Conversion Chart
These are tools to help you do everyday calculations for vacuum pressure, volume, capacity, weight, length, efficiency and temperature. To find the required charts click here.
Conversion Chart for Blower Parameters
Understand Blower Parameter Conversion with Our Chart
Pressure Vacuum
|
|
mbar (hPa)
|
bar
|
Pa (N/m2)
|
KPa
|
atm
|
Kgf cm -2(at)
|
mm H2O
|
Torr (mm Hg)
|
micron
|
in Hg
|
in H2O
|
lbfin-2 (psi)
|
|
1 mbar
|
1
|
1×10-3
|
102
|
0.1
|
9.869×10-4
|
1.02×10-3
|
10.197
|
0.75
|
750
|
2.953×10-2
|
0.402
|
1.45×10-2
|
|
1 bar
|
103
|
1
|
1×105
|
100
|
0.987
|
1.02
|
1.02×104
|
7.5×102
|
7.5×105
|
29.53
|
4.015×102
|
14.5
|
|
1 Pa (N/m2)
|
0.01
|
1×10-5
|
1
|
0.001
|
9.869×10-6
|
1.02×10-5
|
0.102
|
7.5×10-3
|
7.5
|
2.953×10-4
|
4.015×10-3
|
1.45×10-4
|
|
1 KPa
|
10
|
0.01
|
103
|
1
|
9.869×10-3
|
1.02×10-2
|
1.02×102
|
7.5
|
7.5×103
|
0.295
|
4.015
|
0.145
|
|
1 atm
|
1.013×103
|
1.013
|
1.013×105
|
1.013×102
|
1
|
1.033
|
1.033×104
|
7.6×102
|
7.6×105
|
29.92
|
4.068×102
|
14.7
|
|
1 Kgfcm-2(at)
|
9.807×102
|
0.981
|
9.807×104
|
98.07
|
0.968
|
1
|
104
|
7.356×102
|
7.356×105
|
28.96
|
3.937 x 102
|
14.22
|
|
1 mm H2O
|
9.807×10-2
|
9.807×10-5
|
9.807
|
9.807×10-3
|
9.677×10-5
|
10-4
|
1
|
7.354×10-2
|
73.54
|
2.896×10-3
|
3.394×10-2
|
1.42×10-3
|
|
1 Torr (mm Hg)
|
1.333
|
1.333×10-3
|
1.333×102
|
1.333×10-1
|
1.316×10-3
|
1.36×10-3
|
13.59
|
1
|
103
|
3.937×10-2
|
0.535
|
1.934×10-2
|
|
1 micron
|
1.333×10-3
|
1.333×10-6
|
1.333×10-1
|
1.333×10-4
|
1.316×10-6
|
1.36×10-6
|
1.359×10-2
|
10-3
|
1
|
3.937×10-5
|
5.35×10-4
|
1.934×10-5
|
|
1 in Hg
|
33.86
|
3.386×10-2
|
3.386×103
|
3.386
|
3.342×10-2
|
3.453×10-2
|
3.45×102
|
25.4
|
2.54×104
|
1
|
13.6
|
0.491
|
|
1 in H2O
|
2.491
|
2.491×10-3
|
2.491×102
|
0.249
|
2.458×10-3
|
2.54 x 10-3
|
25.4
|
1.868
|
1.868X103
|
7.356×10-2
|
1
|
3.613×10-2
|
|
1 lbfin-2 (psi)
|
68.95
|
6.895×10-2
|
6.895×103
|
6.895
|
6.805×10-2
|
7.03×10-2
|
7.03×102
|
51.71
|
5.171×104
|
2.036
|
27.68
|
1
|
Capacity
|
m3/h
|
m3/min
|
m3/s
|
l/min
|
cfm (ft3min-1)
|
gal/min
| |
|
1 m3/h
|
1
|
1.667×10-2
|
2.778×10-4
|
16.67
|
0.588
|
4.403
|
|
1 m3/min
|
60
|
1
|
1.667×10-2
|
103
|
35.28
|
2.642×102
|
|
1 m3/s
|
3600
|
60
|
1
|
6×104
|
2.117×103
|
1.585×104
|
|
1 l/min
|
6×10-2
|
10-3
|
1.667×10-5
|
1
|
3.528×10-2
|
0.264
|
|
1 cfm(ft3min-1)
|
1.699
|
2.832×10-2
|
4.72×10-4
|
28.32
|
1
|
7.481
|
|
1 gal/min
|
0.227
|
0.378
|
6.306×10-5
|
3.784
|
0.133
|
1
|
Efficiency
|
KW
|
W(J/S)
|
PS
|
Hp
|
Kcal/hr
|
Btu/hr
| |
|
1 KW
|
1
|
103
|
1.36
|
1.341
|
860
|
3.412×103
|
|
1 W(J/S)
|
10-3
|
1
|
1.36×10-3
|
1.341×10-3
|
0.860
|
3.412
|
|
1 PS
|
0.736
|
736
|
1
|
0.986
|
6.329×102
|
2.509×103
|
|
1 hp
|
0.746
|
7.46
|
1.014
|
1
|
6.413×102
|
2.545×103
|
|
1 Kcal/hr
|
1.163×10-3
|
1.163
|
1.58×10-3
|
1.559×10-3
|
1
|
3.968
|
|
1 Btu/hr
|
2.931×10-4
|
0.2931
|
3.985×10-4
|
3.93×10-4
|
0.252
|
1
|
Length
|
mm
|
cm
|
m
|
in
|
ft
|
yd
| |
|
1 mm
|
1
|
0.1
|
10-3
|
3.94×10-2
|
3.28×10-3
|
1.093×10-3
|
|
1 cm
|
10
|
1
|
10-2
|
0.394
|
3.28×10-2
|
1.093×10-2
|
|
1 m
|
103
|
102
|
1
|
39.4
|
3.28
|
1.093
|
|
1 in
|
25.4
|
2.54
|
2.54×10-2
|
1
|
8.33×10-2
|
2.78×10-2
|
|
1 ft
|
3.048×102
|
30.48
|
0.305
|
12
|
1
|
0.333
|
|
1 yd
|
9.144
|
0.914×102
|
0.914
|
36
|
3
|
1
|
Volume
|
ml(cm3)
|
l(dm3)
|
in3
|
ft3
|
imp.gal
|
U.S.gal
| |
|
1 ml(cm3)
|
1
|
10-3
|
0.061
|
3.53×10-5
|
2.20×10-4
|
2.64×10-4
|
|
1 ldm3
|
103
|
1
|
0.610×102
|
3.53×10-2
|
0.220
|
0.264
|
|
1 in3
|
16.39
|
1.639×10-2
|
1
|
5.79×10-4
|
3.606×10-3
|
4.327×10-3
|
|
1 ft3
|
2.83×104
|
28.3
|
1.728×103
|
1
|
6.25
|
7.46
|
|
1 lmp.gal
|
4.55×103
|
4.55
|
2.773×102
|
0.160
|
1
|
1.20
|
|
1 U.S.gal
|
3.785×103
|
3.785
|
2.311×102
|
0.134
|
0.833
|
1
|
Weight
| |||||||||||||||||||||||||||||||||||||||||||||||||||
Temperature
|
Tempature Conversion tc (°C) — tf (°F) 1.8 x tc (°C) + 32 = tf (°F) 0.556 x tf (°F) – 17.78 =tc (°C)
|