Millimeters of mercury to Hectopascals Conversion

  • mmHg   hPa
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The millimeter of mercury (mmHg) is a unit of pressure traditionally used in medicine and meteorology, and its history dates back to the barometer invention by Evangelista Torricelli in 1643. Often, it is associated with measuring blood pressure and intraocular pressure, representing the pressure exerted by a column of mercury precisely 1 millimeter high. This fascinating unit highlights the interplay of physics and medicine, reflecting both the force of blood circulating against vessel walls and the atmospheric pressure’s effects on our weather systems.

Interestingly, mmHg is one of the few units still officially sanctioned for use with SI (International System of Units) under specific legal and medical contexts, underscoring its importance over centuries. Despite the global shift towards using Pascals for pressure, mmHg remains ingrained in clinical settings because of its historical usage and direct relation to human physiology. Its origins and continued use illustrate how historical scientific instruments still influence modern practices.

Did you know?

The hectopascal (hPa) is a commonly used unit for measuring atmospheric pressure, especially in meteorology. One hPa is equivalent to 100 pascals, making it a preferred measurement over pascals due to the convenient scale. Interestingly, 1 hPa is also equivalent to 1 millibar, a unit that was widely used before the adoption of the hectopascal. This equivalence makes it easy for transitioning instruments and readings in weather maps and reports.

Hectopascals play a crucial role in understanding atmospheric conditions, such as weather forecasting and studying phenomena like hurricanes or cyclones. Typically, sea-level pressure is around 1013 hPa, and deviations from this can indicate changing weather patterns, with lower pressures often associated with storm systems. This connection makes the hPa unit vital for predicting and understanding weather events globally.

> Millimeters of mercury to Hectopascals Conversion Table

Millimeters of mercury Hectopascals
0 mmHg 0 hPa
10 mmHg 13.3322 hPa
20 mmHg 26.6644 hPa
30 mmHg 39.9966 hPa
40 mmHg 53.3288 hPa
50 mmHg 66.661 hPa
60 mmHg 79.9932 hPa
70 mmHg 93.3254 hPa
80 mmHg 106.6576 hPa
90 mmHg 119.9898 hPa
100 mmHg 133.322 hPa
110 mmHg 146.6542 hPa
120 mmHg 159.9864 hPa
130 mmHg 173.3186 hPa
140 mmHg 186.6508 hPa
150 mmHg 199.983 hPa
160 mmHg 213.3152 hPa
170 mmHg 226.6474 hPa
180 mmHg 239.9796 hPa
190 mmHg 253.3118 hPa
200 mmHg 266.644 hPa
210 mmHg 279.9762 hPa
220 mmHg 293.3084 hPa
230 mmHg 306.6406 hPa
240 mmHg 319.9728 hPa
250 mmHg 333.305 hPa
260 mmHg 346.6372 hPa
270 mmHg 359.9694 hPa
280 mmHg 373.3016 hPa
290 mmHg 386.6338 hPa
300 mmHg 399.966 hPa
310 mmHg 413.2982 hPa
320 mmHg 426.6304 hPa
330 mmHg 439.9626 hPa
340 mmHg 453.2948 hPa
350 mmHg 466.627 hPa
360 mmHg 479.9592 hPa
370 mmHg 493.2914 hPa
380 mmHg 506.6236 hPa
390 mmHg 519.9558 hPa
400 mmHg 533.288 hPa
410 mmHg 546.6202 hPa
420 mmHg 559.9524 hPa
430 mmHg 573.2846 hPa
440 mmHg 586.6168 hPa
450 mmHg 599.949 hPa
460 mmHg 613.2812 hPa
470 mmHg 626.6134 hPa
480 mmHg 639.9456 hPa
490 mmHg 653.2778 hPa
500 mmHg 666.61 hPa
510 mmHg 679.9422 hPa
520 mmHg 693.2744 hPa
530 mmHg 706.6066 hPa
540 mmHg 719.9388 hPa
550 mmHg 733.271 hPa
560 mmHg 746.6032 hPa
570 mmHg 759.9354 hPa
580 mmHg 773.2676 hPa
590 mmHg 786.5998 hPa
600 mmHg 799.932 hPa
610 mmHg 813.2642 hPa
620 mmHg 826.5964 hPa
630 mmHg 839.9286 hPa
640 mmHg 853.2608 hPa
650 mmHg 866.593 hPa
660 mmHg 879.9252 hPa
670 mmHg 893.2574 hPa
680 mmHg 906.5896 hPa
690 mmHg 919.9218 hPa
700 mmHg 933.254 hPa
710 mmHg 946.5862 hPa
720 mmHg 959.9184 hPa
730 mmHg 973.2506 hPa
740 mmHg 986.5828 hPa
750 mmHg 999.915 hPa
760 mmHg 1013.2472 hPa
770 mmHg 1026.5794 hPa
780 mmHg 1039.9116 hPa
790 mmHg 1053.2438 hPa
800 mmHg 1066.576 hPa
810 mmHg 1079.9082 hPa
820 mmHg 1093.2404 hPa
830 mmHg 1106.5726 hPa
840 mmHg 1119.9048 hPa
850 mmHg 1133.237 hPa
860 mmHg 1146.5692 hPa
870 mmHg 1159.9014 hPa
880 mmHg 1173.2336 hPa
890 mmHg 1186.5658 hPa
900 mmHg 1199.898 hPa
910 mmHg 1213.2302 hPa
920 mmHg 1226.5624 hPa
930 mmHg 1239.8946 hPa
940 mmHg 1253.2268 hPa
950 mmHg 1266.559 hPa
960 mmHg 1279.8912 hPa
970 mmHg 1293.2234 hPa
980 mmHg 1306.5556 hPa
990 mmHg 1319.8878 hPa
1000 mmHg 1333.22 hPa

> Other Conversions

Conversion
Millimeters of mercury to Pascals Go to converter
Millimeters of mercury to Kilopascals Go to converter
Millimeters of mercury to Megapascals Go to converter
Millimeters of mercury to Millibar Go to converter
Millimeters of mercury to Bar Go to converter
Millimeters of mercury to Torr Go to converter
Millimeters of mercury to Meters of water @ 4°C Go to converter
Millimeters of mercury to Pounds per square inch Go to converter
Millimeters of mercury to Kilopound per square inch Go to converter
Millimeters of mercury to Inches of mercury Go to converter
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