Engineering Guidance Tool

Advanced Lifting Sling Calculator

Physics-based load analysis and real-time 3D visualization to plan safer lifts, reduce risk, and document engineered lift plans with confidence.

3D VisualizationPhysics-Based CalculationsWireframe & PDF ReportsAngle & Load Guidance

How Do Sling Angles Affect Lifting Safety?

What Safety Factors Should You Use for Different Rigging Hardware?

How Do You Calculate Center of Gravity for Complex Loads?

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How accurate is Sling Calc's sling load calculator?
FAQ

Control Panel

📦Lifted Item Properties

0.5m20.0m
0.5m20.0m
0.5m10.0m

🏋️Lift Configuration

Wire Rope
Chain Grade 80
Chain Grade 100
Synthetic Webbing
Synthetic Roundsling

Puts the entire load on the S1/S3 diagonal per code guidance; S2 and S4 slack out.

🪝Hook Position

-1.50 m1.50 m
2.00 m20.00 m
-1.00 m1.00 m

Structure COG Offset

-1.50 m1.50 m
0.00 m1.50 m
-1.00 m1.00 m

👁️View Controls

Engineering Guidance Tool
This software provides engineering guidance for lifting analysis. All calculations must be verified by qualified personnel. Not for critical load calculations without professional engineering review.

Physics Load Analysis

Stability Status:STABLE (CENTERED)
Load Factor Applied:1
Factored Load:98.1 kN

Individual Sling Loads

Sling 1
NORMAL
Load:27.59 kN
Angle from Horiz:62.7°
Length:3.9 m
Sling 2
NORMAL
Load:27.59 kN
Angle from Horiz:62.7°
Length:3.9 m
Sling 3
NORMAL
Load:27.59 kN
Angle from Horiz:62.7°
Length:3.9 m
Sling 4
NORMAL
Load:27.59 kN
Angle from Horiz:62.7°
Length:3.9 m

Load Summary

Structure Weight:98.1 kN
Vertical Force Sum:98.1 kN
Equilibrium:100.0%
Force Error:±0.00 kN
Moment Arm:0.00 m
Tilt Angle:0.0°
Critical Offset:0.60 m
Max Sling Load:27.59 kN
Min Sling Load:27.59 kN
Geometric Load Analysis

Physics-based calculation using geometric approach with tilt angle θ = arctan(d/h). Detects instability when hook offset exceeds critical distance.

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