Microns of mercury to Inches of mercury Converter

1 micron of mercury (µmHg) equals 0.000039370079 inches of mercury (inHg).

Quick answer

  • 1 micron of mercury = 0.000039370079 inches of mercury
  • 1 inch of mercury = 25,400 microns of mercury
  • Formula: inHg = µmHg ÷ 25,400

1 micron of mercury = 0.000039370079 inches of mercury

How to convert microns of mercury to inches of mercury

inHg = µmHg ÷ 25,400

To convert microns of mercury to inches of mercury, divide the number of microns of mercury by 25,400.

Example: 1 µmHg to inHg

  1. Start with the value in microns of mercury: 1 µmHg.
  2. Divide by 25,400: 1 ÷ 25,400 = 0.000039370079.
  3. Result: 1 micron of mercury = 0.000039370079 inches of mercury.

Going the other way, 1 inch of mercury = 25,400 microns of mercury, so to convert inches of mercury back to microns of mercury you multiply by the same number. See inches of mercury to microns of mercury.

Microns of mercury to inches of mercury conversion table

Microns of mercury (µmHg)Inches of mercury (inHg)
1 µmHg 0.000039370079 inHg
2 µmHg 0.000078740157 inHg
3 µmHg 0.000118110236 inHg
4 µmHg 0.000157480315 inHg
5 µmHg 0.000196850394 inHg
6 µmHg 0.000236220472 inHg
7 µmHg 0.000275590551 inHg
8 µmHg 0.00031496063 inHg
9 µmHg 0.000354330709 inHg
10 µmHg 0.000393700787 inHg
100 µmHg 0.003937007874 inHg

What is a micron of mercury?

HVAC technicians measure deep vacuum in microns of mercury: a system should be evacuated to below 500 microns before charging refrigerant.

More about microns of mercury →

What is an inch of mercury?

The inch of mercury is used for barometric pressure in US weather reports and in aviation, where altimeters are set in inHg.

More about inches of mercury →

Frequently asked questions

How many inches of mercury are in a micron of mercury?

One micron of mercury is 0.000039370079 inches of mercury.

How many microns of mercury are in an inch of mercury?

One inch of mercury is 25,400 microns of mercury.

What is the formula to convert microns of mercury to inches of mercury?

inHg = µmHg ÷ 25,400.