# 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
1.75%
3.49%
5.24%
6.99%
8.75%
10.51%
12.28%
14.05%
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%