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.

Discover more

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
5-common-house-painting-mistakes
5 Common House Painting Mistakes Homeowners Make
Learn how to prepare walls before you paint, masking techniques, and brush control lead to professional-looking...
Read More
properly prepare walls
Before You Paint: How to Properly Prepare Walls
Learn how to prepare walls before you paint, masking techniques, and brush control lead to professional-looking...
Read More
make small rooms look bigger
Make Small Rooms Look Bigger with the Right Paint Colours
Discover how the right paint colours, masking techniques, and brush control can make small rooms look...
Read More
1 2 3 4

Explore Colours

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

Explore Colours

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
Scroll to Top