Aviation Calculators
Flight-planning and learning calculators for pilots and student pilots.
Planning and learning aids only. Always use the aircraft POH/AFM, current weather, charts, NOTAMs and approved operational data for flight decisions.
Planning & Fuel
▣Flight Time CalculatorCalculate en-route time from distance and groundspeed.▣Aviation Fuel Required CalculatorCalculate trip fuel from flight time, burn rate and reserve.▣Fuel Endurance CalculatorCalculate endurance from usable fuel and fuel burn rate.▣Aircraft Range CalculatorEstimate range from endurance and groundspeed.▣Top of Descent CalculatorEstimate top-of-descent distance using the common 3-to-1 rule.▣Climb Time CalculatorCalculate climb time from altitude gain and rate of climb.
Wind & Navigation
Altitude & Performance
▣Pressure Altitude CalculatorEstimate pressure altitude from field elevation and QNH.▣Density Altitude CalculatorEstimate density altitude from pressure altitude and temperature.▣Rate of Descent CalculatorCalculate vertical speed for a selected descent angle and groundspeed.▣Climb Gradient CalculatorConvert ft/NM climb gradient to required climb rate.▣Glide Distance CalculatorEstimate theoretical glide distance from height and glide ratio.
Weather & Reference
▣Cloud Base CalculatorEstimate cloud base from surface temperature and dew point spread.▣ISA Temperature CalculatorEstimate ISA temperature at pressure altitude.▣Flight Level To Feet CalculatorConvert a flight level to pressure altitude in feet.▣Feet To Flight Level CalculatorConvert pressure altitude in feet to a flight level.