Conversion Tables

Distance

Unit	Name	Conversion
m	Meter
km	Kilometer	= 1000 m
ft	Feet	= 0.3048 m
nm	Nautical Mile	= 1852 m
mi	Mile	= 1609.344 m

Altitude

See distance units

Speed

Unit	Name	Conversion
m/s	Meter per Second
ft/s	Feet per Second	= 0.3048 m/s
ft/min	Feet per Minute	= 0.00508 m/s
km/h	Kilometer per Hour	= 0.277778 m/s
kts Knot	= 0.514444 m/s

Vertical Speed

See speed units

Weight

Unit	Name	Conversion
kg	Kilogram
lb	Pound	= 0.453592 kg
t	Tonne	= 1000 kg

Thrust

Unit	Name	Conversion
N	Newton
lbf	Pound of Force	= 4.448221 N
pdl	Poundal	= 0.138255 N

Temperature

Unit	Name	Conversion
K	Kelvin
C	Celsius	°C = K - 273.15
F	Fahrenheit	°F = (K - 273.25) * 9/5 + 32

Pressure

Unit	Name	Conversion
Pa	Pascal
hPa	Hectopascal	= 100 Pa
bar	Bar	= 100000 Pa
mbar	Millibar	= 100 Pa
inHg	Inches of Mercury	= 3386.39 Pa
mmHg	Millimeters of Mercury	= 133.322387 Pa

Power

Unit	Name	Conversion
W	Watt
kW	Kilowatt	= 1000 W
hp	Horsepower	= 745.699872 W

Fuel Flow

Unit	Name	Conversion
kg/s	Kilogram per Second
kg/min	Kilogram per Minute	= 0.0166667 kg/s
lb/s	Pound per Second	= 0.453592 kg/s
lb/min	Pound per Minute	= 0.00756 kg/s

Emission Index

Unit	Name	Conversion
kg/kg	Kilogram per Kilogram
g/kg	Gram per Kilogram	= 0.001 kg/kg
lb/lb	Pound per Pound	= 1 kg/kg
oz/lb	Ounces per Pound	= 0.0625 kg/kg

Emissions Weight

Unit	Name	Conversion
kg	Kilogram
g	Gram	= 0.001 kg
lb	Pound	= 0.453592 kg

Other

Doc29 Performance Aerodynamic Coefficients

B Coefficient

Unit	Name	Conversion
m/N	Meter per Newton
ft/lbf	Feet per Pound of Force	= 0.0685218 m/N

C and D Coefficients

Unit	Name	Conversion
m/s/sqrtN	Meter per Second per Square Root of Newton
kt/sqrtlbf	Knot per Square Root of Pound of Force	= 0.243919 m/s/sqrt(N)

Doc29 Performance Thrust Coefficients

E Coefficient

Unit	Name	Conversion
N	Newton
lbf	Pound of Force	= 4.448221 N
pdl	Poundal	= 0.138255 N

F Coefficient

Unit	Name	Conversion
N/m/s	Newton per Meter per Second
lbf/kt	Pound of Force per Knot	= 8.64665 N/m/s

G_A Coefficient

Unit	Name	Conversion
N/m	Newton per Meter
lbf/ft	Pound of Force per Meter	= 14.5939 N/m

G_B Coefficient

Unit	Name	Conversion
N/m2	Newton per Meter2
lbf/ft2	Pound of Force per Square Meter	= 47.880251 N/m2

H Coefficient

Unit	Name	Conversion
N/K	Newton per Kelvin
lbf/C	Pound of Force per Degree Celsius	= 4.448221 N/K

P_P Coefficient

Unit	Name	Conversion
W	Watt
kW	Kilowatt	= 1000 W
hp	Horsepower	= 745.699872 W

SFI Coefficients

α, β₁, β₂, K₁ and K₂ Coefficients

Unit	Name	Conversion
kg/s/N	Kilogram per Second per Newton
kg/min/kN	Kilogram per Minute per Kilonewton	= 16.666667 kg/s/N

K₃ Coefficient

Unit	Name	Conversion
kg/s/N/m	Kilogram per Second per Newton per Meter
kg/min/kN/ft	Kilogram per Minute per Kilonewton per Feet	= 54.680665 kg/s/N/m

K₄ Coefficient

Unit	Name	Conversion
kg/s/N/N	Kilogram per Second per Newton per Newton
kg/min/kN/lbf	Kilogram per Minute per Kilonewton per Pound of Force	= 3.746816 kg/s/N/N