BDK Room, Paint and Tile Calculator

Room Area, Paint and Tile Calculator

Estimate floor area, paint and tiles for a room.

🔒 Your files stay on your device. Processing happens in your browser, and your documents are not uploaded to BusyDayKit servers.

These are estimates for planning. Check coverage on the paint tin and ask your supplier before you buy. Want to sketch the room first? Open HomeSketch 3D.

What Room, Paint and Tile Calculator does

Enter the size of a room to estimate floor area, the wall area to paint, litres of paint and the number of tiles. Doors and windows are taken off the wall area.

The numbers are planning estimates. Always check the coverage printed on the paint tin and ask your supplier before buying.

Features

Metres or feet
Doors and windows deducted from the wall area
Paint for walls and ceiling for any number of coats
Tile count with an allowance for cutting and breakage
Clear messages when numbers do not make sense

How to use Room, Paint and Tile Calculator

Enter length, width and height.
Enter how many doors and windows the room has.
Set coats, paint coverage and tile size.
Read the estimates on the right.

Frequently asked questions

How much paint covers one square metre?

It depends on the paint. Many wall paints cover about 10 m² per litre per coat. Use the figure on your tin.

Why add extra to the tile count?

Tiles are cut at edges and some break. 10% is a common allowance, more for diagonal or patterned layouts.

Is this the same as HomeSketch 3D?

No. This is a quick calculator. HomeSketch 3D lets you draw a plan and view it in 3D.

Privacy: your files stay with you

Your files stay on your device. Processing happens in your browser, and your documents are not uploaded to BusyDayKit servers.

More free BusyDayKit tools

HomeSketch 3DDraw walls, rooms, doors, windows and furniture in 2D and explore the same single-storey plan in 3D. For concept planning, not construction drawings. Saves privately in your browser.Colour StudioBuild palettes, check text contrast and pick the main colours from an image.Quick CalculatorsVAT, discount, percentage change, margin and markup calculators with instant results.

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