Paint Calculator

Buying too much paint will cost you money. Too little will cost you time. Fortunately, our handy Paint Calculator will show you precisely how much paint your next project needs. Simply answer a few questions, and we’ll begin.

How much paint do I need?

Taking on a painting project can be overwhelming, we get it!

British Paints is here to make your life easier… well, as much as we can! Fill out the below prompts in order to determine what amount of litres you will need and what product is best suited to your painting project.

Select Interior or Exterior

Is your painting project for interior or exterior areas?

INTERIOR

EXTERIOR

Select Your Area

We assume 4 walls and no ceilings with a room height of 2.4 metres

Measure Each Area

What is the size of the room? What is the area name? e.g Lounge, Kitchen, Bedroom, Ceiling, Front Fence etc.

Length

Width

A small room has 2 windows, 1 door and can fit 1 couch and 1 TV unit

Add another room

Add another area

Total area 0 m²

Measure Exclusion Areas

Select the exclusion area What is the exclusion area name?

Length

Width

The dimensions for the exclusion area need to be smaller than the painted area.

Number of Areas

Add another exclusion

Total exclusion area 0 m²

You're all set, do you wish to add another area?

You have finished filling in details to capture room(s), which is one area. To add additional areas, please select "Yes, add another area"

You need litres of paint

We recommend the following products

Hooray it’s time to get started on your painting project!
See the products we have selected for you to get the job done.

Disclaimer: British Paints Paint Calculator is provided as a guide only. While every effort has been made to ensure the accuracy of the estimate, the results should be used as a guide only. Paint requirements will vary depending on the substrate, type of paint used, sheen level and colour chosen.

Select Interior or Exterior

Is your painting project for interior or exterior areas?

INTERIOR

EXTERIOR

Select Your Area

We assume 4 walls and no ceilings with a room height of 2.4 metres

Measure Each Area

What is the size of the room? What is the area name? e.g Lounge, Kitchen, Bedroom, Ceiling, Front Fence etc.

Length

Width

A small room has 2 windows, 1 door and can fit 1 couch and 1 TV unit

Add another room

Add another area

Total area 0 m²

Measure Exclusion Areas

Select the exclusion area What is the exclusion area name?

Length

Width

The dimensions for the exclusion area need to be smaller than the painted area.

Number of Areas

Add another exclusion

Total exclusion area 0 m²

You're all set, do you wish to add another area?

You have finished filling in details to capture room(s), which is one area. To add additional areas, please select "Yes, add another area"

What is the size of the room? What is the area name? e.g Lounge, Kitchen, Bedroom, Ceiling, Front Fence etc.

Length

Width

A small room has 2 windows, 1 door and can fit 1 couch and 1 TV unit

Select the exclusion area What is the exclusion area name?

Length

Width

The dimensions for the exclusion area need to be smaller than the painted area.

Number of Areas

Timber Protect One Coat Clear -Oil Based

Timber Protect One Coat is a clear oil-based interior varnish designed to provide a quality satin finish whilst also saving you time as only one coat is required. It provides a durable finish which protects doors, windows, trim and interior furniture.

Buy online at Bunnings

Gloss & Satin - Material safety data sheet