[Conversion tables]

[Conversion tables]
mbar
abs.
torr
abs.
inch. Hg
vacuum
mmHg
vacuum
bar
vacuum
vacuum
%
0
0
0
0
760
1013,25
1000
1013,25
1000
5
500
10
500
0,5
15
500
50
500
20
25
26
100
27
100
Conversion table for vacuum units
mbar
abs
0,9
90
100
700
50
28
0,95
50
95
50
29
29,5
10
10
750
0,99
29,7
5
99
10
755
5
5
99,5
0,995
29,9
1
1.33
759
0,75
1
1,33
759,24
29,97
0,999
99,9
1
0,5
0,9995
0,5
99,95
0,5
29,99
0,1
0,133
759,86
0,075
0,1
0,133
0,9999
759,9
29,997
99,99
0,1
0,05
0,05
0,99995
0,05
99,995
29,999
0,0133
0,01
Conversion factors for pressure
units (absolute values)
3.00
759,98
0,0075
0,01
29,9997
0,0133
759,99
0,99999
= mbar
= bar
= torr
= inch. Hg
= psi
(Ibf/in2)
= atm
99,999
0,01
2
= Kg/cm = mm H2O = m H2O
(at)
= Pa
(N/m2)
mbar
x
1
10–3
0,75
2,95x 10–2
14,5 x 10–3
9,87 x 10–4
1,02 x 10–3
10,2
1,02 x 10–2
100,0
bar
x
1000,0
1
750,0
29,53
14,6
0,987
1,02
10197,0
10,19
100000
torr
x
1,33
1,33 x 10–3
1
3,94 x 10–2
1,93 x 10–2
1,316 x 10–3
1,359 x 10–3
1,359 x 10–3
133,32
inch. Hg
x
33,9
33,9 x 10–3
25,4
1
0,491
3,34 x 10–2
3,45 x 10–2
0,345
3386,0
10–2
10–2
10–2
2
psi (lbf/in )
x
68,9
atm
x
1013,25
Kg/cm2 (at)
x
9,81
mm H2O
x
9,81 x 10–2
m H2O
x
2
Pa (N/m )
x
98,067
0,01
6,89 x
51,7
2,04
1
1,013
760,0
30,0
14,696
0,981
7356
9,81 x 10–5 7,35 x 10–2
9,81 x
10–2
10–5
73,5
7,5 x
10–3
6,8 x
1
7,03 x
13,59
345,0
703
0,703
6897
1,033
10332
10,332
101325,0
28,96
14,2
0,968
1
10000
10
98067,0
2,89 x 10–3
1,42 x 10–3
9,67 x 10–5
10–4
1
10–3
9,8067
10
10000
1
9806,7
2,89
2,95 x
Example: to convert 10 mbar into Torr = 10 x 0,75 = 7,5 Torr
10–4
1,42
1,45 x
10–4
9,67 x
10–2
9,87 x
10–6
1,02 x
10–5
0,102
1,02 x
10–4
1
[Comparison and conversion tables
for pressures and capacities]
Comparison table of pressure
units
Tabella comparativa delle unità di misura della pressione
S.I. Units (International System)
1 mbar
=
100,0
Pa
1,0
mbar
0,001
bar
1 bar
=
100000,0
Pa
1000,0
mbar
1,0
bar
1 torr
=
mbar
1,33322
x 10–3
bar
1 in Hg
=
mbar
3,3863
x 10–2
bar
10–2
bar
2
133,322
Pa
3386,3
1,3332
Pa
33,863
1 psi (lbf/in )
=
6894,8
Pa
mbar
6,8948
1 atm
=
101325,0
Pa
1013,25
mbar
1,01325
=
98066,0
Pa
980,66
mbar
0,98066
2
1 Kg/cm (at)
1 mm
H 2O
=
1 m H 2O
9,8066
=
2
1 Pa (N/m )
Pa
9806,6
=
68,948
0,09806
Pa
1,0
98,066
Pa
0,01
x
bar
bar
10–5
bar
mbar
9,8066
x
mbar
9,8066
x 10–2
bar
10–5
bar
mbar
1,0
x
Conversion factors for capacity
units
Fattori di conversione delle unità di misura della portata
7.00
m3/h
=
m3/min
=
=
l/h
=
l/min
=
cfm
m3/h
x
1
0,016
10 3
16,6
0,588
3
m /min.
x
60
1
6 x 10 4
10 3
3.53 x 10
l/h
x
10 –3
1,66 x 10–5
1
0,016
5,88 x 10–4
l/min
x
60 x 10–3
10–3
60
1
3,53 x 10–2
1699,0
28,314
1
cfm
x
1,699
2,83 x
10–2