|
| |
Metric Units |
British Units |
|
|
Millibar
(mb)
|
Normal atmosphere (atm) |
Milimetre of mercury
(mm Hg) |
Kilogram-
force per sq. m
(kgf/m2)
or
(mm H2O) |
Poundal per sq. ft.
(pdl/ft2)
|
Pound-
force per sq. ft.
(lbf/ft2)
|
Inch of mercury
(in Hg) |
Inch of water
(in
H2O) |
|
|
1
Millibar
(mb) |
1 |
9.869 x 10-4 |
0.750 06 |
10.197 2 |
67.197 |
2.0885 4 |
0.029 5300 |
0.401 463 |
| |
|
1
Normal atmosphere (atm) |
1.013 25
x 103 |
1 |
7.600 0
x 102 |
1.033 23
x 104 |
6.808 7
x 104 |
2.116 22
x 103 |
29.921 3 |
4.067 82
x 102 |
| |
|
1
Milimetre of mercury
(mm Hg) |
1.333 22 |
1.315 79
x 10-3 |
1 |
13.595 1 |
89.589 8 |
2.784 50 |
0.039 3701 |
0.535 24 |
| |
|
1
Kilogram-
force per
sq. m
(kgf/m2) or
(mm H2O) |
0.098 066 5 |
9.678 4
x 10-5 |
0.073 556 |
1 |
6.589 8 |
0.204 816 |
2.895 90
x 10-3 |
0.039 370 1 |
| |
|
1
Poundal per sq.
ft.
(pdl/ft2) |
0.014 881 6 |
1.468 70
x 10-5 |
0.011 162 1 |
0.151 751 |
1 |
0.031 081 0 |
4.394 55
x 10-4 |
5.9744
x 10-3 |
| |
|
1
Pound-force per sq.
ft.
(lbf/ft2) |
0.178 803 |
4.725 41
x 10-4 |
0.359 131 |
4.882 43 |
32.1740 |
1 |
0.014 139 0 |
0.192 222 |
| |
|
1
Inch of mercury
(in Hg) |
33.863 9 |
0.033 421 1 |
25.4 |
3.453 16
x 102 |
2.275 55
x 100 |
70.726 |
1 |
13.595 1 |
| |
|
1
Inch of water
(in H2O) |
2.490 89 |
2.458 32
x 10-3 |
1.868 32 |
25.4 |
1.673 80
x 102 |
5.202 3 |
0.073 556 |
1 |
|
