Range & Endurance Analysis
Estimate ideal cruise range and loiter endurance with the Breguet equations. Inputs use weight in any consistent force or mass unit because only the weight ratio enters the equation.
Target fuel fraction
Breguet fuel check
Available fuel is compared with the fuel fraction required by the target range and endurance.
Log weight term
ln(1.333)
0.288
Range factor
23,460 km
per log weight ratio
Endurance factor
28.33 hr
per log weight ratio
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.