Convert inches 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
Common values, rounded for reading.
| Inches of mercury (inHg) | Kilopascals (kPa) |
|---|---|
| 1 | 3.3864 |
| 2 | 6.7728 |
| 3 | 10.1592 |
| 4 | 13.5456 |
| 5 | 16.9319 |
| 6 | 20.3183 |
| 7 | 23.7047 |
| 8 | 27.0911 |
| 9 | 30.4775 |
| 10 | 33.8639 |
| 15 | 50.7958 |
| 20 | 67.7278 |
| 25 | 84.6597 |
| 30 | 101.59 |
| 40 | 135.46 |
| 50 | 169.32 |
| 75 | 253.98 |
| 100 | 338.64 |
| 250 | 846.6 |
| 500 | 1,693.19 |
| 1,000 | 3,386.39 |
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.