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Home Improvement Calculators

Accurate, free calculators for concrete, paint, decking, and more. Plan your project with confidence — no sign-up required.

All Calculators

Calculate how much concrete you need for slabs, footings, and columns. Get cubic yards and bag counts instantly.

Calculate how many gallons of paint you need for any room. Accounts for doors, windows, and number of coats.

Estimate the total cost to build a deck including materials, labor, railings, and stairs.

Calculate how much mulch you need in cubic yards and bags. Get cost estimates by mulch type.

Calculate how much gravel you need in tons, cubic yards, and bags. Includes density conversion by gravel type.

Calculate how many tiles you need for floors or walls. Accounts for grout width, waste, and tile size.

Estimate the total cost to build a fence including materials, labor, posts, and gates.

Calculate flooring materials and costs for hardwood, laminate, LVP, carpet, and engineered wood.

Calculate the number of drywall sheets, joint compound, tape, and screws needed for your project.

Everything you need to plan your project

Built with real-world formulas and industry-standard measurements.

No sign-up, no fees, no hidden costs. Just instant answers.

Works perfectly on your phone at the job site or hardware store.