Slope Calculator: Convert Between Degrees, Gradient, and Grade

Calculate and convert between slope angle (degrees), gradient, and grade (%) based on vertical rise and horizontal run. Also calculate slope length.

Calculator

Inputs

Vertical Rise (m)

Horizontal Run (m)

Results

Angle (Degrees)-- °

Grade-- %

Gradient-- 1:n

Slope Length-- m

Angle (degrees)	Gradient (1:n)	Grade (%)
0.1	573	0.17
0.2	286.5	0.35
0.3	191	0.52
0.4	143.2	0.7
0.5	114.6	0.87
0.57	100	1
0.6	95.49	1.05
0.7	81.85	1.22
0.8	71.62	1.4
0.9	63.66	1.57
1	57.29	1.75
2	28.64	3.49
3	19.08	5.24
4	14.3	6.99
5	11.43	8.75
5.71	10	10
6	9.514	10.5
7	8.144	12.3
8	7.115	14.1
9	6.314	15.8
10	5.671	17.6
15	3.732	26.8
20	2.747	36.4
25	2.145	46.6
30	1.732	57.7
35	1.428	70
40	1.192	83.9
45	1	100
50	0.8391	119.2
60	0.5774	173.2
70	0.364	274.7
80	0.1763	567.1
85	0.08749	1143
90	0	9999999