Example: Length: 30 ft · Width: 20 ft · Depth: 4 ft · Swell factor: 25% → Bank volume (in ground): 88.9 cu yd.
Loose volume (to haul): 111.1 cu yd
Truckloads (12 yd): 10
Frequently asked questions
How do I calculate excavation? Enter your numbers above and the result updates instantly. For example: Length: 30 ft · Width: 20 ft · Depth: 4 ft · Swell factor: 25% → Bank volume (in ground): 88.9 cu yd.
Is this Excavation Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for excavation. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.