The “bar” is a metric unit of pressure, commonly used in meteorology to describe atmospheric pressure — one bar is approximately equal to the atmospheric pressure on Earth at sea level. Interestingly, the term “bar” originates from the Greek word “baros,” meaning weight. This unit is not only practical for forecasting weather but also critical in various scientific fields, such as oceanography and engineering, where accurate pressure measurements are crucial.
A fascinating aspect of the bar is its application in scuba diving. Divers often use bar to read their submersible pressure gauges to monitor air consumption. Moreover, understanding bar pressure changes is essential in deep-sea diving to avoid decompression sickness, a condition caused by rapid changes in pressure. Thus, the bar is a pivotal unit in both scientific and everyday contexts.
The torr is a unit of pressure named after the Italian physicist Evangelista Torricelli, who invented the barometer in the 17th century. It is defined as 1/760th of an atmosphere, approximating the pressure exerted by a one-millimeter column of mercury at 0 degrees Celsius. What makes the torr particularly interesting is its practical use in fields like vacuum technology and weather forecasting, where precise measurements of atmospheric pressure are crucial.
The legacy of Torricelli’s work is integral to meteorology and physics, as it opened paths for understanding atmospheric pressure. Beyond scientific circles, the torr is a reminder of human ingenuity in unraveling atmospheric mysteries and continues to play a vital role in today’s scientific advancements.
Bar | Torr |
---|---|
0
bar
|
0
torr
|
1
bar
|
750.06168
torr
|
2
bar
|
1500.12337
torr
|
3
bar
|
2250.18505
torr
|
4
bar
|
3000.24673
torr
|
5
bar
|
3750.30841
torr
|
6
bar
|
4500.3701
torr
|
7
bar
|
5250.43178
torr
|
8
bar
|
6000.49346
torr
|
9
bar
|
6750.55514
torr
|
10
bar
|
7500.61683
torr
|
11
bar
|
8250.67851
torr
|
12
bar
|
9000.74019
torr
|
13
bar
|
9750.80188
torr
|
14
bar
|
10500.86356
torr
|
15
bar
|
11250.92524
torr
|
16
bar
|
12000.98692
torr
|
17
bar
|
12751.04861
torr
|
18
bar
|
13501.11029
torr
|
19
bar
|
14251.17197
torr
|
20
bar
|
15001.23365
torr
|
21
bar
|
15751.29534
torr
|
22
bar
|
16501.35702
torr
|
23
bar
|
17251.4187
torr
|
24
bar
|
18001.48038
torr
|
25
bar
|
18751.54207
torr
|
26
bar
|
19501.60375
torr
|
27
bar
|
20251.66543
torr
|
28
bar
|
21001.72712
torr
|
29
bar
|
21751.7888
torr
|
30
bar
|
22501.85048
torr
|
31
bar
|
23251.91216
torr
|
32
bar
|
24001.97385
torr
|
33
bar
|
24752.03553
torr
|
34
bar
|
25502.09721
torr
|
35
bar
|
26252.15889
torr
|
36
bar
|
27002.22058
torr
|
37
bar
|
27752.28226
torr
|
38
bar
|
28502.34394
torr
|
39
bar
|
29252.40563
torr
|
40
bar
|
30002.46731
torr
|
41
bar
|
30752.52899
torr
|
42
bar
|
31502.59067
torr
|
43
bar
|
32252.65236
torr
|
44
bar
|
33002.71404
torr
|
45
bar
|
33752.77572
torr
|
46
bar
|
34502.8374
torr
|
47
bar
|
35252.89909
torr
|
48
bar
|
36002.96077
torr
|
49
bar
|
36753.02245
torr
|
50
bar
|
37503.08414
torr
|
51
bar
|
38253.14582
torr
|
52
bar
|
39003.2075
torr
|
53
bar
|
39753.26918
torr
|
54
bar
|
40503.33087
torr
|
55
bar
|
41253.39255
torr
|
56
bar
|
42003.45423
torr
|
57
bar
|
42753.51591
torr
|
58
bar
|
43503.5776
torr
|
59
bar
|
44253.63928
torr
|
60
bar
|
45003.70096
torr
|
61
bar
|
45753.76264
torr
|
62
bar
|
46503.82433
torr
|
63
bar
|
47253.88601
torr
|
64
bar
|
48003.94769
torr
|
65
bar
|
48754.00938
torr
|
66
bar
|
49504.07106
torr
|
67
bar
|
50254.13274
torr
|
68
bar
|
51004.19442
torr
|
69
bar
|
51754.25611
torr
|
70
bar
|
52504.31779
torr
|
71
bar
|
53254.37947
torr
|
72
bar
|
54004.44115
torr
|
73
bar
|
54754.50284
torr
|
74
bar
|
55504.56452
torr
|
75
bar
|
56254.6262
torr
|
76
bar
|
57004.68789
torr
|
77
bar
|
57754.74957
torr
|
78
bar
|
58504.81125
torr
|
79
bar
|
59254.87293
torr
|
80
bar
|
60004.93462
torr
|
81
bar
|
60754.9963
torr
|
82
bar
|
61505.05798
torr
|
83
bar
|
62255.11966
torr
|
84
bar
|
63005.18135
torr
|
85
bar
|
63755.24303
torr
|
86
bar
|
64505.30471
torr
|
87
bar
|
65255.3664
torr
|
88
bar
|
66005.42808
torr
|
89
bar
|
66755.48976
torr
|
90
bar
|
67505.55144
torr
|
91
bar
|
68255.61313
torr
|
92
bar
|
69005.67481
torr
|
93
bar
|
69755.73649
torr
|
94
bar
|
70505.79817
torr
|
95
bar
|
71255.85986
torr
|
96
bar
|
72005.92154
torr
|
97
bar
|
72755.98322
torr
|
98
bar
|
73506.04491
torr
|
99
bar
|
74256.10659
torr
|
100
bar
|
75006.16827
torr
|
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