Kilopascals to Millimeters of Mercury (kPa → mmHg)
Formula
1 kPa = 7.500637554192106 mmHgConversion Table
| kPa | mmHg |
|---|---|
| 0 | 0 |
| 1.0000 | 7.5006 |
| 2.0000 | 15.001 |
| 3.0000 | 22.502 |
| 4.0000 | 30.003 |
| 5.0000 | 37.503 |
| 6.0000 | 45.004 |
| 7.0000 | 52.504 |
| 8.0000 | 60.005 |
| 9.0000 | 67.506 |
| 10.000 | 75.006 |
| 11.000 | 82.507 |
| 12.000 | 90.008 |
| 13.000 | 97.508 |
| 14.000 | 105.01 |
| 15.000 | 112.51 |
| 16.000 | 120.01 |
| 17.000 | 127.51 |
| 18.000 | 135.01 |
| 19.000 | 142.51 |
| kPa | mmHg |
|---|---|
| 20.000 | 150.01 |
| 21.000 | 157.51 |
| 22.000 | 165.01 |
| 23.000 | 172.51 |
| 24.000 | 180.02 |
| 25.000 | 187.52 |
| 26.000 | 195.02 |
| 27.000 | 202.52 |
| 28.000 | 210.02 |
| 29.000 | 217.52 |
| 30.000 | 225.02 |
| 31.000 | 232.52 |
| 32.000 | 240.02 |
| 33.000 | 247.52 |
| 34.000 | 255.02 |
| 35.000 | 262.52 |
| 36.000 | 270.02 |
| 37.000 | 277.52 |
| 38.000 | 285.02 |
| 39.000 | 292.52 |
| kPa | mmHg |
|---|---|
| 40.000 | 300.03 |
| 41.000 | 307.53 |
| 42.000 | 315.03 |
| 43.000 | 322.53 |
| 44.000 | 330.03 |
| 45.000 | 337.53 |
| 46.000 | 345.03 |
| 47.000 | 352.53 |
| 48.000 | 360.03 |
| 49.000 | 367.53 |
| 50.000 | 375.03 |
| 51.000 | 382.53 |
| 52.000 | 390.03 |
| 53.000 | 397.53 |
| 54.000 | 405.03 |
| 55.000 | 412.54 |
| 56.000 | 420.04 |
| 57.000 | 427.54 |
| 58.000 | 435.04 |
| 59.000 | 442.54 |
| kPa | mmHg |
|---|---|
| 60.000 | 450.04 |
| 61.000 | 457.54 |
| 62.000 | 465.04 |
| 63.000 | 472.54 |
| 64.000 | 480.04 |
| 65.000 | 487.54 |
| 66.000 | 495.04 |
| 67.000 | 502.54 |
| 68.000 | 510.04 |
| 69.000 | 517.54 |
| 70.000 | 525.04 |
| 71.000 | 532.55 |
| 72.000 | 540.05 |
| 73.000 | 547.55 |
| 74.000 | 555.05 |
| 75.000 | 562.55 |
| 76.000 | 570.05 |
| 77.000 | 577.55 |
| 78.000 | 585.05 |
| 79.000 | 592.55 |
Kilopascals to Millimeters of Mercury Conversion
Converting Kilopascals (kPa) to Millimeters of Mercury (mmHg) is a common pressure conversion. 1 kPa equals 7.500638 mmHg. For example, 100 kPa is equal to 750.063755 mmHg.
Quick Mental Math: Kilopascals to Millimeters of Mercury
Multiply kilopascals by 1.0e+6 for millimeters of mercury; each metric tier adds three zeros.
Why is converting Kilopascals to Millimeters of Mercury tricky?
Magnitude or direction confusion between kilopascals and millimeters-of-mercury is the primary error source.
Quick Reference Values
1 kPa = 7.500638 mmHg. 5 kPa = 37.503188 mmHg. 10 kPa = 75.006376 mmHg. 25 kPa = 187.515939 mmHg. 50 kPa = 375.031878 mmHg. 100 kPa = 750.063755 mmHg.
What is Kilopascals?
Kilopascals (kPa) is a unit of pressure. A kilopascal equals 1,000 pascals, where 1 pascal is one newton per square meter. It is a unit of pressure used to quantify forces applied over an area and is part of the SI system [bipm-si-brochure]. Standard atmospheric pressure is approximately 101.325 kPa. The pascal was named in 1971 by the CGPM in honor of Blaise Pascal, a pioneer in fluid mechanics and pressure measurement. The kilopascal was adopted to express practical pressure values more conveniently [cgpm-resolutions]. Kilopascals are widely used in meteorology, engineering, and automotive industries worldwide. Countries using the SI system apply kPa for tire pressure, weather reports, and material stress testing [nist-si-guide].
What is Millimeters of Mercury?
Millimeters of Mercury (mmHg) is a unit of pressure. Millimeters of mercury (mmHg) measure pressure based on a column of mercury 1 millimeter high. It equals exactly 133.322387415 pascals, the SI derived unit for pressure, as defined by international standards. This unit is widely used in medical and meteorological fields for blood pressure and barometric pressure readings [nist-si-guide]. The mmHg unit originated from the mercury barometer invented by Evangelista Torricelli in 1643. It became standardized as a pressure unit because mercury's density allowed precise atmospheric pressure measurements. The adoption of the exact pascal conversion was formalized by the BIPM in the 20th century [bipm-si-brochure]. Millimeters of mercury remain common in healthcare worldwide, especially for blood pressure monitoring in the US and Europe. Meteorologists also use mmHg in weather reporting, though pascals are preferred in scientific contexts. Regulatory standards by ISO and NIST recognize mmHg for specific applications [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: kpa, kilo pascals, kilopascal, millimeter of mercury, mm hg, millimeters mercury, mmhg, millimeters of mercery. All of these refer to the Kilopascals to Millimeters of Mercury conversion.