CG Calculator
CG Calculator – Online Center of Gravity Calculator with Visual Beam
The CG Calculator (Center of Gravity Calculator) is a powerful, interactive online engineering tool designed to calculate the exact center of gravity position for systems involving multiple point loads. This calculator is especially useful for mechanical engineering, civil engineering, aerospace applications, physics problems, and structural analysis.
By entering the weights and their respective distances from a reference point (datum), users can instantly determine the combined center of gravity, along with a real-time visual beam diagram that clearly illustrates load positions and CG location.
What Is Center of Gravity (CG)?
The Center of Gravity (CG) is the point where the entire weight of a body or system is considered to act. In engineering and physics, CG plays a crucial role in:
- Load balancing
- Structural stability
- Mechanical design
- Aircraft weight distribution
- Beam and lever analysis
Correct CG calculation ensures safety, efficiency, and optimal performance in real-world applications.
Features of This CG Calculator Tool
✔ Instant CG Calculation using standard moment equations
✔ Visual Beam Representation for intuitive understanding
✔ Multiple Weights Support (W1, W2)
✔ Adjustable Reference Length (Datum)
✔ Live Result Updates without page reload
✔ Mobile-Responsive Compact Design
✔ Ideal for Exams, Projects & Practical Engineering Use
How the CG Calculator Works
The calculator uses the moment method, a standard physics and engineering formula:
Center of Gravity (CG) = (Σ Weight × Distance) ÷ Σ Weight
Inputs Required:
- Weight 1 (W1) and its position (L1)
- Weight 2 (W2) and its position (L2)
- Total Beam Length (for visual scaling)
Outputs Provided:
- Total Weight
- Exact CG Position from Datum
- Graphical CG Indicator on Beam
Who Should Use This CG Calculator?
This online CG calculator is ideal for:
- Mechanical Engineering Students
- Civil & Structural Engineers
- Aerospace & Automotive Designers
- Physics Students
- Polytechnic & Diploma Students
- Competitive Exam Aspirants (GATE, IES, SSC JE)
- Teachers & Trainers
Advantages of Using an Online CG Calculator
- Eliminates manual calculation errors
- Saves time during problem solving
- Improves conceptual clarity with visuals
- Perfect for practical labs and assignments
- Useful for real-time design validation
Applications of Center of Gravity Calculation
- Beam load analysis
- Aircraft weight and balance
- Vehicle stability checks
- Crane and lifting operations
- Structural safety analysis
- Robotics and mechanical assemblies
Why This CG Calculator Is Better
Unlike basic CG calculators, this tool offers dynamic visualization, compact UI, and instant responsiveness, making it one of the best free CG calculators online for students and professionals.
Frequently Asked Questions (FAQ) – CG calculator
- Q1. What is CG in engineering?
CG is the point where the total weight of a system acts. - Q2. Can I calculate CG for two loads?
Yes, this calculator is optimized for dual-load CG calculation. - Q3. Is this CG calculator accurate?
Yes, it uses standard moment equations accepted worldwide. - Q4. Is this tool free to use?
Yes, it is 100% free and browser-based. - Q5. Can this be used for exam preparation?
Absolutely, it is ideal for engineering and physics exams.
Conclusion: CG calculator
This CG Calculator with Visual Beam Representation is a must-have tool for anyone dealing with load distribution and balance analysis. Whether you are a student, engineer, or educator, this calculator simplifies complex CG calculations into an easy-to-understand and visually engaging experience.
Use this tool to calculate smarter, learn faster, and design better.
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