How many kilopascals are in 1 inch of mercury?

1 inch of mercury equals 3.38639 kPa.

How do I convert kilopascals back to inches of mercury?

Use the reverse converter: 1 kilopascal equals 0.2953 inHg.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert inches of mercury to kilopascals, multiply the value by 3.386389.

kPa = inHg × 3.386389

40 inHg × 3.386389 = 135.46 kPa

Inch Of Mercury (inHg): Used for barometric pressure in US weather and aviation. About 3,386.389 pascals.
Kilopascal (kPa): 1,000 pascals; used in weather reports, tyre pressure and engineering.

How do I convert inches of mercury to kilopascals?: To convert inches of mercury to kilopascals, multiply the value by 3.386389.
How many kilopascals are in 1 inch of mercury?: 1 inch of mercury equals 3.38639 kPa.
How many kilopascals are in 10 inches of mercury?: 10 inHg equals 33.8639 kPa.
How do I convert kilopascals back to inches of mercury?: Use the reverse converter: 1 kilopascal equals 0.2953 inHg.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.