Calculate exactly how much paint, primer, and putty you need for your walls. Enter your total wall area below for an instant estimate.
🎨 Paint Calculator
Wall paint — paint, primer & putty quantity
📋 Calculation Details
Coverage: ~120 sq ft per litre per coat. Includes 10% wastage.
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Frequently Asked Questions
How much paint do I need for 1000 sq ft?
For 1000 sq ft with 2 coats at 120 sq ft/litre coverage and 10% wastage: 18.3 litres (4.8 US gallons).
What is the coverage of 1 litre of paint?
Approximately 120 sq ft per litre per coat for emulsion paint on smooth plastered walls.
Do I need primer before painting?
Yes, primer improves adhesion and reduces paint consumption, especially on new plaster. Apply 1 coat of primer before 2 coats of paint.
How much putty is required?
Approximately 1 kg per 30 sq ft for wall putty (2 coats). For 1000 sq ft, you need about 33 kg.
What is the difference between sq ft and sq m input?
Select “Imperial” for square feet or “Metric” for square meters. The calculator converts automatically (1 sq m = 10.76 sq ft).