Use this free calculator to estimate room wall and optional ceiling paint volume. Enter your measurements and keep the material and wastage settings visible.
Enter your details
Private: the calculation runs in your browser. Your inputs are not sent to GharGanit.
Real site dimensions and workmanship affect the quantity.
Transport, cutting, pattern and breakage affect how much extra material to order.
This is an early quantity estimate. Site conditions, drawings, product details and workmanship can change the final requirement.
Net paintable area times coats is divided by product coverage, with a separate allowance for application loss.
Use the manufacturer's coverage for the substrate, finish and application method and decide whether primer is a separate product.
One litre does not cover the same area on fresh plaster, repaired walls and a previously sealed surface.
Use this calculator only for an early quantity estimate. A qualified civil or structural engineer must decide the final structure, reinforcement and safety details.
Paint litres = net area × coats ÷ product coverage × wastage
Use the manufacturer's coverage for the substrate, finish and application method and decide whether primer is a separate product.
One litre does not cover the same area on fresh plaster, repaired walls and a previously sealed surface.
This is an early quantity estimate. Site conditions, drawings, product details and workmanship can change the final requirement.