ToolsRaised Bed Soil Calculator

LEAF & LODGE GARDENING TOOLS

Raised Bed Soil Calculator

Find out how much soil your raised garden bed needs. Estimate fill volume, the 60/30/10 soil mix, bag quantities, and example costs before you shop.

✓ Soil volume & mix quantities✓ Bag estimates✓ Example cost planning
Plan your raised bed fill

Enter the inside dimensions of your bed and the soil depth you want. Estimates use a 60/30/10 topsoil, compost, and coir mix; local products and prices can vary.

Raised Bed Soil Calculator

Exact fill volume plus the 60/30/10 mix recipe we recommend for vegetables.

Most used Free · No signup

Quick presets:

How we calculate

cubic feet = length × width × (depth ÷ 12) · cubic yards = cubic feet ÷ 27. Base volume shown above — soil can settle after watering, so consider ordering a small amount extra.

What goes into the mix?

A quick guide to the 60/30/10 blend used in this estimate.

Topsoil
60%

The main mineral-soil base that gives the bed structure.

Compost
30%

Adds organic matter to support soil health and plant growth.

Coir / aeration
10%

Helps keep the blend lighter and supports moisture management.

Buying tip

Use the estimates to compare bagged and bulk options. Bag sizes, local prices, and the best mix can vary by crop and supplier.