Free fuel calculator
Online aviation fuel calculator for trip fuel, reserve, and range
Use the aviation fuel calculator to estimate trip fuel, reserve fuel, remaining endurance, alternate fuel, final reserve, and range.
Enter at least two valid values.
Pilot Kit
Download the app for full flight planning tools
Save airports and recent results, and keep the full flight calculation set available offline in the app.
Related calculators
Browse dedicated aviation calculators by task
Open a dedicated calculator page for wind, fuel, time, crosswind, density altitude, climb and descent planning, turn performance, or aviation unit conversion.
Solve heading, wind correction angle, and groundspeed from course, TAS, and wind.
Solve time, speed, or distance for a flight leg with pilot-friendly units.
Plan flight fuel, reserve, endurance, and range in one aviation fuel page.
Analyze pressure altitude, density altitude, wind, and runway margin for takeoff or landing.
Calculate pressure altitude and density altitude for takeoff and landing planning.
Check crosswind and headwind components for a runway heading and surface wind.
Work out climb or descent distance, gradient, angle, vertical speed, and time.
Calculate bank angle, rate of turn, turn radius, and full-turn time.
Add, subtract, multiply, and divide time values in simple or advanced formats.
Convert distance, speed, altitude, fuel, time, pressure, and weight for flight planning.