Built for Australian homes
How much paint, flooring or tiles do you actually need?
Free indoor calculators in square metres and litres — not guesswork. Work it out in seconds, order the right amount, avoid a second trip to Bunnings.
The calculators
Seven live calculatorsPaint coverage calculator
Litres of paint for any room. Handles walls, ceiling, doors and windows — with coats and waste margin.
FlooringFloor & tile calculator
Square metres, tile count and boxes for any room. Works with standard AU tile sizes and plank flooring.
WallsWallpaper rolls
Number of rolls for a room or feature wall, accounting for pattern repeat and door/window deductions.
ClimateAir con sizing
Recommended kW capacity for a room or open plan area — matched to AU climate zones.
TilingGrout calculator
Kilograms of grout for any tiled surface — floor, wall, bathroom or benchtop. Any tile size and joint width.
FinishingSkirting & cornice
Linear metres and number of lengths for skirting boards, cornice or both — with door deductions and waste margin.
FlooringUnderlay calculator
Rolls and m² of underlay for hybrid, laminate, timber or carpet flooring. Standard AU roll sizes.
Free tools. Zero fluff.
Metric-first, always
Every calculator uses square metres, litres and millimetres — the units on the tin, the box and the invoice.
No sign-up, no email
Type your numbers in. Get your answer. Leave. We don't want your email and we're not sending a newsletter.
Phone-friendly
Built for standing in a room with a tape measure in one hand. Big inputs, clear outputs, no pinch-to-zoom.
Honest waste margins
Every result adds a sensible waste margin and explains why. Order enough the first time.