Free Tools for Trades & DIYers
Quick calculators for the shop, jobsite and home project. No signup required.
Concrete Calculator
Estimate concrete volume for slabs in m³, yd³ or ft³.
Square Footage Calculator
Add up multiple rectangular areas into a total sq ft / m².
Flooring Calculator
Work out flooring area, waste and boxes needed per room.
Paint Calculator
Estimate paint area, litres and gallons for any room.
Board Foot Calculator
Convert lumber dimensions into board feet and linear feet.
Steel Weight Calculator
Theoretical weight for plate, bar, tube, HSS and angle.
Unit Converter
Convert between feet, inches, fractions, mm, cm and m.
Have surplus materials sitting around after your project? Browse the marketplace or list it free.