25 inches of mercury to torr

25 inHg = 635 Torr. Change the amount below, or read the formula and the reference table further down.

25 inches of mercury equals

635torr

1 inHg = 25.400004 Torr

The formula

Inches of mercury and torr both measure pressure from the same zero, so a single multiplier does the job.

Torr = inHg × 25.40000362

Going the other way? Convert torr to inches of mercury.

Inches of mercury to torr table

Values either side of 25 inHg.

Inches of mercury (inHg)Torr (Torr)
15381
16406.4
17431.8
18457.2
19482.6
20508
21533.4
22558.8
23584.2
24609.6
25635
26660.4
27685.8
28711.2
29736.6
30762
31787.4
32812.8
33838.2
34863.6
35889

Questions people ask

How many torr are in a inch of mercury?
One inch of mercury equals 25.40000362 torr.
How do I convert inches of mercury to torr by hand?
Multiply the number of inches of mercury by 25.40000362. For a rough check, 25.4 is close enough for most everyday use.
What is 25 inches of mercury in torr?
25 inches of mercury is 635 torr.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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