Torr to Millimeters of Mercury Converter

1 Torr = 0.999999857534 mmHg. Type any value below for the exact millimeters of mercury figure.

Torr
0.999999857534mmHg

1 Torr = 0.999999857534 mmHg

Conversion summary

1 Torr = 0.999999857534 mmHg

Formula
Millimeter of Mercury = Torr ÷ 1.00000014247
Category
Pressure
Units
Torr → mmHg

1 Torr in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

  • Pascal133.3224 Pa
  • Kilopascal0.1333224 kPa
  • Megapascal0.0001333224 MPa
  • Hectopascal1.333224 hPa
  • Bar0.001333224 bar
  • Millibar1.333224 mbar
  • Atmosphere0.001315789 atm
  • Technical atmosphere0.00135951 at
  • PSI0.01933677 psi
  • Millimeter of mercury0.9999999 mmHg
  • Millimeter of water13.5951 mmH2O
  • Kilogram-force per square centimeter0.00135951 kgf/cm²

How do you convert torr to millimeters of mercury?

To convert torr to millimeters of mercury, divide the number of torr by 1.00000014247. 1 Torr = 1 mmHg.

Conversion formula

Millimeter of Mercury = Torr ÷ 1.00000014247

Torr to millimeters of mercury conversion table

Torr (Torr)Millimeters of Mercury (mmHg)
1 Torr1 mmHg
10 Torr10 mmHg
100 Torr100 mmHg
500 Torr500 mmHg
760 Torr760 mmHg
1,000 Torr1,000 mmHg

What is Torr?

Torr is a pressure unit used to express mechanical, atmospheric or process pressure values.

Short history of Torr

Named after Evangelista Torricelli, who invented the mercury barometer in 1643, the torr is defined as 1/760 of a standard atmosphere. It is common in vacuum technology.

Open the Torr unit guide

What is Millimeter of Mercury?

The millimeter of mercury is a pressure unit based on the height of a mercury column. It remains historically important in medicine and laboratory practice.

Short history of Millimeter of Mercury

mmHg became established through mercury manometers and retained long-term use in blood pressure readings and vacuum-related references.

Open the Millimeter of Mercury unit guide

Frequently asked questions

What is 1 Torr in Millimeter of Mercury?

1 Torr = 0.999999857534 mmHg.

How do you convert Torr to Millimeter of Mercury?

To convert torr to millimeters of mercury, divide the number of torr by 1.00000014247. 1 Torr = 1 mmHg.

Frequently asked questions

How many millimeters of mercury are in 1 torr?

1 Torr = 1 mmHg.

How do you convert torr to millimeters of mercury?

To convert torr to millimeters of mercury, divide the number of torr by 1.00000014247. 1 Torr = 1 mmHg.

How many torr are in 1 millimeter of mercury?

1 mmHg = 1 Torr.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Pressure and Gas Flow Unit Conversions
  3. NIST: Guide to the SI — Conversion Factors

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