Home Remodeling

How To Calculate Square Meter Of A Room

  By - Eagan Taylor    On Apr 04, 2025

How To Calculate Square Meter Of A Room

Everyone should know the easiest ways to calculate square meters of the room. So, you need to get the exact measurements and avoid overpaying for the tiles, carpet, etc. Here is how you should proceed: Measure the length and width of the room (from one side to the other). Length shows how long an object is, and width shows how wide it is. Once you are done measuring, multiply the values of length and width to get the area in square meters. The formula is shared for your ease  –  Area (m²) = Length (m) × Width (m). 

The Science Of Calculating an Irregular-Shaped Room

Do you think that it is the right time to get a new carpet or tiles for your home but every room is not in perfect shape? There can be a window that is located in an odd position or the room is shaped in such a way that makes it a hassle to measure the square meter. 

Do not fret yet, as there is a way out. Here is how:

Sketch A Rough Diagram

Make a diagram of the room and take note of the odd shapes that you have difficulty measuring. Nothing fancy, just a rough sketch is required to get a basic idea.

Pro Tip:

Use a lead pencil to sketch your room, as it will help you understand the room’s dynamics with perfection!

Measure the Odd Shapes Later For Ease

Calculate the length and width of each odd shape separately and add it to the total area later making the measuring process much easier. 

How Calculating A Square Meter Beforehand Can Make Tile Installation A Breeze 

Getting an accurate measurement is important before purchasing tiles. Doing this can help avoid unpleasant surprises like overbuying (or underbuying). You need to make sure the measurement is accurate so the room looks ravishing after the installation of new tiles. 

Grab a seat as we show you how to proceed:

Multiply The Length and Width

Measure the length and width separately and multiply them to get an accurate figure for the square meter. 

Expert Advice:

Try to use a calculator if you feel like you are missing out on statistical data!

Always take into account odd shapes

The best practice is to measure the odd shapes (or a curvy window) separately and add it later into the total for an exact figure.

Tile Breakage & Wastage Is A Real Possibility

Add an extra 10% into the area, factoring in the breakage or wastage of tiles. Extra tiles are always necessary during the process of installation, so it is best to plan ahead.

Simplifying the Area of a Square

A square is a shape with 4 equal sides. To know the exact area of a square, we need to figure out how long one side of the square is and then multiply the sides by itself. 

Example:

If each side of the square is 5cm long. Multiplying 5cm×5cm=25cm2 gives you an accurate measurement of the area of the square.

How Real Estate Agents Measure Square Meters of A Property

Real estate is a thriving business in the UK. Clients are busy buying or selling flats, houses and commercial properties. To provide the prospects with a quote, measuring the square footage is one of the first steps. Not all houses are built the same, so here is how a real estate agent proceeds with the measurements:

Collective Length and Width Measurements Of Each Room For Ease

Measure the length and width of each room. The usable space between the walls is measured for an accurate figure.

Important Note:

When taking these measurements, internal wall thickness is not taken into account. Only the usable area is accounted for.

Multiplying The Length and Width

After calculating the exact values of the total length and width they are multiplied together. Each room has a different value that is multiplied by the total sum in square meters.

The Final Step Of Addition

The total area of each room is jotted down and added to each other giving an idea for the total floor area. Making it easy for real estate agents to calculate property costs. 

Conclusion

In a nutshell, calculating a square meter of a room is not rocket science. It seems more difficult than it is. All you need to do is calculate the length and width for each room separately, add those values later and get an accurate idea of the square meter of each room within your home. In case you are facing difficulty a simple Google search will reveal online square meter calculators designed to do the heavy lifting on your behalf.

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FAQs

  1. Why is it important to measure the square meter before buying tiles or carpets?
    Measuring the square meter is important when purchasing tiles or carpets to avoid unpleasant surprises like overbuying (or underbuying) the number of tiles or the length of the carpet.
  2. Should I factor in extra tiles for breakage or wastage when measuring a room?
    Yes, extra tiles are always required during installation. The best practice is to add 10% to the total room area to avoid any inconvenience later.
  3. What should I do if my room has an odd shape or features like a bay window?
    You should take the room measurements and the window measurements separately and then add them together to get an accurate area figure.
  4. Why is it important to be accurate when calculating square meters for home renovations?
    To avoid extra costs or purchasing unnecessary materials, make sure to calculate square meters accurately. This small step can save you time and money.
  5. What’s the difference between a square and a rectangle when calculating square meters?
    A square consists of sides with equal length. A rectangle does not have equal sides so you multiply the length by the width for accurate measurement figures.
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About Author : Eagan Taylor

Hey! I'm Eagan Taylor, I'm a versatile writer with a passion for crafting engaging and thought-provoking content. With a broad range of interests and expertise in various subjects, I can write on multiple topics about local businesses.

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