Construction/Home calculator

Paint Calculator Material Estimator

Estimate paint needed from wall area, coverage per liter, and number of coats.

FormulaPaint needed = wall area x coats / coverage per liter

Formula

Paint quantity formula

Paint coverage varies by surface texture, primer, color change, and application method.

Paint needed = wall area x coats / coverage per liter

80 sq m at 10 sq m per liter for 2 coats needs about 16 liters.

FAQ6 common questions for this calculator.

FAQs

Should I include doors and windows?+

For a closer estimate, subtract large openings from wall area.

Should I buy extra paint?+

A small allowance helps cover touch-ups, waste, and uneven surfaces.

How does the Paint Calculator calculate the result?+

For the Paint Calculator, it uses the Paint quantity formula: Paint needed = wall area x coats / coverage per liter. 80 sq m at 10 sq m per liter for 2 coats needs about 16 liters.

What information do I need to use the Paint Calculator?+

For the Paint Calculator, enter wall area, coverage per liter, and number of coats. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.

How accurate is the Paint Calculator?+

Paint Calculator is a material estimate based on the dimensions, unit system, and allowance values entered. It uses the Paint quantity formula, but cuts, openings, site conditions, pack sizes, and code requirements can change the final quantity.

What should I check before using the Paint Calculator result?+

For the Paint Calculator, check wall area, coverage per liter, and number of coats, unit system, waste allowance, openings, site conditions, and supplier pack size. Use the estimate as a planning quantity before ordering materials.

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Construction/Home guide

How to use the Paint Calculator

Estimate paint needed from wall area, coverage per liter, and number of coats. The page also explains the paint quantity formula and shows a practical example: 80 sq m at 10 sq m per liter for 2 coats needs about 16 liters.

  1. 1

    Enter your details

    Enter wall area, coverage per liter, and number of coats, then complete any other fields shown in the calculator.

  2. 2

    Check the calculation

    Review the result alongside the paint quantity formula: Paint needed = wall area x coats / coverage per liter.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the paint Calculator result before you use the estimate.