Estimator · Updated October 27, 2026

How much do you need?

Rough quantities for flooring, paint, drywall and mulch. Enter sizes in feet and inches where noted. These are planning numbers only: check the label of the product you choose.

Length (ft)

Width (ft)

Waste (%)

Sq ft per box

Room length (ft)

Room width (ft)

Ceiling height (ft)

Doors and windows

Coats

Sq ft per gallon

Room length (ft)

Room width (ft)

Ceiling height (ft)

Waste (%)

Sheet size

Include ceiling

Length (ft)

Width (ft)

Depth (in)

Bag size (cu ft)

Before you order

Four habits that save money

Measure twice, and include closets and alcoves.
Check the product label. Coverage per box or gallon differs by product.
Buy from one batch. Paint and flooring can vary slightly between lots.
Ask about returns before you open or cut anything.

How much do you need?

Four habits that save money

Tell us the project.