Cable Loads

Calculator for uniformly loaded cables with horizontal and inclined loads. Calculates support forces, tensions, sag, and cable length for various cable configurations.

Parameter	Description	Unit
Uniform Load (q)	Unit load on cable	N/m or lb/ft
Cable Span (L)	Horizontal span length	m or ft
Cable Sag (h)	Vertical sag at midpoint	m or ft
Horizontal Support Force (R1x/R2x)	= q L² / (8 h)	N or lb
Vertical Support Force (R1y/R2y)	= q L / 2	N or lb
Resultant Support Force (R1/R2)	= √(R1x² + R1y²)	N or lb
Support Angle (θ)	= arctan(R1y / R1x)	degrees
Cable Length (s)	= L + 8h² / (3L)	m or ft

Calculator

Inputs

Uniform Load (q) (N/m)

Cable Span (L) (m)

Cable Sag (h) (m)

Results

Horizontal Support Force (R1x/R2x)-- N

Vertical Support Force (R1y/R2y)-- N

Resultant Support Force (R1/R2)-- N

Support Angle (θ)-- degrees

Cable Length (s)-- m