Sky DutyFREE TOOL
Free Online E6B Flight Computer
Fuel weight conversions, temperature conversions, and unit conversions for pilots. Jet fuel, avgas, and diesel.
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The Sky Duty iOS app includes the full E6B calculator plus scheduling, logbook, maintenance, and expense tracking. All available offline.
FAQ
Frequently Asked Questions
What is an E6B flight computer?
The E6B is a circular slide rule used by pilots for flight planning calculations. It computes fuel burn, wind correction, time-speed-distance, and unit conversions. This online calculator handles the most common E6B conversions digitally.
How do I convert fuel weight to volume?
Divide the weight by the fuel density. Jet-A weighs 6.7 pounds per gallon, Avgas 100LL weighs 6.0 pounds per gallon, and diesel weighs approximately 6.8 pounds per gallon.
What is the weight of jet fuel per gallon?
Jet-A fuel weighs approximately 6.7 pounds per US gallon (3.04 kg per liter) at standard temperature. This varies slightly with temperature — colder fuel is denser.
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Plus scheduling, logbook, maintenance, and expense tracking. All in one offline-first iOS app.