Online E6B Computer / E6B Emulator - E6BT Aviation Calculators

World’s most popular E6B Calculator, aka CR, CRP-5

FLIGHT PLANNING TOOLKIT

E6B Calculator

2.0

Plan your heading, check performance, and convert units in one place.

Course, Ground Speed & Wind Correction

True Course (°) True Air Speed (kt) True Wind Direction FROM (°) Wind Speed (kt) Variation (°) (+E, −W)

Wind Correction Angle—° —

True Heading—°

Magnetic Heading—°

Ground Speed— kt

Head/Tailwind—

Crosswind— kt —

Air vectorGround vectorWind vector

Wind Direction & Speed (Inverse)

True Heading (°) True Course (°) TAS (kt) GS (kt)

Wind Direction FROM—°

Wind Speed— kt

Flight Time for Distance & GS

Distance (NM) Ground Speed (kt)

Flight Time—

Crosswind Calculator

Use the same reference for runway and wind directions: both true or both magnetic.

Runway Heading (°) Wind Direction FROM (°) Wind Speed (kt)

Crosswind— kt —

Head/Tailwind—

True Airspeed (from CAS)

Correct IAS for instrument and position error using your aircraft handbook to obtain CAS. Subsonic compressibility is included.

Indicated Altitude (ft) Altimeter Setting (inHg) Outside Air Temp (°C) Calibrated Airspeed (kt)

Pressure Altitude—

ISA Temp—

True Air Speed—

Calibrated Airspeed (from TAS)

Pressure Altitude (ft) Outside Air Temp (°C) True Air Speed (kt)

Calibrated Airspeed—

Density Altitude

Dry-air ISA model. Pressure altitude uses the approximate 1,000 ft per inHg correction.

Field Elevation (ft) Altimeter Setting (inHg) Outside Air Temp (°C)

Pressure Altitude—

ISA Temp—

Density Altitude—

Time – Speed – Distance

Choose what to calculate, then enter the other two values.

Calculate

Distance (NM) Speed (kt) Time (min)

Result—

Fuel Consumption

Trip consumption only; add taxi, contingency and required reserves separately.

Fuel Flow (US gal/hr) Flight Time (min)

Trip Fuel— US gal

Dewpoint

Air Temp Units Relative Humidity (%)

Dewpoint—

* Magnus approximation over water (−45 to +60 °C)

Relative Humidity

Air Temp Units Dewpoint (°C)

Relative Humidity—%

* Magnus approximation over water (−45 to +60 °C)

Reciprocal Heading

Heading (°)

Reciprocal—

VOR Radial & Bearing

Radial (FROM VOR, °) Bearing (TO VOR, °)

Radial ↔ Bearing: 180° apart.

Temperature

°F °C K

Distance

NM SM km m ft yd

Speed / Mach (ISA sea level)

Mach conversion assumes 15 °C. Local Mach varies with temperature.

kt mph kph fpm m/s Mach

Pressure

inHg mmHg hPa Pa atm psi

Area

mi² ft² in² km² m² acres hectares

Weight & Mass

kg g lb oz t st (UK)

Volume / Fuel

Fuel type*

*Presets use typical densities; adjust for temperature/batch as needed.

Liters US gal Imp gal lb kg t

Fuel Density

Avgas ≈ 0.72 kg/L (6 lb/US gal)

Time Breakdown

Hours + minutes + seconds = total seconds.

Hours Minutes Seconds

Total Seconds