Escape Velocity Calculator
Find the speed needed to escape a planet's gravity. The result updates as you type, with the working underneath so you can check it.
Your details
Result
Escape velocity
11.186 km/s
- In m/s
- 11,186
- In km/h
- 40,269.5
Good to know: v = √(2GM ÷ r)
Please note: For study and planning. Check calculations independently before using results with chemicals, electricity, pressure or machinery, and follow safety data sheets, manufacturer instructions and local regulations.
About this tool
Formula
v = √(2GM ÷ r)
Questions people ask
What is Earth's escape velocity?
About 11.19 km/s (40,270 km/h) from the surface, ignoring air resistance.
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
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