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Multi-Stage Rocket Delta-v Calculator

Δv = Σ I_sp·g₀·ln(m₀/m_f) — Tsiolkovsky per stage.

Calculates total delta-v for a two-stage rocket from specific impulse, initial/final masses per stage, and standard gravity using the Tsiolkovsky rocket equation.

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Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Δv = I_sp·g₀·ln(m₀/m_f) per stage; Δv_total = Δv₁ + Δv₂

In depth

Calculates total delta-v for a two-stage rocket from specific impulse, initial/final masses per stage, and standard gravity using the Tsiolkovsky rocket equation.