Metric		Pascal
			Millibar
			Kilopascal
			Bar
	Mercury		Inch of mercury
			Centimeter of mercury
			Millimeter of mercury
	Water		Inch of water
			Centimeter of water
			Foot of water
	Other		Pound per square foot
			Pound per square inch (psi)
			Standard atmosphere
			Torr (1 kgf/cm-cm)
			Technical atmosphere (1 kgf/cm-cm)