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Paint Calculator: How To Know How Much Paint To Buy

Remodeling or redecorating a room in your home can be a very stressful time. But it’s a great opportunity to improve the value of your house to you and potential buyers.

Instead of planning a remodel that could likely be a hassle, take steps to ensure you’re properly prepared with these useful tools instructing you how to correctly estimate the amount of paint you need to buy. In fact, did you know that the first Olympic medal awarded to Ireland was in the sport of painting? Jack Butler Yeats won the silver medal for his illustration of “The Liffey Swim” at the 1924 summer olympic games.

If you think about the amount of effort Yeats must have put into his painting in order to win that silver medal, the task of deciding how much paint to buy should seem like a piece of cake in comparison. I understand that estimating the amount of paint you need to buy in order to cover a room can seem like a difficult assignment, especially if you’re not the best when it comes to math equations. But we made it simple. Provided are both a manual formula and a link to an automatic paint calculator which thoroughly walks you through the process of calculating the appropriate amount of paint for your colour needs.

Manually Calculating Your Paint:

Now we can begin by measuring the surface area of your designated room. Using a tape measure, write down the width and height of each wall. Determine the surface area of the walls in metres by multiplying the width by height. Now take the total surface area of each wall and add their values together. At this point, you will want to subtract any surface area that is taken up by doors and windows from your total surface area. Add an extra 20% of your current amount in order to account for any missed spots, future touch-ups or extra areas you may want to paint later on. This extra amount will also allow you to paint any door and window frames.

The following is a real-life example of the steps listed above. In the example, our square room has 4 walls. Each wall is 10 by 15 metres in size. Therefore, our surface area of each wall is 150 metres. The total surface area, then, is 600 metres. We have one door that is .5 x 2.5 metres, so it’s surface area is 1.25 metres. Our new surface area comes to 598.75 metres. If we add 20% to this surface area, we arrive at 718.5 metres. This is the total amount of space in metres we would need to cover in paint.

Automatic Paint Calculator:

The above is one example of how to manually determine the amount of colour needed for your paint project.