Room Fast Finder
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Our simple calculators help you to get a quick and easy estimate of how much you will need of a variety of materials from paint to carpet for your next decorating project.
Please enter the width, length and height of your walls. If you wish to calculate a single wall click on total length.
Length of wall
Width of wall
Total length of walls
Height of room (floor to ceiling)
Please enter your window and door dimensions to accurately calculate the surface area of your walls and doors.
Select the materials below that you would like estimates for,
then simply click the Calculate button.
Please remember that these results are estimates only, you might need more depending on the intricacies of your project. Print out this page and take it along with an accurate plan - to confirm your calculations with the material supplier.
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Wall surface area
Floor & ceiling surface area
You will require approximately litres of paint.
You will need to purchase large tins and small tins of paint.
Price per large tin
Price per small tin
This is for a single coat only. Depending on your wall and colour choice you might need two coats, so you might want to double this number.
Price per UK standard roll
Price per US standard roll
This calculation is based on standard wallpaper sizes. Check to make sure you are buying British wallpaper as American rolls are larger and cover more square metres.
This tiles size works out to be tiles per m².
You will require approximately tiles.
Price per m² of tiles
The calculation has an added 10% for wastage. You might need more depending on how much cutting you will need to do. Remember every piece you cut will involve some waste.
This calculation is based on standard wallpaper sizes.
Check to make sure you are buying British wallpaper as American rolls are larger
and cover more square metres.
You will require approximately square metres of tiles.
You will require approximately m² of carpet.
Price per m² of carpet
If your room is wider than the roll of carpeting (usually 4 m)
you'll also have to order enough to account for waste and seams. Talk to your supplier for a more accurate figure.
You will require approximately m² of vinyl.
The calculation has an added 10% for wastage. If need to have a seam in your room you will might need to match the pattern along the seam which will further add to the amount of flooring you will need.
You will require approximately m² of wood.
m² per pack
Price per pack
You will require approximately packs, which will cost roughly .
The calculation has an added 10% for wastage. If you are thinking of laying a herringbone pattern you will probably need more as well. Talk to your supplier for a more accurate figure.