Sling Tension Calculator

Global Parameters

Gross Weight — W (ton)

K₁ — Left (mm)

K₂ — Right (mm)

X_cg — CoG Position (mm)

Eccentricity E_x (mm) (= Xb − Xcg)

Below Spreader Bar slings

ID	Xi (mm)	θ (°)	WLL (t)	Use

Below Hook (2 Slings)

θ G (°)

θ H (°)

WLL G (ton)

WLL H (ton)

Formula Reference

LF = 1/sin(θ) Fm = Me·ΔX / Σ(ΔX²) Wᵢ = W/n + Fm W_L = Wᵢ·K₂/(K₁+K₂) T = W·LF SF = WLL/T

Configure parameters and press Calculate
to compute sling tensions.

SLING TENSION CALCULATOR