MARINE
Anchor Chain Calculator
Chain length · Scope ratio · Depth · Holding capacity · Windlass torque · Chain weight
chain sizing
load capacity
Vessel & anchor parameters
kg
Total vessel weight (light ship + load)
m
Depth from water surface to seabed
m
Distance from waterline to bow roller
:1
Chain length : depth ratio (recommended 5-7:1)
mm
Chain link diameter
factor
Chain formulas
- L_c = (D + F) × Scope chain length (m)
- W_c = 0.021 × d² chain weight (kg/m)
- H = 9.81 × (0.7 × W × Scope) holding capacity (N)
Chain length
90
m
Chain weight
227
kg
Holding capacity
12.8
kN
Anchor scope
Chain
Depth
Bow
Scope: 5.0:1
Anchor details
Total depth
18.0
m
Chain per meter
2.52
kg/m
Chain links
250
links
Safety factor
4.2
×
Chain & holding analysis
recommended
Chain length
90 m
Holding capacity
12.8 kN
Chain weight
227 kg