Calculate How Much Paint You
Really Need

Avoid overbuying or running short — Seamaster Paint’s Paint Calculator helps you estimate the exact amount of paint required for your project. Just enter a few simple details, and we’ll do the math for you.

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Paint

Calculator

Guessing Is Hard – This Tool Isn’t

Surface Area

Step 1 of 3 - Calculate the room area

Start by Measuring the width and height of all surfaces you wish to paint.

1. Dimensional Unit

▾

2. Wall Dimensions

Height

×

Width

Total Room Area ()

Disclaimer: Calculation doesn’t apply to products in kg since they’re calculated differently.

Surface Area

Step 2 of 3 - Quantity of doors and windows in the room

Calculation will omit the surface area of doors and window, with a standard door counted as 20 ft2 (2 m2) and each window averaging 10 ft2 (0.5 m2)

1. Total Doors

0

2. Total Windows

0

Excluded Area ()

BenBen

Here's how much paint you will need

Step 3 of 3- Here are your results - download them to keep a copy!

Based on the approximate surface area, this is estimated amount of paint required.

Paintable Area

Paint required

litres

Sealer/Primer required

litres
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From timeless classics to modern hues — find the perfect palette that turns every wall into a masterpiece. Take the guesswork out of your next project. Seamaster Paint’s Calculator helps you estimate the exact amount of paint required

Discover more
Paint Colour Selector
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