About Remodel Calculators

Free exterior and interior construction calculators built on published industry standards — no login, no upsells.

What This Site Is

Remodel Calculators provides accurate construction material estimate tools for contractors, builders, and DIY homeowners. Every calculator uses coverage rates, waste factors, and formulas drawn from recognized standards — PCA, MPI, NRCA, ACI 318, and manufacturer specifications.

Results are estimates. Actual material needs vary by site conditions, surface preparation, and applicator technique. Verify quantities with your supplier before ordering.

Available Calculators

Exterior Calculators

Exterior paint calculator, siding calculator, deck stain calculator, roofing calculator, and fence calculator.

Interior Calculators

Interior paint calculator, drywall calculator, drywall screw calculator, and flooring calculator.

Industry Standards

Coverage rates, waste factors, and estimate formulas follow published professional specifications.

No Account Required

All calculators are free and work instantly on desktop, tablet, or mobile without creating an account.

How to Use a Calculator

1

Select a Calculator

Choose the exterior or interior calculator that matches your project — paint, siding, roofing, drywall, and others are available.

2

Enter Dimensions

Input your project measurements. Each calculator includes a guide to help you measure correctly.

3

Review the Estimate

Results include material quantities and waste factors. Use as a starting estimate for purchasing or quoting.

Who Uses These Calculators

  • ✓Painting Contractors: Quick exterior and interior paint estimates for client quotes
  • ✓General Contractors: Material estimates for siding, roofing, drywall, and concrete
  • ✓DIY Homeowners: Reliable material estimates before a hardware store run
  • ✓Property Managers: Budget planning for exterior and interior maintenance projects

Estimates, Not Guarantees

Results are material estimates based on standard coverage rates and waste factors. Actual quantities depend on surface condition, texture, application method, and installer technique. Confirm final quantities with your material supplier and verify compliance with local building codes before purchasing or starting work.

An Independent Project

Remodel Calculators is an independently operated site built to provide straightforward construction material estimate tools based on published standards. No ads obscuring results, no accounts, no upsells.