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.

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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.

Kilopascals

Millimeters of mercury

0 kPa

0 mmHg

10 kPa

75.00638 mmHg

20 kPa

150.01275 mmHg

30 kPa

225.01913 mmHg

40 kPa

300.0255 mmHg

50 kPa

375.03188 mmHg

60 kPa

450.03825 mmHg

70 kPa

525.04463 mmHg

80 kPa

600.051 mmHg

90 kPa

675.05738 mmHg

100 kPa

750.06376 mmHg

110 kPa

825.07013 mmHg

120 kPa

900.07651 mmHg

130 kPa

975.08288 mmHg

140 kPa

1050.08926 mmHg

150 kPa

1125.09563 mmHg

160 kPa

1200.10201 mmHg

170 kPa

1275.10838 mmHg

180 kPa

1350.11476 mmHg

190 kPa

1425.12114 mmHg

200 kPa

1500.12751 mmHg

210 kPa

1575.13389 mmHg

220 kPa

1650.14026 mmHg

230 kPa

1725.14664 mmHg

240 kPa

1800.15301 mmHg

250 kPa

1875.15939 mmHg

260 kPa

1950.16576 mmHg

270 kPa

2025.17214 mmHg

280 kPa

2100.17852 mmHg

290 kPa

2175.18489 mmHg

300 kPa

2250.19127 mmHg

310 kPa

2325.19764 mmHg

320 kPa

2400.20402 mmHg

330 kPa

2475.21039 mmHg

340 kPa

2550.21677 mmHg

350 kPa

2625.22314 mmHg

360 kPa

2700.22952 mmHg

370 kPa

2775.2359 mmHg

380 kPa

2850.24227 mmHg

390 kPa

2925.24865 mmHg

400 kPa

3000.25502 mmHg

410 kPa

3075.2614 mmHg

420 kPa

3150.26777 mmHg

430 kPa

3225.27415 mmHg

440 kPa

3300.28052 mmHg

450 kPa

3375.2869 mmHg

460 kPa

3450.29327 mmHg

470 kPa

3525.29965 mmHg

480 kPa

3600.30603 mmHg

490 kPa

3675.3124 mmHg

500 kPa

3750.31878 mmHg

510 kPa

3825.32515 mmHg

520 kPa

3900.33153 mmHg

530 kPa

3975.3379 mmHg

540 kPa

4050.34428 mmHg

550 kPa

4125.35065 mmHg

560 kPa

4200.35703 mmHg

570 kPa

4275.36341 mmHg

580 kPa

4350.36978 mmHg

590 kPa

4425.37616 mmHg

600 kPa

4500.38253 mmHg

610 kPa

4575.38891 mmHg

620 kPa

4650.39528 mmHg

630 kPa

4725.40166 mmHg

640 kPa

4800.40803 mmHg

650 kPa

4875.41441 mmHg

660 kPa

4950.42079 mmHg

670 kPa

5025.42716 mmHg

680 kPa

5100.43354 mmHg

690 kPa

5175.43991 mmHg

700 kPa

5250.44629 mmHg

710 kPa

5325.45266 mmHg

720 kPa

5400.45904 mmHg

730 kPa

5475.46541 mmHg

740 kPa

5550.47179 mmHg

750 kPa

5625.47817 mmHg

760 kPa

5700.48454 mmHg

770 kPa

5775.49092 mmHg

780 kPa

5850.49729 mmHg

790 kPa

5925.50367 mmHg

800 kPa

6000.51004 mmHg

810 kPa

6075.51642 mmHg

820 kPa

6150.52279 mmHg

830 kPa

6225.52917 mmHg

840 kPa

6300.53555 mmHg

850 kPa

6375.54192 mmHg

860 kPa

6450.5483 mmHg

870 kPa

6525.55467 mmHg

880 kPa

6600.56105 mmHg

890 kPa

6675.56742 mmHg

900 kPa

6750.5738 mmHg

910 kPa

6825.58017 mmHg

920 kPa

6900.58655 mmHg

930 kPa

6975.59293 mmHg

940 kPa

7050.5993 mmHg

950 kPa

7125.60568 mmHg

960 kPa

7200.61205 mmHg

970 kPa

7275.61843 mmHg

980 kPa

7350.6248 mmHg

990 kPa

7425.63118 mmHg

1000 kPa

7500.63755 mmHg

Conversion

Kilopascals to Pascals

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Kilopascals to Megapascals

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Kilopascals to Hectopascals

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Kilopascals to Millibar

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Kilopascals to Bar

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Kilopascals to Torr

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Kilopascals to Meters of water @ 4°C

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Kilopascals to Pounds per square inch

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Kilopascals to Kilopound per square inch

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Kilopascals to Inches of mercury

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Kilopascals to Millimeters of mercury Conversion

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> Kilopascals to Millimeters of mercury Conversion Table

> Other Conversions

:: Pressure Units

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> Kilopascals to Millimeters of mercury Conversion Table

> Other Conversions

:: Pressure Units

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