Window Area by Building Code
Calculate Window Area by Building Code instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Window Area by Building Code
Room area, m²
Window area (min.)
2.25m²
More about: Window Area by Building Code
What it calculates
The “Window Area by Building Code” calculator computes Window area (min.) in m² from 1 parameter: room area, m².
Used in design, material estimation, and structural calculations.
Example calculation
With parameters Room area, m² = 18 the result is 2.25 m².
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.