This wall area reference table shows the net wall area for a range of wall length values, assuming a wall height of 3 m and an openings area (doors/windows) of 2 m². Every figure is computed with the same engine that powers our Wall Area Calculator, so the numbers are exact.
| Wall length | Net wall area |
|---|---|
| 1.3 m | 1.90 |
| 2.5 m | 5.50 |
| 3.8 m | 9.40 |
| 5 m | 13.00 |
| 7.5 m | 20.50 |
| 10 m | 28.00 |
| 15 m | 43.00 |
| 25 m | 73.00 |
| 35 m | 103.00 |
| 50 m | 148.00 |
How to use this table
Find the row closest to your wall length and read across to the net wall area. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Wall Area Calculator for a precise answer.
Need a value that is not in the table? — the Wall Area Calculator does it instantly, for free, with the formula and a worked example built in.
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