Free Tool
Paint Calculator
Estimate how much paint you need for your room. Enter the dimensions below and we will do the math.
Enter your room dimensions and hit Calculate.
We will estimate the paint you need, including suggested can sizes.
Note: This is an approximate estimate. Actual paint requirements may vary based on wall texture, paint type, surface condition, and application method. Door area assumed as 21 sq ft (7x3 ft), window area as 12 sq ft (4x3 ft). Default coverage of 130 sq ft/litre is for premium emulsion paint.