Angular Velocity Calculator
Average angular velocity = angular displacement / time.
Open toolEscape Velocity Calculator
Escape speed = √(2GM/r). Newtonian isolated spherical body, without drag, rotation or other gravitating bodies.
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Enter the inputs, then select Calculate.
Your result
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Result will appear here
How Escape Velocity Calculator works
Escape speed = √(2GM/r).
Newtonian isolated spherical body, without drag, rotation or other gravitating bodies. G = 6.67430 × 10⁻¹¹. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Mass inputs support up to 10⁴⁰ kg to include astronomical examples.
How to use Escape Velocity Calculator
Follow the labelled inputs.
Enter central body mass (kg)
Replace the example with central body mass (kg). The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
Set distance from its centre (m). Newtonian isolated spherical body, without drag, rotation or other gravitating bodies.
Tool result
Run, review and save
Select Calculate. Review the calculated result, then copy it or download the result text.
Review the details
Examples and uses for Escape Velocity Calculator
Check the supplied example
The starting example produces 0.115536141532 m/s. Escape speed = √(2GM/r).
Use your own inputs
Read the labels for central body mass (kg) and distance from its centre (m). Newtonian isolated spherical body, without drag, rotation or other gravitating bodies.
Record a reviewed result
Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.
How to read the result
Read the units and assumptions with the output.
Escape speed = √(2GM/r).
Newtonian isolated spherical body, without drag, rotation or other gravitating bodies. G = 6.67430 × 10⁻¹¹. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Mass inputs support up to 10⁴⁰ kg to include astronomical examples.
Supported input and limits
Check the stated scope before you run it.
Newtonian isolated spherical body, without drag, rotation or other gravitating bodies. G = 6.67430 × 10⁻¹¹. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Mass inputs support up to 10⁴⁰ kg to include astronomical examples.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolEscape Velocity Calculator: common questions
Answers about using Escape Velocity Calculator and understanding its results.
What assumptions and input limits apply?
Newtonian isolated spherical body, without drag, rotation or other gravitating bodies. G = 6.67430 × 10⁻¹¹. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Mass inputs support up to 10⁴⁰ kg to include astronomical examples.
How can I save the output?
Use Copy result to copy the displayed text, or Download to save it as a text file. The tool runs in your browser and does not require an account.
Calculate with your input
Check the calculated result, then copy or download it.