A “meter of water @ 4°C” is a unique unit used primarily to measure pressure. At this specific temperature, water reaches its maximum density, and the pressure exerted by a one-meter column of water is approximately 9.81 kilopascals or 0.0979 atmospheres. This scenario represents the optimal conditions for standardizing pressure measurements because the physical properties of water are most stable, reducing variances in calculations.
This unit is especially important in fields like plumbing and hydraulics, where accurate pressure measurements are crucial. Understanding these principles can lead to better designs in water distribution systems, preventing common issues such as pipe bursts or inefficient water flow, ensuring systems operate safely and efficiently.
The kilopound per square inch (ksi) is a unit of pressure that is not as commonly encountered as its smaller counterpart, pounds per square inch (psi). However, it plays a crucial role in engineering and materials science, particularly in the United States, where it is often used to express the tensile strength and yield strength of materials like steel. One ksi is equal to 1,000 psi, making it a convenient way to express large values of pressure or stress without cumbersome zeros.
Interestingly, ksi is commonly used in the context of measuring the mechanical properties of metals, especially in aerospace and automotive industries. These are fields where precise and robust materials are essential for safety and performance. For instance, typical structural steel can have a yield strength on the order of 50 ksi, underscoring the immense stress materials can withstand in such applications. Understanding these units helps engineers ensure that the materials used can handle the demanding conditions they face.
Meters of water @ 4°C | Kilopound per square inch |
---|---|
0
mH₂O
|
0
ksi
|
1
mH₂O
|
0.00142233
ksi
|
2
mH₂O
|
0.00284467
ksi
|
3
mH₂O
|
0.004267
ksi
|
4
mH₂O
|
0.00568934
ksi
|
5
mH₂O
|
0.00711167
ksi
|
6
mH₂O
|
0.008534
ksi
|
7
mH₂O
|
0.00995634
ksi
|
8
mH₂O
|
0.0113787
ksi
|
9
mH₂O
|
0.012801
ksi
|
10
mH₂O
|
0.0142233
ksi
|
11
mH₂O
|
0.0156457
ksi
|
12
mH₂O
|
0.017068
ksi
|
13
mH₂O
|
0.0184903
ksi
|
14
mH₂O
|
0.0199127
ksi
|
15
mH₂O
|
0.021335
ksi
|
16
mH₂O
|
0.0227573
ksi
|
17
mH₂O
|
0.0241797
ksi
|
18
mH₂O
|
0.025602
ksi
|
19
mH₂O
|
0.0270243
ksi
|
20
mH₂O
|
0.0284467
ksi
|
21
mH₂O
|
0.029869
ksi
|
22
mH₂O
|
0.0312913
ksi
|
23
mH₂O
|
0.0327137
ksi
|
24
mH₂O
|
0.034136
ksi
|
25
mH₂O
|
0.0355583
ksi
|
26
mH₂O
|
0.0369807
ksi
|
27
mH₂O
|
0.038403
ksi
|
28
mH₂O
|
0.0398253
ksi
|
29
mH₂O
|
0.0412477
ksi
|
30
mH₂O
|
0.04267
ksi
|
31
mH₂O
|
0.0440923
ksi
|
32
mH₂O
|
0.0455147
ksi
|
33
mH₂O
|
0.046937
ksi
|
34
mH₂O
|
0.0483593
ksi
|
35
mH₂O
|
0.0497817
ksi
|
36
mH₂O
|
0.051204
ksi
|
37
mH₂O
|
0.0526263
ksi
|
38
mH₂O
|
0.0540487
ksi
|
39
mH₂O
|
0.055471
ksi
|
40
mH₂O
|
0.0568934
ksi
|
41
mH₂O
|
0.0583157
ksi
|
42
mH₂O
|
0.059738
ksi
|
43
mH₂O
|
0.0611604
ksi
|
44
mH₂O
|
0.0625827
ksi
|
45
mH₂O
|
0.064005
ksi
|
46
mH₂O
|
0.0654274
ksi
|
47
mH₂O
|
0.0668497
ksi
|
48
mH₂O
|
0.068272
ksi
|
49
mH₂O
|
0.0696944
ksi
|
50
mH₂O
|
0.0711167
ksi
|
51
mH₂O
|
0.072539
ksi
|
52
mH₂O
|
0.0739614
ksi
|
53
mH₂O
|
0.0753837
ksi
|
54
mH₂O
|
0.076806
ksi
|
55
mH₂O
|
0.0782284
ksi
|
56
mH₂O
|
0.0796507
ksi
|
57
mH₂O
|
0.081073
ksi
|
58
mH₂O
|
0.0824954
ksi
|
59
mH₂O
|
0.0839177
ksi
|
60
mH₂O
|
0.08534
ksi
|
61
mH₂O
|
0.0867624
ksi
|
62
mH₂O
|
0.0881847
ksi
|
63
mH₂O
|
0.089607
ksi
|
64
mH₂O
|
0.0910294
ksi
|
65
mH₂O
|
0.0924517
ksi
|
66
mH₂O
|
0.093874
ksi
|
67
mH₂O
|
0.0952964
ksi
|
68
mH₂O
|
0.0967187
ksi
|
69
mH₂O
|
0.098141
ksi
|
70
mH₂O
|
0.0995634
ksi
|
71
mH₂O
|
0.100986
ksi
|
72
mH₂O
|
0.102408
ksi
|
73
mH₂O
|
0.10383
ksi
|
74
mH₂O
|
0.105253
ksi
|
75
mH₂O
|
0.106675
ksi
|
76
mH₂O
|
0.108097
ksi
|
77
mH₂O
|
0.10952
ksi
|
78
mH₂O
|
0.110942
ksi
|
79
mH₂O
|
0.112364
ksi
|
80
mH₂O
|
0.113787
ksi
|
81
mH₂O
|
0.115209
ksi
|
82
mH₂O
|
0.116631
ksi
|
83
mH₂O
|
0.118054
ksi
|
84
mH₂O
|
0.119476
ksi
|
85
mH₂O
|
0.120898
ksi
|
86
mH₂O
|
0.122321
ksi
|
87
mH₂O
|
0.123743
ksi
|
88
mH₂O
|
0.125165
ksi
|
89
mH₂O
|
0.126588
ksi
|
90
mH₂O
|
0.12801
ksi
|
91
mH₂O
|
0.129432
ksi
|
92
mH₂O
|
0.130855
ksi
|
93
mH₂O
|
0.132277
ksi
|
94
mH₂O
|
0.133699
ksi
|
95
mH₂O
|
0.135122
ksi
|
96
mH₂O
|
0.136544
ksi
|
97
mH₂O
|
0.137966
ksi
|
98
mH₂O
|
0.139389
ksi
|
99
mH₂O
|
0.140811
ksi
|
100
mH₂O
|
0.142233
ksi
|
If you like the website, share it on social media.