Paint Calculator

Calculate how much paint you need to cover a wall area with a chosen number of coats.

Calculate

Enter your values below.

Check your paint can's stated coverage

Result

Paint needed
0

Formula used

Paint needed = (Wall area ÷ Coverage per liter) × Coats

Example: 60 m² wall, 10 m²/liter coverage, 2 coats → 12 liters.

How to use this calculator

  1. Enter Wall area (m²), Coverage per liter (m²), Number of coats.
  2. Press Calculate to see your result instantly.

Frequently asked questions

Where do I find my paint's coverage rate?

It's usually printed on the paint can, often as m² per liter or per gallon.

Do I need to subtract doors and windows?

For accuracy, subtract their area from your total wall area before entering it here.

How many coats should I use?

Two coats are standard for most walls; darker colors over lighter ones sometimes need a third.

Should I buy a little extra?

Many people round up to the next full can or add a small buffer for touch-ups.