This rectangle reference table shows the area for a range of length values, assuming a width of 6 units. Every figure is computed with the same engine that powers our Rectangle Calculator, so the numbers are exact.
| Length | Area | Perimeter | Diagonal |
|---|---|---|---|
| 2 units | 12.00 | 16.00 | 6.3246 |
| 4 units | 24.00 | 20.00 | 7.2111 |
| 6 units | 36.00 | 24.00 | 8.4853 |
| 8 units | 48.00 | 28.00 | 10.0000 |
| 12 units | 72.00 | 36.00 | 13.4164 |
| 16 units | 96.00 | 44.00 | 17.0880 |
| 24 units | 144.00 | 60.00 | 24.7386 |
| 40 units | 240.00 | 92.00 | 40.4475 |
| 56 units | 336.00 | 124.00 | 56.3205 |
| 80 units | 480.00 | 172.00 | 80.2247 |
How to use this table
Find the row closest to your length and read across to the area. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Rectangle Calculator for a precise answer.
Need a value that is not in the table? — the Rectangle Calculator does it instantly, for free, with the formula and a worked example built in.
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