Field Calculation Aid — Verify Critical Results

Use LoadCalc at your own risk. Independently verify critical inputs, geometry, calculations, load paths, and equipment ratings before use. LoadCalc is not a substitute for qualified rigging knowledge, required engineering, current manufacturer data, applicable standards, or site procedures.

Rigging Knowledge Base

Rigging Tips & Guides

Free practical guides on rigging math, lift planning, and equipment selection. Written by riggers, for riggers.

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Put these concepts into practice with our free rigging calculators.

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Rigging Tips & Guides

What Is Load Angle Factor and Why Does It Matter?

2-Leg vs. 4-Leg Bridle: Which Should You Use?

Vertical, Choker, and Basket: Sling Hitches Explained

How to Estimate Load Weight in the Field

Connecting Rings and Master Links: When Do You Need One?

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