Nhwɛdo:Convert/list of units/extra

Pressure
(Full list)

	unit	unit- code		symbol or abbrev.		sample default conversion

Fuel efficiency

	unit	unit- code			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).

Population density

	unit	unit- code			notes		combinations
	inhabitants per square kilometre	PD/km2			PD stands for population density, i.e. humans (inhabitants)		PD/km2 PD/sqmi
	per square kilometre	/km2			Used when the word 'inhabitants' would be inappropriate.		/km2 /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/km2
	per square mile	/sqmi			Used when the word 'inhabitants' would be inappropriate.		/sqmi /km2
	inhabitants per acre	PD/acre					PD/acre PD/ha
	per acre	/acre					/acre /ha

Cost per unit mass

	unit	unit- code			notes		combinations
	dollars per pound	$/lb			"$" can mean US$, HK$, etc.		(none)
	dollars per kilogram	$/kg					(none)
	dollars per troy ounce	$/ozt			12 troy ounces in 1 troy pound		(none)