Mechanical & Civil Engineering
Hohmann Transfer Calculator
Compute the total delta-v and transit time for a Hohmann transfer orbit between two circular orbits.
Your inputs
Change any value to update the result instantly.
Total delta-v
3.8567 km/s
First burn delta-v
2.3995 km/s
Second burn delta-v
1.4572 km/s
Transit time
5.29 hr
Transfer semi-major axis
24,467.5 km
What this calculator does
Hohmann Transfer Calculator: Applies the standard aerodynamics or orbital-mechanics relationship so the force, efficiency or manoeuvre cost can be worked out from the flight inputs.
What your result means
The headline figure is the aerodynamic force, efficiency or manoeuvre cost implied by your flight inputs. Real vehicles carry additional losses and margins.
Formula and working
Δv1, Δv2 from vis-viva; t = π·√(a_t³/μ)
- 1
Collect the inputs
Initial orbit radius = 6,771 km; Final orbit radius = 42,164 km
- 2
Apply the formula
Δv1, Δv2 from vis-viva; t = π·√(a_t³/μ)
- 3
Result
Total delta-v = 3.8567 km/s
Frequently asked questions
Symbols and assumptions
- r1
- Initial orbit radius (km)
- r2
- Final orbit radius (km)
- • Standard-atmosphere and idealised flow or two-body orbital conditions are assumed.
- • Losses, gravity turn, atmospheric drag and vehicle-specific effects are not modelled unless the page names them.
Sources and review
Reviewed 2026-09-22 · Next review 2027-09-22
- • This is an educational estimate for learning and checking, not a design deliverable.
- • Real design must follow the governing code or standard for your jurisdiction and be reviewed and signed off by a qualified engineer.
- • Safety factors, load combinations and material certification are the responsibility of the designer, not of this page.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Report a mistake or request an improvement
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