About the Earthwork Calculator
Cut and fill volumes for levelling a site, with the net import or export of material.
Also known as: cut and fill calculator, site levelling, earth moving volume, grading calculator.
How to use this calculator
- Enter site area, average cut depth, average fill depth, fill compaction allowance and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
net = cut volume − compacted fill volume
Worked example
Using the values pre-filled in the calculator above:
- Site area = 500 m²
- Average cut depth = 0.3 m
- Average fill depth = 0.15 m
- Fill compaction allowance = 20 %
- Cut bulking factor = 25 %
the calculator returns:
- Surplus to export: 60 m³
- Cut volume: 150 m³
- Fill volume required: 90 m³
- Bulked export volume: 75 m³