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Crane Selector (Formula)

Crane Selector (Formula)

Crane
1 / 5
required capacity
--tons
--
recommended (+10t)
--tons
+10t
For accurate crane selection based on manufacturer load charts, use the Crane Selector (Load Chart) calculator.
load weight
5.0tons
any positive value
radius
8.0meters
any positive value
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Formula Guide

Required = MAX( (Weight ÷ 2) × Radius , 20 tons )
Load Weight
Weight of the load in tons
Radius
Distance from crane center in meters

Calculation Steps:

  • Step 1: Raw = (Weight ÷ 2) × Radius
  • Step 2: Required = MAX(Raw, 20 tons)
  • Step 3: Recommended = Required + 10 tons
Minimum 20 tons for safety. Recommended includes 10-ton safety margin.