Hohmann Transfer Calculator

Eliot GeversEliot Gevers

Calculate the required delta-V (change in velocity) and transfer time for an efficient Hohmann transfer between two circular orbits around Earth. Assumes impulsive burns and coplanar orbits. Calculate the required delta-V (change in velocity) and transfer time for an efficient Hohmann transfer between two circular orbits around Earth. Assumes impulsive burns and coplanar orbits.

Interactive Hohmann Transfer

Initial Orbit
Transfer Orbit
Final Orbit
Burn Points
Move your cursor to explore all orbits. Hover near any orbit to see details.

Hover over the orbit visualization to see details

Open Source & Transparent

This tool is open source and the underlying logic is fully transparent. You can view the source code, understand the calculations, and even contribute improvements to make it better for everyone.

View Source Code