|
EG: In the following
table 1 bar pressure = 10 metres head of water or 32.81 feet head of water etc
etc
|
|
|
WATER PRESSURES
(Approximate equivalents)
|
|
BARS
|
METRES
head of
water
|
FEET
head of
water
|
ATMOSPHERES
|
P.S.I
|
|
0.1
|
1
|
3.28
|
0.1
|
1.42
|
|
0.2
|
2
|
6.56
|
0.2
|
2.84
|
|
0.3
|
3
|
9.84
|
0.3
|
4.27
|
|
0.4
|
4
|
13.12
|
0.4
|
5.68
|
|
0.5
|
5
|
16.41
|
0.49
|
7.11
|
|
1
|
10
|
32.81
|
0.97
|
14.22
|
|
1.5
|
15
|
49.22
|
1.46
|
21.33
|
|
2
|
20
|
65.62
|
1.94
|
28.44
|
|
2.5
|
25
|
82.03
|
2.43
|
35.55
|
|
3
|
30
|
98.43
|
2.91
|
42.66
|
|
3.5
|
35
|
114.84
|
3.40
|
49.77
|
|
4
|
40
|
131.24
|
3.88
|
56.88
|
|
4.5
|
45
|
147.65
|
4.37
|
63.99
|
|
5
|
50
|
164.05
|
4.85
|
71.10
|
|
|
|
|
WATER PRESSURE
CONVERSION FACTORS
|
|
BARS
|
multiply by
|
10
|
to find
|
METRES of water
|
|
"
|
multiply by
|
14.22
|
to find
|
Pounds per sq inch
|
|
"
|
multiply by
|
32.81
|
to find
|
FEET of water
|
|
"
|
multiply by
|
0.97
|
to find
|
ATMOSPHERES
|
|
METRES head
|
multiply by
|
0.1
|
to find
|
BARS
|
|
"
|
multiply by
|
1.422
|
to find
|
Pounds per sq inch
|
|
"
|
multiply by
|
3.281
|
to find
|
FEET of water
|
|
"
|
multiply by
|
0.097
|
to find
|
ATMOSPHERES
|
|
FEET head
|
multiply by
|
0.03
|
to find
|
BARS
|
|
"
|
multiply by
|
0.434
|
to find
|
Pounds per sq inch
|
|
"
|
multiply by
|
0.305
|
to find
|
METRES of water
|
|
"
|
multiply by
|
0.029
|
to find
|
ATMOSPHERES
|
|
ATMOSPHERES
|
multiply by
|
1.033
|
to find
|
BARS
|
|
"
|
multiply by
|
14.7
|
to find
|
Pounds per sq inch
|
|
"
|
multiply by
|
10.33
|
to find
|
METRES of water
|
|
"
|
multiply by
|
33.9
|
to find
|
FEET of water
|
|
Pounds per sq inch (P.S.I)
|
multiply by
|
0.07
|
to find
|
BARS
|
|
"
|
multiply by
|
0.068
|
to find
|
ATMOSPHERES
|
|
"
|
multiply by
|
0.703
|
to find
|
METRES of water
|
|
"
|
multiply by
|
2.309
|
to find
|
FEET of water
|
|
|
|
TEMPERATURE
(Approximate equivalents)
|
|
deg CELSIUS (or Centigrade)
|
deg FAHRENHEIT
|
|
-17.8
|
0
|
|
-10
|
14
|
|
0
|
32
|
|
10
|
50
|
|
20
|
68
|
|
30
|
86
|
|
40
|
104
|
|
50
|
122
|
|
60
|
140
|
|
70
|
158
|
|
80
|
176
|
|
90
|
194
|
|
100
|
212
|
|
|
|