✈️ E6B Flight Computer
Density altitude, wind, fuel, TAS, conversions — all in one place
Density Altitude
True performance altitude based on temperature deviation from standard day
Airport Elevation (ft MSL)
Altimeter (inHg)
OAT
Unit
Pressure Altitude
—ft
Density Altitude
—ft
Std Temp at Pressure Alt
—°C
Temp Deviation
—
Pressure Altitude
Convert between indicated altitude + altimeter setting to pressure altitude
Indicated Altitude (ft)
Altimeter Setting (inHg)
Pressure Altitude
—ft MSL
Correction Applied
—ft
True Airspeed (TAS)
Convert indicated/calibrated airspeed to true airspeed for navigation
CAS / IAS (kts)
Pressure Altitude (ft)
OAT
Unit
True Airspeed
—kts
TAS in mph
—mph
TAS in km/h
—km/h
Mach Number
—
Mach Number
Calculate Mach number from TAS and temperature
TAS (kts)
OAT (°C)
Mach Number
—
Speed of Sound
—kts
Wind Correction & Groundspeed
Calculate heading correction and groundspeed given wind
True Course (°)
TAS (kts)
Wind From (°)
Wind Speed (kts)
True Heading
—°
Wind Correction Angle
—
Groundspeed
—kts
Crosswind / Headwind Component
Calculate runway crosswind and headwind components
Runway Heading (°)
Wind From (°)
Wind Speed (kts)
Headwind Component
—kts
Crosswind Component
—kts
Wind Angle Off Runway
—°
Tailwind
—kts
Fuel Burn Calculator
Calculate fuel required for a flight
Fuel Flow (GPH)
Flight Time (hrs)
Reserve (hrs)
Fuel Weight (lbs/gal)
Trip Fuel
—gal
Reserve Fuel
—gal
Total Required
—gal
Fuel Weight
—lbs
Liters Required
—L
Time-Speed-Distance
Solve for any one variable given the other two
Solve For
Distance (nm)
Groundspeed (kts)
Time (hrs)
Result
—
—
Temperature
°F ↔ °C ↔ K
Input Value
Input Unit
| Unit | Value |
|---|---|
| Celsius (°C) | — |
| Fahrenheit (°F) | — |
| Kelvin (K) | — |
Distance
nm ↔ sm ↔ km ↔ ft ↔ m
Input Value
Input Unit
| Unit | Value |
|---|---|
| Nautical Miles (nm) | — |
| Statute Miles (sm) | — |
| Kilometers (km) | — |
| Feet (ft) | — |
| Meters (m) | — |
Volume / Fuel
Gallons ↔ Liters ↔ Lbs (Avgas)
Input Value
Input Unit
Fuel Type
| Unit | Value |
|---|---|
| US Gallons | — |
| Liters | — |
| Pounds | — |
| Kilograms | — |
Weight
Lbs ↔ Kg ↔ Oz
Input Value
Input Unit
| Unit | Value |
|---|---|
| Pounds (lbs) | — |
| Kilograms (kg) | — |
| Ounces (oz) | — |
Pressure
inHg ↔ mb (hPa) ↔ PSI
Input Value
Input Unit
| Unit | Value |
|---|---|
| Inches Hg (inHg) | — |
| Millibars / hPa | — |
| PSI | — |
| Pascals (Pa) | — |