Angle and slope calculation method with calculator

Get ready reference of different slopes with angle and vice versa. 

Thu Jun 26, 2025

Don't mug which you can refer easily. - Vijay Solanki

Slope Calculator

Calculate slope ratio from angle

°

Slope:1 in 0

Angle Calculator

Calculate angle from slope ratio

Angle: 0°

Here are some known slopes with their angle and vice versa.
Slope Angle
1 in 1
45°
1 in 226.56°
1 in 318.43°
1 in 414.04°
1 in 511.31°
1 in 69.46°
1 in 78.13°
1 in 87.13°
1 in 96.34°
1 in 105.71°
1 in 153.81°
1 in 202.86°
1 in 252.29°
1 in 501.15°
1 in 750.76°
1 in 1000.57°
1 in 2000.29°
1 in 5000.11°

Slope in ratio for different slope angle:
Slope Angle Slope in Ratio
1 in 11.43
1 in 7.12
10°1 in 5.67
12°1 in 4.70
15°1 in 3.73
18°1 in 3.08
20°1 in 2.75
25°1 in 2.14
30°1 in 1.73

Vijay Solanki
A California-based travel writer, lover of food, oceans, and nature.