Distance
Conversions between common aviation distance units
Feet to Meters
1 ft = 0.30 m
Nautical Miles to km
1 NM = 1.85 km
Inches to cm
1 in = 2.54 cm
Miles to km
1 mi = 1.61 km
Speed
Conversions for airspeed units
Knots to Kilometers per hour
1 kt = 1.85 km/h
Knots to Miles per hour
1 kt = 1.15 mph
Volume & Mass
Conversions for fuel volumes and weights based on Cessna 172
US Gallons to Pounds (fuel)
1 USG = 6.01 lb
Pounds to Kilograms
1 lb = 0.45 kg
US Gallons to Liters
1 USG = 3.79 L
Liters (fuel) to Kilograms (fuel)
1 L = 0.72 kg
Air Pressure
Conversions between hPa and inHg
hPa to inHg
1 hPa = 0.03 inHg