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How to Calculate Square Meter of a Window

Published in Window Measurement 3 mins read

To calculate the square meter of a window, you need to measure its length and width and then multiply these two measurements together after converting them to meters.

Calculating the area of a window in square meters is a straightforward process that involves measuring the two primary dimensions: its width and its height (or length). Once you have these measurements, you follow a simple formula.

Steps to Calculate Window Area in Square Meters

Here's a breakdown of the steps involved:

  1. Measure the Window Dimensions:

    • Measure the width of the window. Measure from one side of the window frame to the other.
    • Measure the height (or length) of the window. Measure from the top of the window frame to the bottom.
    • It's best to measure both dimensions in the same unit, such as centimeters or inches, to start with.

  2. Convert Measurements to Meters:

    • If your measurements are in centimeters (cm), divide the measurement by 100 to convert it to meters (m). (e.g., 150 cm / 100 = 1.5 m)
    • If your measurements are in inches (in), multiply the measurement by 0.0254 to convert it to meters (m). (e.g., 60 inches * 0.0254 ≈ 1.524 m)

  3. Calculate the Area:

    • Multiply the length and width together.
    • As stated in the reference: "Once both measurements are converted into meter, multiply them together to get the measurement of the area in square meter."
    • The formula is: Area (in m²) = Width (in meters) × Height (in meters)

Example Calculation

Let's say you measured a window and found its dimensions to be:

  • Width: 120 centimeters (cm)
  • Height: 150 centimeters (cm)

Now, follow the steps:

  1. Convert to meters:

    • Width: 120 cm / 100 = 1.2 meters (m)
    • Height: 150 cm / 100 = 1.5 meters (m)

  2. Calculate Area:

    • Area = Width × Height
    • Area = 1.2 m × 1.5 m
    • Area = 1.8 m²

So, the area of the window is 1.8 square meters.

Quick Reference Table

Measurement Type Original Unit (Example) Conversion to Meters Measurement in Meters (Example)
Width 120 cm Divide by 100 1.2 m
Height 150 cm Divide by 100 1.5 m
Area - Multiply Width × Height 1.8 m²

Understanding how to calculate the area in square meters is useful for various purposes, such as estimating the amount of glass needed, determining energy efficiency, or planning window treatments. Always double-check your measurements for accuracy.

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