How many pascals are in 1 inch of mercury?

1 inch of mercury equals 3386.39 Pa.

How do I convert pascals back to inches of mercury?

Use the reverse converter: 1 pascal equals 0.0002953 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 pascals, multiply the value by 3386.389.

Pa = inHg × 3386.389

40 inHg × 3386.389 = 135455.56 Pa

Inch Of Mercury (inHg): Used for barometric pressure in US weather and aviation. About 3,386.389 pascals.
Pascal (Pa): The SI unit of pressure, one newton per square metre, named after Blaise Pascal.

How do I convert inches of mercury to pascals?: To convert inches of mercury to pascals, multiply the value by 3386.389.
How many pascals are in 1 inch of mercury?: 1 inch of mercury equals 3386.39 Pa.
How many pascals are in 10 inches of mercury?: 10 inHg equals 33863.9 Pa.
How do I convert pascals back to inches of mercury?: Use the reverse converter: 1 pascal equals 0.0002953 inHg.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.