Load Weights
Estimate load weights for various shapes based on dimensions and material type.
Load Weights
Rigging App
The Rigging Calculator app helps riggers, crane operators, and safety pros get results instantly.
- Load weight, sling tension & force/resistance calculations
- Input dimensions, sling lengths, heights, or angles
- Offline-ready — built for the field
- Safety warnings for extreme angles & invalid inputs
Force Multiplier
Rigging App is a rigging calculator app that acts as a force multiplier — It doesn’t replace your expertise — it amplifies it.
With every calculation, it removes the guesswork. With every input, it transforms measurements into actionable data. And with every use, it sharpens both seasoned riggers and new learners alike.
Multiply Safety
Ensure every lift meets safety standards.
Alerts and warnings are built-in to help prevent mistakes and keep your team safe.
Multiply Mastery
Master Rigging Math Instantly.
Complex concepts like sling tension are simplified, turning beginners into confident operators faster.
Multiply Confidence
Built for rigging pros who can't afford mistakes.
Warnings for extreme angles or incorrect inputs reinforce correct rigging habits in real-time.
Multiply Efficiency
Calculations in seconds, not minutes.
Perform sling tensions, load weights, and angle checks in seconds — no manual math required.
Multiply Expertise
From learning to leading — faster than ever.
Users gain real-world rigging knowledge through interactive tools, not lectures or manuals.
Multiply Dollars
Cut training costs without cutting corners.
Even those without a math background can complete rigging calculations with confidence.
Features
This app puts essential rigging calculators and tools at your fingertips — helping you plan lifts, calculate loads, and verify sling tensions with speed and confidence. Designed for field use, it simplifies the math so you can focus on safe, efficient lifting.
Sling Tension
Sling Tension
Computes sling tensions from load, angle, and setup to prevent overloads and ensure safe lifts.
Force
Force
Calculates lifting and pulling forces for level or sloped surfaces.
Input Validation
Input Validation
Automatically checks for impossible or illogical entries, ensuring your calculations make sense.
Angle Warnings
Angle Warnings
Identify unsafe sling angles instantly. Built-in checks highlight when configurations exceed recommended limits.
Standard/Metric
Standard/Metric
Enter measurements in feet/inches or metric units. The app converts and calculates in either system.
Offline
Offline
Use the app without an internet connection once logged in — perfect for jobsite conditions.
Pricing
Pick the plan that matches your goals—from Free to Enterprise, with custom options available.”
Free
Free access to essential load weight calculations.
$0
What's included:
- Load Weight Calculations
- Feet & Inches/Metric
- Unit Weight Charts
- No Login Required
- Sling Tension
- Force
Individual
Full access: every calculator, every feature, every lift.
$10
/month
What's included:
- Load Weight Calculations
- Feet & Inches/Metric
- Unit Weight Charts
- Input & Configuration Warrnings
- Sling Tension
- Force
- No Login Required
Best Deal for Business
Teams
Rigging calculations for teams of any size.
$X
/year per member
What's included:
- Offline Access*
- Load Weight Calculations
- Feet & Inches/Metric
- Unit Weight Charts
- Input & Configuration Warrnings
- Sling Tension
- Force
- Login Required
Enterprise
Custom Fit for Your Company’s Needs
Custom price
- Built - to - Order Features
- Custom Rigging Calculations
- Company ‐ Specific Charts
- Branded Interface
- Team Training & Support
- Flexible Pricing — Based on Your Needs
- Offline, No Logins
* Must be logged in to access offline features.
Contact
Contact us for support, guidance, or custom solutions — whatever your need, for any reason, we’re here to help.
Address
PO Box 41011, Tucson, AZ 85711
Call Us
520-982-6200
Email Us
mark@marreropublishing.com