the price per cubic yard in $.
Worked example
Using the values the calculator loads with:
Inputs
- Length30 ft
- Width12 ft
- Depth4 inches
- Price per cubic yard45 $
Results
- Topsoil needed4.44 cubic yards
- In tons5.78
- Cubic feet120
- Estimated cost$200.00
- Bags (0.75 cu ft)160
Frequently asked questions
How deep for a new lawn?
4–6 inches of quality topsoil over the subsoil.
How much does a yard weigh?
About 1.3 tons dry, more when wet.
What do I need to enter into the Topsoil Calculator?
Just 4 values: length, width, depth, price per cubic yard. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Topsoil Calculator work out the answer?
Topsoil volume is area times depth; one cubic yard covers 100 square feet at 3 inches deep. It applies the formula Cubic yards = sq ft × depth(ft) ÷ 27 and shows the working so you can check each step by hand.
Is the Topsoil Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.