100 inches of mercury to kilopascals
100 inHg = 338.64 kPa. Change the amount below, or read the formula and the reference table further down.
100 inches 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 100 inHg.
| Inches of mercury (inHg) | Kilopascals (kPa) |
|---|---|
| 0 | 0 |
| 10 | 33.8639 |
| 20 | 67.7278 |
| 30 | 101.59 |
| 40 | 135.46 |
| 50 | 169.32 |
| 60 | 203.18 |
| 70 | 237.05 |
| 80 | 270.91 |
| 90 | 304.77 |
| 100 | 338.64 |
| 110 | 372.5 |
| 120 | 406.37 |
| 130 | 440.23 |
| 140 | 474.09 |
| 150 | 507.96 |
| 160 | 541.82 |
| 170 | 575.69 |
| 180 | 609.55 |
| 190 | 643.41 |
| 200 | 677.28 |
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 100 inches of mercury in kilopascals?
- 100 inches of mercury is 338.64 kilopascals.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.