Soil Calculators
Soil, mulch, compost and potting mix are all sold by volume. These calculators convert the size of your beds, lawns or containers into cubic yards, cubic metres and bags so you buy the right amount the first time.
Soil Calculator
Find how many cubic yards, cubic metres or bags of soil you need for any bed or area.
Open calculatorMulch Calculator
Work out yards or bags of mulch, bark or wood chips for beds and tree rings.
Open calculatorPotting Soil Calculator
Quarts, litres and bags of potting mix for round, tapered or rectangular containers.
Open calculatorCompost Calculator
How much compost to top-dress or work into beds and lawns, in yards, metres and bags.
Open calculatorWhich soil calculator do I need?
- Soil Calculator: topsoil or garden soil for new beds, leveling and lawns.
- Mulch Calculator: bark, wood chips and other mulches, including coverage per yard.
- Compost Calculator: amending beds or top-dressing lawns.
- Potting Soil Calculator: pots, planters and window boxes, in quarts and litres.
Volume units at a glance
| Unit | Equals |
|---|---|
| 1 cubic yard | 27 cubic feet · 0.765 m³ · 765 litres |
| 1 cubic foot | 1,728 cubic inches · 25.7 dry quarts · 28.3 litres |
| 1 cubic metre | 1,000 litres · 35.3 cubic feet · 1.31 cubic yards |
All of these calculators accept both US and metric measurements, use the toggle at the top of each calculator.
FAQ
Common questions
How much area does a cubic yard cover?
324 sq ft at 1 inch deep. Divide 324 by your depth in inches: 108 sq ft at 3 in, 54 sq ft at 6 in.
Is it cheaper to buy soil in bulk?
Usually, once you need more than about one to two cubic yards, but compare delivery fees and minimum orders with bag prices locally.
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