RightSizeTools Practical sizing calculators
Materials & Projects

Topsoil Calculator

Use this for lawn repairs, garden beds, grading touch-ups, and other topsoil planning. Enter the area and depth you need to fill.

Last updated: May 2026

Unit system Switch between U.S. customary and metric units. Your choice is remembered on other calculators.

Area and depth to fill out

Length and width define the area. Depth controls how much topsoil is needed.

ft
ft
in
Common starting points: 1/4–1/2 in for light topdressing, 1–2 in for lawn repair, 6+ in for garden beds.
Advanced settings
cu ft/bag
Only used for the bag count estimate.
%

Buying and sizing notes

How to use this estimate

What this includes

  • The required inputs shown on this page
  • common planning assumptions
  • optional advanced adjustments where provided

What it does not include

  • site-specific professional design
  • local code approval
  • manufacturer-specific requirements
  • installation quality

Common mistakes

  • Leaving a required input at the default when your situation is different
  • ignoring product labels or ratings
  • treating the estimate as an exact final answer

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