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.
The kilopascal (kPa) is a metric unit of pressure that often finds its application in various everyday and scientific contexts, such as meteorology, engineering, and automotive industries. One intriguing aspect of the kilopascal is its relationship to atmospheric pressure. At sea level, the standard atmospheric pressure is 101.3 kPa. This means when the weather forecast mentions a high or low-pressure system, it’s essentially describing variations in kilopascals, subtly influencing everything from weather patterns to flight dynamics.
In the world of construction and engineering, knowing a material’s tolerance in kilopascals is crucial for ensuring structural integrity and safety. For instance, the force exerted by an average car tire on the ground is about 220 kPa, showcasing kilopascals as a pivotal unit in designing components that need to withstand specific pressures. Such applications highlight its crucial role in both routine and critical decision-making processes.
Torr | Kilopascals |
---|---|
0
torr
|
0
kPa
|
10
torr
|
1.33322
kPa
|
20
torr
|
2.66645
kPa
|
30
torr
|
4
kPa
|
40
torr
|
5.33289
kPa
|
50
torr
|
6.66612
kPa
|
60
torr
|
8
kPa
|
70
torr
|
9.33257
kPa
|
80
torr
|
10.66579
kPa
|
90
torr
|
12
kPa
|
100
torr
|
13.33224
kPa
|
110
torr
|
14.66546
kPa
|
120
torr
|
15.99868
kPa
|
130
torr
|
17.33191
kPa
|
140
torr
|
18.66513
kPa
|
150
torr
|
19.99836
kPa
|
160
torr
|
21.33158
kPa
|
170
torr
|
22.6648
kPa
|
180
torr
|
23.99803
kPa
|
190
torr
|
25.33125
kPa
|
200
torr
|
26.66447
kPa
|
210
torr
|
27.9977
kPa
|
220
torr
|
29.33092
kPa
|
230
torr
|
30.66414
kPa
|
240
torr
|
31.99737
kPa
|
250
torr
|
33.33059
kPa
|
260
torr
|
34.66382
kPa
|
270
torr
|
35.99704
kPa
|
280
torr
|
37.33026
kPa
|
290
torr
|
38.66349
kPa
|
300
torr
|
39.99671
kPa
|
310
torr
|
41.32993
kPa
|
320
torr
|
42.66316
kPa
|
330
torr
|
43.99638
kPa
|
340
torr
|
45.32961
kPa
|
350
torr
|
46.66283
kPa
|
360
torr
|
47.99605
kPa
|
370
torr
|
49.32928
kPa
|
380
torr
|
50.6625
kPa
|
390
torr
|
51.99572
kPa
|
400
torr
|
53.32895
kPa
|
410
torr
|
54.66217
kPa
|
420
torr
|
55.99539
kPa
|
430
torr
|
57.32862
kPa
|
440
torr
|
58.66184
kPa
|
450
torr
|
59.99507
kPa
|
460
torr
|
61.32829
kPa
|
470
torr
|
62.66151
kPa
|
480
torr
|
63.99474
kPa
|
490
torr
|
65.32796
kPa
|
500
torr
|
66.66118
kPa
|
510
torr
|
67.99441
kPa
|
520
torr
|
69.32763
kPa
|
530
torr
|
70.66086
kPa
|
540
torr
|
71.99408
kPa
|
550
torr
|
73.3273
kPa
|
560
torr
|
74.66053
kPa
|
570
torr
|
75.99375
kPa
|
580
torr
|
77.32697
kPa
|
590
torr
|
78.6602
kPa
|
600
torr
|
79.99342
kPa
|
610
torr
|
81.32664
kPa
|
620
torr
|
82.65987
kPa
|
630
torr
|
83.99309
kPa
|
640
torr
|
85.32632
kPa
|
650
torr
|
86.65954
kPa
|
660
torr
|
87.99276
kPa
|
670
torr
|
89.32599
kPa
|
680
torr
|
90.65921
kPa
|
690
torr
|
91.99243
kPa
|
700
torr
|
93.32566
kPa
|
710
torr
|
94.65888
kPa
|
720
torr
|
95.99211
kPa
|
730
torr
|
97.32533
kPa
|
740
torr
|
98.65855
kPa
|
750
torr
|
99.99178
kPa
|
760
torr
|
101.325
kPa
|
770
torr
|
102.65822
kPa
|
780
torr
|
103.99145
kPa
|
790
torr
|
105.32467
kPa
|
800
torr
|
106.65789
kPa
|
810
torr
|
107.99112
kPa
|
820
torr
|
109.32434
kPa
|
830
torr
|
110.65757
kPa
|
840
torr
|
111.99079
kPa
|
850
torr
|
113.32401
kPa
|
860
torr
|
114.65724
kPa
|
870
torr
|
115.99046
kPa
|
880
torr
|
117.32368
kPa
|
890
torr
|
118.65691
kPa
|
900
torr
|
119.99013
kPa
|
910
torr
|
121.32336
kPa
|
920
torr
|
122.65658
kPa
|
930
torr
|
123.9898
kPa
|
940
torr
|
125.32303
kPa
|
950
torr
|
126.65625
kPa
|
960
torr
|
127.98947
kPa
|
970
torr
|
129.3227
kPa
|
980
torr
|
130.65592
kPa
|
990
torr
|
131.98914
kPa
|
1000
torr
|
133.32237
kPa
|
If you like the website, share it on social media.