Cleave Books
Conversion Calculator for Units of
PRESSURE & STRESS
Type in size . . .
select units . . .
pascals
millibars
bars
atmospheres
inches of water
inches of mercury
feet of water
pounds/sq.inch
pounds/sq.foot
tons(UK)/sq.foot
tons(US)/sq.foot
pascals
kilopascals
megapascals
mm of water
mm of mercury
kg/sq.cm
tonnes/sq.m
newtons/sq.cm
newtons/sq.m
kilonewtons/sq.m
then press
Else
Values are shown to . . .
3
4
5
6
7
8
9
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 / cm
^{2}
pound / inch
^{2}
[psi]
***
tonnes / m
^{2}
pounds / foot
^{2}
newtons / cm
^{2}
tons(UK) / foot
^{2}
newtons / m
^{2}
tons(US) / foot
^{2}
kilonewtons / m
^{2}
* 'mm of water' are same value as kg/m
^{2}
** 'mm of mercury' are also known as 'torrs'
*** tonnes/m
^{2}
are same value as 'metres of water'
**** The 'atmosphere' is absolute.
The 'pound', 'kg', 'ton', etc are all units of force NOT mass.
Unit shown in
red
is the SI 'preferred' unit.
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.
A note on
Format and Accuracy
is available.
There are also some
Background Notes on Pressure
Go to the
Dictionary of Units
OR the
Calculator Menu
©
FT
2004
Version 1.4