Compost and raised bed calculator
Convert bed dimensions into litres of compost and a whole number of your chosen bags.
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How to use this tool
- Enter the bed width or diameter, length and fill depth. Length is ignored for circles.
- Optionally enter the litres on your bag label to calculate whole bags.
Things to know
- Measures a constant-depth shape. Allow separately for settlement, existing soil and unfilled space.
- Processing and results stay on this device. Inputs are bounded; no work is saved between visits.
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