Home Project Calculators

Use our free paint calculator to find out exactly how much paint you need for any room. Enter your wall dimensions and get litres, primer, and cans to buy.

Calculate how much interior paint you need for any room. Accounts for doors, windows, coats, coverage, and waste. Get litres and cans instantly.

Calculate exactly how much ceiling paint you need. Enter room dimensions, number of coats, and can size to get litres required and cans to buy.

Calculate how much exterior paint you need for house walls. Enter wall perimeter, height, doors and windows, and get litres plus cans to buy.

Calculate how many rolls of wallpaper you need for any room. Enter room dimensions, roll size, and waste allowance for an accurate roll count.

Calculate how many drywall sheets you need. Enter total wall area, sheet size, and waste allowance to get an accurate sheet count.

Calculate how much baseboard (skirting board) you need for any room. Get total linear metres and number of pieces to buy.