Flight Fuel Burn Calculator
Estimate flight fuel burn from pilot-entered data.
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What this tool does
Estimate flight fuel burn from pilot-entered data. Constant burn rate only; verify climb, taxi, unusable fuel, actual winds and legal reserve requirements separately.
How to use the Flight Fuel Burn Calculator
- Enter or select fuel burn (us gal/hour).
- Enter or select flight time (hours).
- Enter or select reserve time (minutes).
- Enter or select taxi/contingency fuel (us gal).
- Read the calculated result; change any measurement to compare alternatives.
Formula
fuel required=burn rate×(flight hours+reserve minutes/60)+extra fuel
- rate
- Fuel burn (US gal/hour)
- time
- Flight time (hours)
- reserve
- Reserve time (minutes)
- extra
- Taxi/contingency fuel (US gal)
Constant burn rate only; verify climb, taxi, unusable fuel, actual winds and legal reserve requirements separately.
Worked example
For flight fuel burn calculator, the following measurements illustrate the exact method: Fuel burn (US gal/hour): 9; Flight time (hours): 2; Reserve time (minutes): 45; Taxi/contingency fuel (US gal): 2.
Inputs
- Fuel burn (US gal/hour)9
- Flight time (hours)2
- Reserve time (minutes)45
- Taxi/contingency fuel (US gal)2
Result
- Fuel required (US gallons)26.75
- Flight fuel (US gallons)18
Results explained
- Fuel required (US gallons)
- Fuel required (US gallons) from the formula above. Constant burn rate only; verify climb, taxi, unusable fuel, actual winds and legal reserve requirements separately.
- Flight fuel (US gallons)
- Flight fuel (US gallons) from the formula above. Constant burn rate only; verify climb, taxi, unusable fuel, actual winds and legal reserve requirements separately.
Frequently asked questions
fuel required=burn rate×(flight hours+reserve minutes/60)+extra fuel
Constant burn rate only; verify climb, taxi, unusable fuel, actual winds and legal reserve requirements separately.
No. Verify every result against the aircraft's official Pilot's Operating Handbook, current weather and official flight-planning information before flight.
Use current aircraft-specific records, approved POH data and official weather. Generic defaults are not approved aircraft limits.
No. You must supply current verified conditions; calculations are entirely local.