Tsiolkovsky Rocket Equation
Calculate Tsiolkovsky Rocket Equation instantly with the exact formula and a worked example.
Tsiolkovsky Rocket Equation
Exhaust velocitym/s
Initial mass (with propellant)kg
Final mass (without propellant)kg
Δv
3,611.9184m/s
Mass ratio
3.333
Propellant fraction
70%
Specific impulse
305.9s
More about: Tsiolkovsky Rocket Equation
What it calculates
The “Tsiolkovsky Rocket Equation” calculator computes Δv in m/s from 3 parameters: exhaust velocity (m/s), initial mass (with propellant) (kg), final mass (without propellant) (kg).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Exhaust velocity = 3,000 m/s, Initial mass (with propellant) = 100,000 kg, Final mass (without propellant) = 30,000 kg the result is 3,611.92 m/s.
How to use
- Enter exhaust velocity, initial mass (with propellant) and final mass (without propellant) — each field above is adjustable with a slider.
- Δv (m/s) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Tsiolkovsky Rocket Equation calculated?
The Tsiolkovsky Rocket Equation calculator computes Δv (in m/s) from exhaust velocity, initial mass (with propellant), final mass (without propellant). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Tsiolkovsky Rocket Equation calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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