Construction Calculators

Concrete Calculator

Free concrete calculator. Enter slab dimensions to find cubic meters or cubic yards of concrete needed and the number of 25 kg or 50 kg bags required.

Paint Calculator

Free paint calculator. Enter room dimensions and number of coats to find exactly how many liters or gallons of paint you need, including primer. Use our free ca

Rebar Weight Calculator

Free rebar weight calculator. Enter rebar diameter, length, and number of bars to find total weight in kg or tons for any steel reinforcement project.

Stair Calculator

Free stair calculator. Enter total rise height to find the number of steps, riser height, and tread depth that meet building code requirements. Use our free cal

Pool Volume Calculator

Free swimming pool volume calculator. Enter your pool dimensions to find total water capacity in liters or gallons for rectangular, round, and oval pools.

Tile Calculator

Free tile calculator. Enter your room dimensions and tile size to find how many tiles you need, including recommended waste percentage for cutting. Use our free