Millimeters of Mercury to Kilopascals (mmHg to kPa) Converter
1 millimeter of mercury (mmHg) = 0.133322 kilopascals (kPa). To convert millimeters of mercury to kilopascals, multiply by 0.133322: 25 mmHg × 0.133322 = 3.33306 kPa. Also searched as millimetres of mercury to kilopascals.
Quick facts
- 1 mmHg = 0.133322 kPa
- 1 kPa = 7.50062 mmHg
- Formula: kPa = mmHg × 0.133322
- Quick estimate: multiply by about 0.13
How to convert millimeters of mercury to kilopascals
- Take the value in millimeters of mercury.
- Multiply it by 0.133322 (the number of kilopascals in one millimeter of mercury).
- Round the result to the precision you need.
Worked example: 25 mmHg × 0.133322 = 3.33306 kPa.
To convert kilopascals back to millimeters of mercury, multiply by 7.50062, or divide by 0.133322.
Source: NIST SP 811 (2008), Appendix B.
Millimeters of Mercury to Kilopascals conversion table
| Millimeters of Mercury [mmHg] | Kilopascals [kPa] |
|---|---|
| 0.01 mmHg | 0.0013332239 kPa |
| 0.1 mmHg | 0.0133322387 kPa |
| 1 mmHg | 0.1333223874 kPa |
| 2 mmHg | 0.2666447748 kPa |
| 3 mmHg | 0.3999671622 kPa |
| 5 mmHg | 0.6666119371 kPa |
| 10 mmHg | 1.3332238741 kPa |
| 20 mmHg | 2.6664477483 kPa |
| 50 mmHg | 6.6661193708 kPa |
| 100 mmHg | 13.3322387415 kPa |
| 1000 mmHg | 133.322387415 kPa |
mmHg to kPa chart from 1 to 100
- 1 mmHg 0.133322 kPa
- 2 mmHg 0.266645 kPa
- 3 mmHg 0.399967 kPa
- 4 mmHg 0.53329 kPa
- 5 mmHg 0.666612 kPa
- 6 mmHg 0.799934 kPa
- 7 mmHg 0.933257 kPa
- 8 mmHg 1.06658 kPa
- 9 mmHg 1.1999 kPa
- 10 mmHg 1.33322 kPa
- 11 mmHg 1.46655 kPa
- 12 mmHg 1.59987 kPa
- 13 mmHg 1.73319 kPa
- 14 mmHg 1.86651 kPa
- 15 mmHg 1.99984 kPa
- 16 mmHg 2.13316 kPa
- 17 mmHg 2.26648 kPa
- 18 mmHg 2.3998 kPa
- 19 mmHg 2.53313 kPa
- 20 mmHg 2.66645 kPa
- 25 mmHg 3.33306 kPa
- 30 mmHg 3.99967 kPa
- 35 mmHg 4.66628 kPa
- 40 mmHg 5.3329 kPa
- 45 mmHg 5.99951 kPa
- 50 mmHg 6.66612 kPa
- 55 mmHg 7.33273 kPa
- 60 mmHg 7.99934 kPa
- 65 mmHg 8.66596 kPa
- 70 mmHg 9.33257 kPa
- 75 mmHg 9.99918 kPa
- 80 mmHg 10.6658 kPa
- 85 mmHg 11.3324 kPa
- 90 mmHg 11.999 kPa
- 95 mmHg 12.6656 kPa
- 100 mmHg 13.3322 kPa
Kilopascals to Millimeters of Mercury conversion table
| Kilopascals [kPa] | Millimeters of Mercury [mmHg] |
|---|---|
| 0.01 kPa | 0.0750061576 mmHg |
| 0.1 kPa | 0.7500615758 mmHg |
| 1 kPa | 7.5006157585 mmHg |
| 2 kPa | 15.0012315169 mmHg |
| 3 kPa | 22.5018472754 mmHg |
| 5 kPa | 37.5030787923 mmHg |
| 10 kPa | 75.0061575846 mmHg |
| 20 kPa | 150.0123151691 mmHg |
| 50 kPa | 375.0307879228 mmHg |
| 100 kPa | 750.0615758457 mmHg |
| 1000 kPa | 7500.6157584566 mmHg |
Millimeters of Mercury vs Kilopascals
| Millimeter of Mercury | Kilopascal | |
|---|---|---|
| Symbol | mmHg | kPa |
| Equals | 1 mmHg = 0.133322 kPa | 1 kPa = 7.50062 mmHg |
What is a millimeter of mercury?
The pressure exerted by a 1-millimeter column of mercury. Used for blood pressure and barometric readings.
What is a kilopascal?
Equal to 1,000 pascals. Used for tire pressure and weather pressure outside the US.
Frequently asked questions
How many kilopascals are in a millimeter of mercury?
There are 0.133322 kilopascals in 1 millimeter of mercury (1 mmHg = 0.1333223874 kPa).
How many millimeters of mercury are in a kilopascal?
There are 7.50062 millimeters of mercury in 1 kilopascal (1 kPa = 7.5006157585 mmHg).
How do I convert millimeters of mercury to kilopascals?
Multiply the number of millimeters of mercury by 0.133322. For example, 10 mmHg × 0.133322 = 1.33322 kPa. To convert back, multiply by 7.50062.
What is 10 mmHg in kilopascals?
10 mmHg = 1.33322 kPa.
What is 100 mmHg in kilopascals?
100 mmHg = 13.3322 kPa.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), Appendix B). Results are shown to up to 10 decimal places; round them to suit your purpose.
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