Home & DIY
Areas, paint and materials for a project. 5 free tools, all running in your browser.
Area calculator
Floor area in square feet and square metres.
Paint calculator
How much paint for the walls of a room.
Concrete calculator
Volume and bags of concrete for a slab or footing.
Tile calculator
How many tiles and boxes for a floor or wall.
Electricity cost calculator
What a device costs to run per day, month and year.
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