Free DIY Calculators

Instant, accurate calculators for home improvement projects. No account needed. Everything runs in your browser.

Tile Calculators

Calculate exactly how much tile you need for shower walls and floor.

Estimate tile needed for bathroom walls with waste factor included.

Find out how many bags of grout you need for any tile project.

Calculate boxes of laminate flooring needed including waste.

Estimate hardwood flooring by box coverage with waste factor.

Calculate how many rolls of underlayment your floor project needs.

Estimate carpet and padding in square yards for any room.

How many recessed lights do you need for your garage?

Calculate the perfect number of can lights for a bedroom.

Find out how many lumens you need for any room size.