18 practical tools

Landscaping calculators

Soil, stone, mulch and seed. Turn the space you want to cover into a material list.

The calculator collection

A tool for every part of the project.

18 calculators

Free to use · No account needed

Gravel calculator

Estimate gravel volume, bags and supplier-based weight for paths and driveways.

Pea gravel calculator

Plan rounded gravel for garden paths, beds and decorative areas.

Sand calculator

Calculate sand volume and optional weight from your supplier’s density.

Paver sand calculator

Estimate the bedding sand layer beneath a paved area.

Mulch calculator

Work out bulk mulch and whole bags for beds and borders.

Rubber mulch calculator

Estimate rubber mulch volume using the depth and package size you choose.

Topsoil calculator

Calculate soil volume, bag quantities and comparable local costs.

Fill dirt calculator

Estimate the fill required to raise or level a measured area.

Crushed stone calculator

Estimate angular aggregate for base courses, paths and drainage projects.

River rock calculator

Plan decorative stone coverage, whole bags and optional tonnage.

Landscape rock calculator

Estimate decorative rock for beds, borders and open landscape areas.

Soil calculator

Estimate soil needed for a garden bed, planter or lawn repair.

Compost calculator

Estimate compost for a measured layer or a garden-bed amendment.

Stone calculator

Convert area and depth into stone volume, bags and optional weight.

Road base calculator

Estimate the base material beneath a driveway or paved surface.

Crusher run calculator

Estimate graded crusher run for a planned compacted layer.

Aggregate calculator

Estimate a loose aggregate layer and convert using your supplier’s density.

Grass seed calculator

Find the seed weight for a lawn using the application rate on your seed label.