Pièze

The pièze (French: [pjɛz]) is the unit of pressure in the metre–tonne–second system of units (mts system), used, e.g., in the former Soviet Union 1933–1955. It is defined as one sthène per square metre. The symbol is pz.^[1]

one pièze	=	1	kilopascal
	=	10	millibars
	≈	9.869×10−3	standard atmospheres
	≈	7.501	torrs
	≈	0.1450	pounds per square inch
	≈	0.2953	inches of mercury

pièze
Unit system	Metre–tonne–second system of units
Unit of	Pressure
Symbol	pz
Derivation	1 pz = 1 sn/m2
Conversions
1 pz in ...	... is equal to ...
MTS base units	m−1⋅t⋅s−2
SI units	1 kPa
English Engineering Units	0.1450377 psi

References

1. François Cardarelli (2003). Encyclopaedia of Scientific Units, Weights and Measures: Their Si Equivalences and Origins (3rd ed.). Springer. p. 724. ISBN 9781852336820.