inHg to Kilopascal Converter
Pressure · unit-converter
Convert inHg to Kilopascal with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations bridge through pascal with fixed definitions (standard atmosphere = 101,325 Pa; torr and mmHg = atm/760; plus industrial/manometer units like kgf/cm², inHg, inH2O, and mmH2O).
About inHg
Inches of mercury (inHg) is used in aviation altimetry and vacuum readings in some US contexts.
About Kilopascal
The kilopascal (kPa) equals 1,000 Pa. It appears in HVAC, building science, and many technical specifications.
How to convert inch of mercury (inhg) to kilopascal
1 inhg equals 3.38638815789 kilopascal in this tool (via pascal):
1 inhg = (3386.38815789 Pa ÷ 1000 Pa) kpa = 3.38638815789 kpa
Each inhg carries 3386.38815789 Pa and each kilopascal 1000 Pa, so one inhg equals 3386.38815789 ÷ 1000 kpa.
Let p(inhg) be pressure in inHg (inhg), and p(kpa) in Kilopascal (kpa). Then:
p(kpa) = p(inhg) × (3386.38815789 / 1000)
Equivalently, divide by how many inhg fit into one kpa (Pa per kpa divided by Pa per inhg):
p(kpa) = p(inhg) ÷ 0.29529987508079486
Examples
Example #1: Convert 1 inhg to kilopascal
1 inhg = 1 inhg × (3386.38815789/1000) kpa = 3.3863881579 kpa
1 inhg = 1 inhg ÷ 0.29529987508079486 = 3.3863881579 kpa
1 inhg × (3,386.38815789/1,000) = 3.386388 kpa
Example #2: Convert 10 inhg to kilopascal
10 inhg = 10 inhg × (3386.38815789/1000) kpa = 33.8638815789 kpa
10 inhg = 10 inhg ÷ 0.29529987508079486 = 33.8638815789 kpa
10 inhg × (3,386.38815789/1,000) = 33.863882 kpa
Summary
To convert inHg to Kilopascal, multiply the value in inhg by (3386.38815789 Pa per inhg) / (1000 Pa per kpa). Equivalently: value_kpa = value_inhg × (3386.38815789 / 1000). Numerically, 1 inhg equals 3.38638815789 kpa.
Relationship context
Both inHg and Kilopascal are converted by fixed multiples of the pascal. Multiplying by (Pa per inhg) ÷ (Pa per kpa) gives the same result as passing through pascal, keeping bar, atm, PSI, kPa, hPa, torr, and mmHg consistent on the hub.
Conversion tables
| inHg (inhg) | Kilopascal (kpa) |
|---|---|
| 0.1 | 0.3386388158 |
| 1 | 3.3863881579 |
| 2 | 6.7727763158 |
| 3 | 10.1591644737 |
| 4 | 13.5455526316 |
| 5 | 16.9319407894 |
| 6 | 20.3183289473 |
| 7 | 23.7047171052 |
| 8 | 27.0911052631 |
| 9 | 30.477493421 |
| inHg (inhg) | Kilopascal (kpa) |
|---|---|
| 10 | 33.8638815789 |
| 20 | 67.7277631578 |
| 30 | 101.591644737 |
| 40 | 135.455526316 |
| 50 | 169.319407895 |
| 60 | 203.183289473 |
| 70 | 237.047171052 |
| 80 | 270.911052631 |
| 90 | 304.77493421 |
| 100 | 338.638815789 |