Free garden calculators
Buying soil by guesswork is how you end up with four spare bags or a half-empty bed. These calculators run entirely in your browser — no sign-up, no data collected.
Garden Soil Calculator
Length, width and depth in, soil volume out — in cubic feet, cubic yards, cubic metres and litres.
Open the calculatorRaised Bed Soil Calculator
Size the fill for one raised bed or a whole row of identical beds, with a bag estimate.
Open the calculatorMore tools on the way
We're building out a small set of practical, free gardening tools — a mulch calculator, plant spacing helper and planting calendar among them. They'll work the same way: fast, client-side and free to use.