Excavation and spoil calculatorPro
Work out how much soil comes out of a hole or site cut, how much it bulks up, and how many truck loads to book.
Your measurements
How it's worked out
Bank volume = length × width × depth. Loose volume = bank volume × a bulking factor (sand 1.12, topsoil 1.25, clay 1.3, rock 1.5). Trucks = loose volume ÷ truck size, rounded up.
Estimates only. Check sizes, coverage and quantities with your supplier, engineer or certifier before ordering. Standards references are a guide, not compliance advice.
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