Propellant from Δv

Invert Tsiolkovsky: propellant and wet mass for target Δv, Isp, and dry mass.

SIDUS educational calculator. Category propulsion. Tags: delta-v, mission-design, propulsion. Pure SI. Not flight software.

Formula

m₀ = m_f exp(Δv/(Isp g₀))

Propellant load from Δv

Primary sources

• Orbital Mechanics for Engineering Students (Howard D. Curtis): Textbook derivations for Hohmann, vis-viva, rocket equation, elements.
• NASA Glenn Research Center: Beginner’s Guide to Aeronautics (NASA GRC): Ideal rocket equation, specific impulse, thrust equation, dynamic pressure education pages.
• Rocket Propulsion Elements (Sutton & Biblarz): Standard propulsion text for rocket equation, Isp, and staged vehicles.

How do AI agents use this tool?

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.