Forces and Tensions in Ropes due to Angle

Reduced load capacities in ropes, cables or lines - due to acting angle. Calculate increased force or tension in a rope or cable based on angles and load.

Rope Angle with Load (degrees)	Angle β (degrees)	Increased Force or Tension Factor θ
0	90	1
5	85	1
10	80	1.02
15	75	1.04
20	70	1.07
25	65	1.1
30	60	1.16
35	55	1.22
40	50	1.31
45	45	1.41
50	40	1.56
55	35	1.74
60	30	2
65	25	2.37
70	20	2.92
75	15	3.86
80	10	5.76
85	5	11.5

Calculator

Inputs

Vertical Distance (h) (m)

Horizontal Distance (d) (m)

Load (F) (kN)

Results

Angle α-- degrees

Angle β-- degrees

Tension Factor θ--

Force in Rope (Frope)-- kN

Force in Beam (Fbeam)-- kN