At One Place

Inches of mercury to torrs

1 inch of mercury in torrs
1 inHg = 25.40001 Torr
Torr = inHg × 25.40000632

To convert inches of mercury to torrs, multiply by 25.40000632. The table below gives the values people look up most often, and the converter works for any number.

Inches of mercury to torrs table

Common inch of mercury values converted to torrs.
Inches of mercury Torrs
1 inHg 25.40001
2 inHg 50.80001
3 inHg 76.20002
4 inHg 101.6
5 inHg 127
10 inHg 254.0001
15 inHg 381.0001
20 inHg 508.0001
25 inHg 635.0002
30 inHg 762.0002
40 inHg 1,016.0003
50 inHg 1,270.0003
75 inHg 1,905.0005
100 inHg 2,540.0006
250 inHg 6,350.0016
500 inHg 12,700.003
1,000 inHg 25,400.006

How the conversion works

The relationship is Torr = inHg × 25.40000632. Both units measure pressure, so the conversion is a fixed factor that never changes.

Common questions

How many torrs are in one inch of mercury?
One inch of mercury equals 25.40001 torrs. Torr = inHg × 25.40000632.
How do you convert inches of mercury to torrs?
Use Torr = inHg × 25.40000632. So 10 inHg is 254.0001 Torr.
How many inches of mercury are in one torr?
One torr equals 0.03937 inches of mercury, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked