Universal Gravitation Calculator
Calculate gravitational force between two masses.
Universal Gravitation measurements
Enter your values, then calculate.
Result
How to calculate universal gravitation
This calculator finds gravitational force between two masses using Newton's law of universal gravitation.
How the calculation works
Force = G × (Mass 1 × Mass 2) ÷ Separation², where G is the gravitational constant (6.6743×10⁻¹¹ N·m²/kg²).
Example
Two 1,000 kg masses separated by 10m: 6.6743e-11×(1,000×1,000)÷100 = 6.6743e-11×1,000,000÷100 ≈ 6.67×10⁻⁴ N (an extremely small force, illustrating how weak gravity is at everyday mass scales).
Frequently asked questions
How is Result calculated?
Result = 0 × [Mass 1] × [Mass 2] ÷ ([Separation] × [Separation]).
Is the Universal Gravitation Calculator free to use?
Yes — every calculator on Simple Calculator Tools is free, runs in your browser, and does not require an account.
Universal Gravitation Calculator
Force = G × (Mass 1 × Mass 2) ÷ Separation², where G is the gravitational constant (6.6743×10⁻¹¹ N·m²/kg²).
Let's understand your universal gravitation result.
Calculate a result above and this guide will help you interpret it using this calculator's own formula and explanation.
Pro Tips for Universal Gravitation
- Gravitational force decreases with the square of separation distance, so doubling distance reduces force to one-quarter, not one-half.
- This everyday-scale example shows why gravitational attraction between ordinary objects is imperceptibly small — it only becomes significant with astronomically large masses like planets and stars.
Common Universal Gravitation Mistakes to Avoid
- Forgetting that separation is squared in the denominator, leading to underestimating how quickly gravitational force weakens with increasing distance.
When to Use This Calculator
This calculator finds gravitational force between two masses using Newton's law of universal gravitation.