Unit converter
Pick what you want to convert. Type in any box and the others follow.
Distance
Nautical miles, kilometres, statute miles, metres and feet.
Speed
Knots, km/h, mph and metres per second.
Altitude
Feet, metres and flight levels.
Vertical speed
Feet per minute and metres per second.
Pressure
QNH in hectopascals, inches and millimetres of mercury, and psi.
Temperature
Celsius, Fahrenheit and Kelvin.
Weight
Kilograms, pounds and tonnes.
Volume
Litres, US gallons and imperial gallons.
Fuel volume ↔ weight
Litres and gallons to kilograms and pounds for Jet A-1, Avgas or your own density.
Coordinates
Decimal degrees, degrees-minutes and degrees-minutes-seconds.
Reciprocal heading
The opposite heading, course or radial (±180°).