Paint Cost Calculator
Accurately estimate the exact quantity of interior and exterior paint, primer, and putty required for your room. Calculate total material and labour budget instantly.
Enter Room Details & Rates
Estimation Results
Total Paint Required
0 Liters
For 2 Coats
Primer Quantity
0 Liters
Wall Putty
0 kg
Material Cost
₹0
Labour Cost
₹0
Total Estimated Budget
₹0
Net paintable surface area is 0 square feet.
Fill the room dimensions and click calculate to see the exact paint estimate here.
How to Calculate House Painting Cost?
Estimating the exact amount of material for a new home or renovation project can be tricky. Using our free online paint cost calculator, you can instantly figure out the exact quantity of emulsion paint, primer, and wall putty needed. This tool works perfectly for both interior painting and exterior house facades.
To find out the total budget, you must first calculate the paintable area. Our calculator automatically determines the wall measurement by multiplying the room length, width, and height. It also adds the ceiling if you select the option, and smartly subtracts the square footage taken up by doors and windows.
Understanding Paint Coverage Formula
In India, standard quality emulsion and acrylic paint provide a specific coverage spread rate. For a smooth finished interior wall, 1 liter of premium paint covers approximately 80 to 90 square feet for 2 coats. If you are doing fresh painting directly on plaster, the surface will absorb more material compared to repainting an old wall.
Rule for Primer and Putty Calculation
Wall putty is essential to level the surface before applying color. Usually, 1 kg of acrylic putty covers about 15 square feet for 2 thick coats. Following that, a single coat of primer is applied, where 1 liter of primer easily covers 120 to 140 sq ft of area to ensure maximum paint adhesion.
Frequently Asked Questions
Get clear answers to common questions regarding painting labor, material usage, and budget planning.
First, measure your room dimensions in feet. Multiply the perimeter of the room by the wall height to get the gross wall area. Subtract the space for doors and windows. Finally, divide this net square footage by the paint coverage rate which is usually 80 sq ft per liter for two coats to get the exact liters needed.
Contractors usually charge a flat rate per square foot for labor. For fresh interior painting involving putty, sanding, primer, and two coats of emulsion, the labor cost ranges between ₹10 to ₹18 per sq ft depending on your city. Repainting labor is cheaper as it skips the heavy putty work.
Yes. Exterior walls require weather proof and dust resistant acrylic paints or distemper which have a different spread rate and price compared to interior luxury texture paint. Exterior walls also require special damp proof primer bases, which slightly alters the final budget estimate.
Absolutely. Primer acts as a binding layer between the raw plaster or putty and your final paint. It seals the pores, prevents moisture damage, and reduces the overall paint consumption. Skipping primer will result in peeling paint and a much higher long term maintenance cost.
Yes, at ConstructionCostCalculator.in, we have included a checkbox option specifically for the ceiling. If checked, the tool automatically calculates the length multiplied by width of your room and adds that extra square meter area to your total requirement quote.