Shackle Size Calculator – Select the Right Shackle Size

Load & Configuration

Load Weight ?

Weight Unit

Safety Factor ?

No. of Legs / Shackles ?

Hitch Type Basket doubles capacity; choker reduces to 80%

Sling Angle (from vertical) ?

Custom angle in degrees (0–85°). Max recommended: 60°

Vertical 0° – No increase

Shackle Type Bow handles side loading; Dee is for in-line pulls only

Imperial (in) Metric (mm)

Recommended Shackle Size

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Specifications

Always verify with manufacturer specifications for critical lifts. This calculator provides estimates based on standard alloy shackle data.