Painting & Decorating Calculators
Decorate without the guesswork using our free painting and decorating calculators. Work out how many litres of paint you need for walls and ceilings across multiple coats, and how many rolls of wallpaper to buy for a room.
Both tools let you deduct doors and windows and support metric and imperial units, so you get a clean finish without over-buying.
Painting Calculators(4)
Paint Calculator
Calculate how much paint you need for walls, ceilings and trim based on room dimensions.
Wallpaper Calculator
Calculate the number of wallpaper rolls needed for any room, accounting for pattern repeat.
Plaster Calculator
Estimate how much plaster you need for walls and ceilings, the number of bags and the total cost in metric or imperial units.
Decking & Fence Stain Calculator
Calculate how many litres of decking or fence stain you need based on the area and number of coats.