Compost bin volume calculator

How it works

A bin's capacity is its inside width × depth × height. Use it to compare designs or to check whether a bin is big enough to heat up: many composters aim for a heap of about one cubic yard (0.76 m³) or more, because smaller heaps lose heat quickly.

Worked example

Worked example: a 3 × 3 × 3 ft bin holds 27 ft³, which is exactly 1 yd³ (0.76 m³) or about 765 litres.

The results are estimates for planning and shopping. Check your measurements, and buy a little extra rather than too little.