Kilopascals to Inches of Mercury (kPa → inHg)
Formula
1 kPa = 0.2952998016471232 inHgConversion Table
| kPa | inHg |
|---|---|
| 0 | 0 |
| 1.0000 | 0.29530 |
| 2.0000 | 0.59060 |
| 3.0000 | 0.88590 |
| 4.0000 | 1.1812 |
| 5.0000 | 1.4765 |
| 6.0000 | 1.7718 |
| 7.0000 | 2.0671 |
| 8.0000 | 2.3624 |
| 9.0000 | 2.6577 |
| 10.000 | 2.9530 |
| 11.000 | 3.2483 |
| 12.000 | 3.5436 |
| 13.000 | 3.8389 |
| 14.000 | 4.1342 |
| 15.000 | 4.4295 |
| 16.000 | 4.7248 |
| 17.000 | 5.0201 |
| 18.000 | 5.3154 |
| 19.000 | 5.6107 |
| kPa | inHg |
|---|---|
| 20.000 | 5.9060 |
| 21.000 | 6.2013 |
| 22.000 | 6.4966 |
| 23.000 | 6.7919 |
| 24.000 | 7.0872 |
| 25.000 | 7.3825 |
| 26.000 | 7.6778 |
| 27.000 | 7.9731 |
| 28.000 | 8.2684 |
| 29.000 | 8.5637 |
| 30.000 | 8.8590 |
| 31.000 | 9.1543 |
| 32.000 | 9.4496 |
| 33.000 | 9.7449 |
| 34.000 | 10.040 |
| 35.000 | 10.335 |
| 36.000 | 10.631 |
| 37.000 | 10.926 |
| 38.000 | 11.221 |
| 39.000 | 11.517 |
| kPa | inHg |
|---|---|
| 40.000 | 11.812 |
| 41.000 | 12.107 |
| 42.000 | 12.403 |
| 43.000 | 12.698 |
| 44.000 | 12.993 |
| 45.000 | 13.288 |
| 46.000 | 13.584 |
| 47.000 | 13.879 |
| 48.000 | 14.174 |
| 49.000 | 14.470 |
| 50.000 | 14.765 |
| 51.000 | 15.060 |
| 52.000 | 15.356 |
| 53.000 | 15.651 |
| 54.000 | 15.946 |
| 55.000 | 16.241 |
| 56.000 | 16.537 |
| 57.000 | 16.832 |
| 58.000 | 17.127 |
| 59.000 | 17.423 |
| kPa | inHg |
|---|---|
| 60.000 | 17.718 |
| 61.000 | 18.013 |
| 62.000 | 18.309 |
| 63.000 | 18.604 |
| 64.000 | 18.899 |
| 65.000 | 19.194 |
| 66.000 | 19.490 |
| 67.000 | 19.785 |
| 68.000 | 20.080 |
| 69.000 | 20.376 |
| 70.000 | 20.671 |
| 71.000 | 20.966 |
| 72.000 | 21.262 |
| 73.000 | 21.557 |
| 74.000 | 21.852 |
| 75.000 | 22.147 |
| 76.000 | 22.443 |
| 77.000 | 22.738 |
| 78.000 | 23.033 |
| 79.000 | 23.329 |
Kilopascals to Inches of Mercury Conversion
Converting Kilopascals (kPa) to Inches of Mercury (inHg) is a common pressure conversion. 1 kPa equals 0.2953 inHg. For example, 100 kPa is equal to 29.52998 inHg.
Quick Mental Math: Kilopascals to Inches of Mercury
Pressure units (atm, bar, psi, pascal) are diverse; use atmospheres as a reference tier.
Why is converting Kilopascals to Inches of Mercury tricky?
Magnitude or direction confusion between kilopascals and inches-of-mercury is the primary error source.
Quick Reference Values
1 kPa = 0.2953 inHg. 5 kPa = 1.476499 inHg. 10 kPa = 2.952998 inHg. 25 kPa = 7.382495 inHg. 50 kPa = 14.76499 inHg. 100 kPa = 29.52998 inHg.
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 Inches of Mercury?
Inches of Mercury (inHg) is a unit of pressure. Inches of mercury measure pressure as the height of a mercury column in inches exerted by atmospheric or other pressures. One inch of mercury equals exactly 3,386.389 pascals (Pa). This unit is commonly used in barometry and aviation altimetry [nist-si-guide]. The unit originates from mercury barometers developed by Evangelista Torricelli in 1643. Measuring pressure via mercury column height became standard in meteorology and aviation. The inch unit was adapted for use in English-speaking countries [nist-si-guide]. Inches of mercury are used mainly in the United States and Canada for weather reports and aircraft altimeters. Internationally, the pascal is preferred, but inHg remains common in aviation and HVAC industries [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: kpa, kilo pascals, kilopascal, inch of mercury, inch-mercury, in hg, inches mercury. All of these refer to the Kilopascals to Inches of Mercury conversion.