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Formula
kPa = inHg × 3.3863881579
Example
Example: convert 20 inches of mercury to kilopascals.
20 inHg = 67.72776316 kPa
Conversion table
| inches of mercury (inHg) | kilopascals (kPa) |
|---|---|
| 1 inHg | 3.38638816 kPa |
| 2 inHg | 6.77277632 kPa |
| 5 inHg | 16.93194079 kPa |
| 10 inHg | 33.86388158 kPa |
| 20 inHg | 67.72776316 kPa |
| 50 inHg | 169.31940789 kPa |
| 100 inHg | 338.63881579 kPa |
Explanation
These are both units.
How to convert inches of mercury to kilopascals
- Start with the value in inches of mercury (inHg).
- Multiply it by 3.3863881579.
- The result is the measurement in kilopascals (kPa).
Example: 20 inHg → 67.72776316 kPa
Frequently Asked Questions
How much is 20 inches of mercury in kilopascals?
20 inches of mercury is about 67.7278 kilopascals.
How many kilopascals is 1 inch of mercury?
1 inch of mercury is about 3.386388 kilopascals.
How many inches of mercury is 1 kilopascal?
1 kilopascal is about 0.2953 inches of mercury.
What is the difference between inches of mercury and kilopascals?
Both measure pressure, but they are commonly used in different contexts. Inches of mercury are used in meteorology and aviation (barometric pressure). Kilopascals are used for moderate pressures (meteorology, tires, and technical work).
Where are inches of mercury and kilopascals used?
In practice: Inches of mercury are used in meteorology and aviation (barometric pressure). Kilopascals are used for moderate pressures (meteorology, tires, and technical work).
Why does 1 inch of mercury equal 3.386388 kilopascals?
Because pressure units are defined with a fixed relationship (often relative to the pascal). To convert, multiply by that factor.