1 inch of mercury to kilopascals
1 inHg = 3.386389 kPa. Change the amount below, or read the formula and the reference table further down.
1 inch of mercury equals
kilopascals
1 inHg = 3.386389 kPa
The formula
Inches of mercury and kilopascals both measure pressure from the same zero, so a single multiplier does the job.
kPa = inHg × 3.38638864
Going the other way? Convert kilopascals to inches of mercury.
Inches of mercury to kilopascals table
Values either side of 1 inHg.
| Inches of mercury (inHg) | Kilopascals (kPa) |
|---|---|
| -4 | -13.5456 |
| -3.5 | -11.8524 |
| -3 | -10.1592 |
| -2.5 | -8.466 |
| -2 | -6.7728 |
| -1.5 | -5.0796 |
| -1 | -3.3864 |
| -0.5 | -1.6932 |
| 0 | 0 |
| 0.5 | 1.6932 |
| 1 | 3.3864 |
| 1.5 | 5.0796 |
| 2 | 6.7728 |
| 2.5 | 8.466 |
| 3 | 10.1592 |
| 3.5 | 11.8524 |
| 4 | 13.5456 |
| 4.5 | 15.2387 |
| 5 | 16.9319 |
| 5.5 | 18.6251 |
| 6 | 20.3183 |
Questions people ask
- How many kilopascals are in a inch of mercury?
- One inch of mercury equals 3.38638864 kilopascals.
- How do I convert inches of mercury to kilopascals by hand?
- Multiply the number of inches of mercury by 3.38638864. For a rough check, 3.4 is close enough for most everyday use.
- What is 1 inch of mercury in kilopascals?
- 1 inch of mercury is 3.386389 kilopascals.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.