Gravel and Mulch Calculator
Fill in the values and the answer updates as you type.
How the Gravel and Mulch Calculator works
Volume = length × width × depth. Weight assumes about 1.6 tonnes per m³; damp or fine material is heavier.
Inputs and results
The Gravel and Mulch Calculator takes 3 inputs and gives 2 results.
What you enter
- Length (m) — starts at 6.
- Width (m) — starts at 3.
- Depth (cm) — starts at 10.
What you get
- Volume (m³)
- Weight (tonnes, approx.)
Example: Gravel and Mulch Calculator with the starting values
With length 6 m, width 3 m and depth 10 cm, the calculator returns:
| Volume (m³) | 1.8 |
|---|---|
| Weight (tonnes, approx.) | 2.88 |
Change any value above and the results update straight away.
Gravel and Mulch Calculator FAQ
How do I use the Gravel and Mulch Calculator?
Enter length, width and depth in the fields, then read volume (m³) and weight (tonnes, approx.) in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Gravel and Mulch Calculator calculate?
Volume and weight of gravel for an area. It returns volume (m³) and weight (tonnes, approx.) from the 3 values you provide.
What values does the Gravel and Mulch Calculator start with?
It opens with length 6 m, width 3 m and depth 10 cm so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Gravel and Mulch Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Gravel and Mulch Calculator for important decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.