Hey. Came across you asking how much paint is needed for repainting old walls.
For 100 sq ft with 2 coats, you need approximately 1.5 to 2 liters of paint, assuming 120 sq ft coverage per liter, which can go lower too like 100 to 110 sq. ft. per litre, so paint use can go above 2 litres.
So if you’re repainting a 1,000 sq ft house, you’re looking at roughly 15 to 20 liters total. Add 10% extra for wastage because you always spill some or miss spots.
Factors Affecting Paint Needed
Textured walls need more paint than smooth ones because the rough surface reduces overall paint coverage per litre, with textured surfaces covering only 70 to 80 sq ft per litre against 100 plus sq. ft. on smooth walls. So wall condition matters.
Also, the technique used by the painter matters in getting proper coverage. If sprayers are being used, overspray leads to a lot of loss of paint while rollers and brushes are the most efficient to paint.
So having a high quality paint helps here as it has a higher percentage of solids, which are pigment and binder, giving better hiding power and better coverage per litre.
I hope this helps.
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How much Paint is Needed for Repainting Old Walls?
disha19
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45 days
2026-04-21T16:59:04+00:00 2026-06-04T14:48:44+00:00Comment
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