Use our Paint Calculator to get an accurate number in seconds. All you’ll need to do is measure the width and height of your walls and we’ll do the rest. You may want to subtract the space taken up by windows and doors, but keep in mind that you'll probably want some paint left over for touch-ups.
Paint Calculator Tool
Paint Calculator
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🎨 How Much Paint Do You Need?
1️⃣ Measure Your Space – Multiply the height by the width of your walls to get the total square meterage. Not great with a tape measure? A rough guide is that one adult step equals about 1m.
2️⃣ Account for Windows & Doors – Measure them separately and subtract their square meters from your total.
3️⃣ How Many Coats? – Most interior paints need two coats for the best finish. Multiply your square meters by 2.
4️⃣ Final Calculation – Divide your total by the coverage per litre (usually 10m² per litre).
✔️ Don’t forget a little extra for touch-ups! Now you know exactly how much paint you need.
Before you start painting...
When painting a room, begin with the ceiling, then the walls, then the doors/windows, and finally the skirting boards.
Follow our instructions for preparing your walls for painting.
Explore our online colour chart
With access to over 2,000 shades on our colour chart, we can help you find the perfect hue to suit your taste and mood. From bold and vibrant to soft and soothing, we’ve got a shade for every style. With Oladecorator, your dream space is just a brushstroke away!

🏠 Ready to Transform Your Home’s Exterior?
💥 Get 20% OFF Workmanship | 💥 Save 25% on Materials
Whether you’re renovating or repainting, Oladecorator has you covered with professional services and budget-friendly solutions.
🎨 Let’s refresh your home today! Over 2,000 unique shades to choose from—make your exterior shine like never before.
Let’s Bring Your Vision to Life
Whether you’re looking for a holiday makeover, a cost-effective renovation, or a trusted decorator to handle it all, Oladecorator is your perfect partner. With our tested and trusted services, we ensure that your home becomes a space you’ll love to live in.
Looking for an Interior Designer or Painter?
With a proven track record in delivering stunning transformations, we connect homeowners with trusted, skilled decorators who bring creativity, precision, and professionalism to every project. Whether it’s a full home makeover, seasonal refresh, or a simple room upgrade, our expertise ensures a flawless finish. We offer unbiased recommendations and expert advice, helping you achieve the perfect interior that reflects your personality and lifestyle.