What is the Minimum Window Size Relative to Room Size?

In architecture, the window functions as a place for the circulation of air and light in a room. A window is intended so that the room will be able to use natural daylight during the day. The wider or larger the room, the wider and larger the window size must be so you can get the best amount of natural light in your room. So what is the minimum window size relative to room size?

 

Below is a correlation table showing the needed or minimum window size relative to room size.

Window size54/83
(cm)
54/103
(cm)
64/103
(cm)
74/103
(cm)
74/123
(cm)
74/144
(cm)
114/123
(cm)
114/144
(cm)
134/144
(cm)
Surface area of the light admission (M²)0.210.280.360.440.550.660.931.121.36
Room size (M²)22 - 33 - 44 - 56 - 791113

 

So this is my brief explanation regarding “What is the Minimum Window Size Relative to Room Size?” I referenced the book Architects’ Data which was written by Ernst and Peter Neufert, as this book is one of the best books already used as the guideline for architecture college students all around the world.

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