• mbar   mH₂O
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Rounding Mode:

The millibar, a unit of pressure, traces its origins back to the 1800s when it was introduced by the meteorologists Henry H. Hilderbrandsson and Vagn Walfrid Ekman. Used primarily in meteorology, the millibar found its place in daily weather reports around the world. Measuring atmospheric pressure in thousands, one millibar equates to 100 pascals in the SI system, providing a convenient scale for understanding variations in atmospheric conditions.

Intriguingly, the typical sea-level atmospheric pressure is about 1013 millibars. This is the weight of the air around us, controlled by a delicate balance of gases and climatic factors. During severe weather events, such as hurricanes, the central pressure can drastically drop to around 920 millibars, signifying powerful winds and storms. This makes the millibar not just a scientific measure, but a crucial tool for predicting and understanding weather patterns.

Did you know?

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.

> Millibar to Meters of water @ 4°C Conversion Table

Millibar Meters of water @ 4°C
0 mbar 0 mH₂O
10 mbar 0.101972 mH₂O
20 mbar 0.203943 mH₂O
30 mbar 0.305915 mH₂O
40 mbar 0.407886 mH₂O
50 mbar 0.509858 mH₂O
60 mbar 0.61183 mH₂O
70 mbar 0.713801 mH₂O
80 mbar 0.815773 mH₂O
90 mbar 0.917745 mH₂O
100 mbar 1.01972 mH₂O
110 mbar 1.12169 mH₂O
120 mbar 1.22366 mH₂O
130 mbar 1.32563 mH₂O
140 mbar 1.4276 mH₂O
150 mbar 1.52957 mH₂O
160 mbar 1.63155 mH₂O
170 mbar 1.73352 mH₂O
180 mbar 1.83549 mH₂O
190 mbar 1.93746 mH₂O
200 mbar 2.03943 mH₂O
210 mbar 2.1414 mH₂O
220 mbar 2.24338 mH₂O
230 mbar 2.34535 mH₂O
240 mbar 2.44732 mH₂O
250 mbar 2.54929 mH₂O
260 mbar 2.65126 mH₂O
270 mbar 2.75323 mH₂O
280 mbar 2.85521 mH₂O
290 mbar 2.95718 mH₂O
300 mbar 3.05915 mH₂O
310 mbar 3.16112 mH₂O
320 mbar 3.26309 mH₂O
330 mbar 3.36506 mH₂O
340 mbar 3.46704 mH₂O
350 mbar 3.56901 mH₂O
360 mbar 3.67098 mH₂O
370 mbar 3.77295 mH₂O
380 mbar 3.87492 mH₂O
390 mbar 3.97689 mH₂O
400 mbar 4.07886 mH₂O
410 mbar 4.18084 mH₂O
420 mbar 4.28281 mH₂O
430 mbar 4.38478 mH₂O
440 mbar 4.48675 mH₂O
450 mbar 4.58872 mH₂O
460 mbar 4.69069 mH₂O
470 mbar 4.79267 mH₂O
480 mbar 4.89464 mH₂O
490 mbar 4.99661 mH₂O
500 mbar 5.09858 mH₂O
510 mbar 5.20055 mH₂O
520 mbar 5.30252 mH₂O
530 mbar 5.4045 mH₂O
540 mbar 5.50647 mH₂O
550 mbar 5.60844 mH₂O
560 mbar 5.71041 mH₂O
570 mbar 5.81238 mH₂O
580 mbar 5.91435 mH₂O
590 mbar 6.01633 mH₂O
600 mbar 6.1183 mH₂O
610 mbar 6.22027 mH₂O
620 mbar 6.32224 mH₂O
630 mbar 6.42421 mH₂O
640 mbar 6.52618 mH₂O
650 mbar 6.62816 mH₂O
660 mbar 6.73013 mH₂O
670 mbar 6.8321 mH₂O
680 mbar 6.93407 mH₂O
690 mbar 7.03604 mH₂O
700 mbar 7.13801 mH₂O
710 mbar 7.23999 mH₂O
720 mbar 7.34196 mH₂O
730 mbar 7.44393 mH₂O
740 mbar 7.5459 mH₂O
750 mbar 7.64787 mH₂O
760 mbar 7.74984 mH₂O
770 mbar 7.85181 mH₂O
780 mbar 7.95379 mH₂O
790 mbar 8.05576 mH₂O
800 mbar 8.15773 mH₂O
810 mbar 8.2597 mH₂O
820 mbar 8.36167 mH₂O
830 mbar 8.46364 mH₂O
840 mbar 8.56562 mH₂O
850 mbar 8.66759 mH₂O
860 mbar 8.76956 mH₂O
870 mbar 8.87153 mH₂O
880 mbar 8.9735 mH₂O
890 mbar 9.07547 mH₂O
900 mbar 9.17745 mH₂O
910 mbar 9.27942 mH₂O
920 mbar 9.38139 mH₂O
930 mbar 9.48336 mH₂O
940 mbar 9.58533 mH₂O
950 mbar 9.6873 mH₂O
960 mbar 9.78928 mH₂O
970 mbar 9.89125 mH₂O
980 mbar 9.99322 mH₂O
990 mbar 10.09519 mH₂O
1000 mbar 10.19716 mH₂O