How much paint do I need?

Calculate room size

m

m

m
Deduct paint area of doors & windows





Wall Paint area

  m2 total

For 2 coats, you'll need:
(Based on 12 m2 per litre, per coat)
  litres

Total Paint needed:
US gallon tins (3.8 litres each)
  tins

Ceiling Paint area

  m2 total

For 2 coats, you'll need:
(Based on 12 m2 per litre, per coat)
  litres

Total Paint needed:
US gallon tins (3.8 litres each)
  tins

Wall Primer area

  m2 total

For 1 coat, you'll need:
(Based on 10 m2 per litre, per coat)
  litres

Total Primer needed:
US gallon tins (3.8 litres each)
  tins