Conversion Calculator for Units of
PRESSURE & STRESS
Type in size . . .
select units . . .
 then press
Else
Values are shown to . . . significant figures.
millibars [= hPa]
pascals [Pa]
bars
kilopascals [kPa]
atmospheres****
megapascals [MPa]
inches of water
*mm of water
inches of mercury
**mm of mercury
feet of water
kg / cm2
pound / inch2 [psi]
***tonnes / m2
pounds / foot2
newtons / cm2
tons(UK) / foot2
newtons / m2
tons(US) / foot 2
kilonewtons / m2
* 'mm of water' are same value as kg/m2
** 'mm of mercury' are also known as 'torrs'
*** tonnes/m2 are same value as 'metres of water'
**** The 'atmosphere' is absolute.
The 'pound', 'kg', 'ton', etc are all units of force NOT mass.
Very large and very small numbers appear in e-Format and are unspaced.
Unvalued zeros on all numbers have been suppressed.

Caution
NO guarantee as to the accuracy of these values is given.
And they should be checked against some other source.