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Pressure
	unit	code	abbreviation		conversion factor/Pa
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	Torque
		unit	code		notes
		newton metre	N·m (N.m)		Use N·m or N.m to get the mid-dot.
			Nm
	Torque conversions can go to and from the following units. foot-poundal foot-pound force inch-pound force inch-ounce force Codes, abbreviations and conversion factors (but to N·m in this case) are the same as with the corresponding energy units as listed above.
	Fuel efficency
		unit	code (alternative)		notes		combinations
		kilometres per litre	km/l (km/L)		Use km/L to get "km/L"		km/l mpgimp km/l mpgus
		litres per 100 kilometres	l/100 km (L/100 km)		Use L/100 km to get "L/100 km"		l/100 km mpgimp l/100 km mpgus
		litres per kilometre	l/km (L/km)		Use L/km to get "L/km"		l/km impgal/mi l/km usgal/mi
		miles per imperial gallon	mpgimp				mpgimp mpgus
		miles per US gallon	mpgus (mpgUS, mpgU.S.)		Use mpgUS to get "US" Use mpgU.S. to get "U.S." mpgus will give "U.S." if spelling is set to US & "US" otherwise		mpgus mpgimp
		imperial gallons per mile	impgal/mi				impgal/mi
		US gallons per mile	usgal/mi (USgal/mi, U.S.gal/mi)		As above with the us vs US vs U.S.		usgal/mi
	The mpgUS, mpgU.S., USgal/mi vs U.S.gal/mi, km/L, L/100 km and L/km variants work within combinations also (making 36 combinations in total).
Power
Watts, kilowatts, milliwatts, etc. are supported. As is horsepower (English & metric). Use standard abbreviations as input code.
Density
	unit	code (alternative)		notes		combinations
	inhabitants per square kilometre	PD/sqkm		PD stands for population density, i.e. humans (inhabitants)		PD/sqkm PD/sqmi
	per square kilometre	/sqkm		Used when the word 'inhabitants' would be inappropriate.		/sqkm /sqmi
	inhabitants per hectare	PD/ha				PD/ha PD/acre
	per hectare	/ha				/ha /acre
	inhabitants per square mile	PD/sqmi		PD stands for population density, i.e. humans (inhabitants)		PD/sqmi PD/sqkm
	per square mile	/sqmi		Used when the word 'inhabitants' would be inappropriate.		/sqmi /sqkm
	inhabitants per acre	PD/acre				PD/acre PD/ha
	per acre	/acre				/acre /ha