Degrees to Percent Slope Calculator
Convert the angle in degrees to the percent slope.
°
%
How to convert Angle Degrees to Percent?
Simply calculate the tangent od the specific number of degrees and multiply the result by 100%.
Percent Slope = Tan(x°) * 100%
Or if you can't calculate tangent in degrees:
Percent Slope = Tan(x * π / 180) * 100% ≈ Tan(x * 3.14 / 180) * 100%
Roof Slopes
Converting angles to percentages is useful for calculating roof slopes. You can do this in our calculator or check in this table:
| Angle of roof inclination | Percent Slope |
|---|---|
| 1° | 1.75% |
| 2° | 3.49% |
| 3° | 5.24% |
| 4° | 6.99% |
| 5° | 8.75% |
| 6° | 10.51% |
| 7° | 12.28% |
| 8° | 14.05% |
| 9° | 15.84% |
| 10° | 17.63% |
| 11° | 19.44% |
| 12° | 21.26% |
| 13° | 23.09% |
| 14° | 24.93% |
| 15° | 26.79% |
| 16° | 28.67% |
| 17° | 30.57% |
| 18° | 32.49% |
| 19° | 34.43% |
| 20° | 36.4% |
| 21° | 38.39% |
| 22° | 40.4% |
| 23° | 42.45% |
| 24° | 44.52% |
| 25° | 46.63% |
| 26° | 48.77% |
| 27° | 50.95% |
| 28° | 53.17% |
| 29° | 55.43% |
| 30° | 57.74% |
| 31° | 60.09% |
| 32° | 62.49% |
| 33° | 64.94% |
| 34° | 67.45% |
| 35° | 70.02% |
| 36° | 72.65% |
| 37° | 75.36% |
| 38° | 78.13% |
| 39° | 80.98% |
| 40° | 83.91% |
| 41° | 86.93% |
| 42° | 90.04% |
| 43° | 93.25% |
| 44° | 96.57% |
| 45° | 100% |
| 46° | 103.55% |
| 47° | 107.24% |
| 48° | 111.06% |
| 49° | 115.04% |
| 50° | 119.18% |
| 51° | 123.49% |
| 52° | 127.99% |
| 53° | 132.7% |
| 54° | 137.64% |
| 55° | 142.81% |
| 56° | 148.26% |
| 57° | 153.99% |
| 58° | 160.03% |
| 59° | 166.43% |
| 60° | 173.21% |