Crane Load Chart Calculator

Calculate crane lifting capacity based on boom length, radius, and load chart derating for mobile cranes.

Weight of the load to be lifted (including rigging).
kg
Horizontal distance from crane center to load.
m
Length of the crane boom.
m
Rated capacity from crane load chart at this radius/boom.
kg
Reduce capacity for wind. Calm: 1.0, Light: 0.95, Moderate: 0.85.

Results

Effective Capacity-kg
Load Utilization-%
Safety Margin-kg
Lift Assessment-
References: ASME B30.5 — Mobile Cranes; OSHA 1926.1417