Sling Leg Tension

Calculate sling tension and capacity from angle & mass:

Lifted Mass (kg)

Physical Sling Legs

Sling Angle from Horizontal (°)

Per-Leg WLL (kg)

Effective Load-Bearing Legs2 legs (angle factor: 1.155×)

Chart Utilization

% of WLL

Current Total Load

Max Rated Load

0%90%100%130%

—enter a positive WLL

Max Permitted Load

Calculate allowable load given safety threshold:

Do not exceed %

WLL (T)

Minimum WLL Required

Find minimum capacity rating needed for your load:

Load + Rigging (T)

Do not exceed %

Capacity & Engineering Calculations