Millimeters of Mercury to Torrs Converter

How to convert millimeters of mercury to torrs

FormulaTorr = mmHg × 1.000000142

Multiply the value in millimeters of mercury by 1.000000142. To go the other way, multiply by 0.9999998575 (or divide by 1.000000142).

A millimeter of mercury is larger than a torr: one millimeter of mercury contains 1.000000142 torrs.

Worked examples

1 millimeter of mercury1 mmHg × 1.000000142 = 1.000000142 Torr
5 millimeters of mercury5 mmHg × 1.000000142 = 5.000000712 Torr
10 millimeters of mercury10 mmHg × 1.000000142 = 10.00000142 Torr
20 millimeters of mercury20 mmHg × 1.000000142 = 20.00000285 Torr
100 millimeters of mercury100 mmHg × 1.000000142 = 100.0000142 Torr

Millimeters of mercury to torrs conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Millimeters of mercury to torrs: 0.1–10 mmHg
Millimeters of mercury (mmHg)	Torrs (Torr)
0.1 mmHg	0.10000001 Torr
0.25 mmHg	0.25000004 Torr
0.5 mmHg	0.50000007 Torr
1 mmHg	1.0000001 Torr
2 mmHg	2.0000003 Torr
3 mmHg	3.0000004 Torr
4 mmHg	4.0000006 Torr
5 mmHg	5.0000007 Torr
6 mmHg	6.0000009 Torr
7 mmHg	7.000001 Torr
8 mmHg	8.0000011 Torr
9 mmHg	9.0000013 Torr
10 mmHg	10.000001 Torr

Millimeters of mercury to torrs: 12–1,000 mmHg
Millimeters of mercury (mmHg)	Torrs (Torr)
12 mmHg	12.000002 Torr
15 mmHg	15.000002 Torr
20 mmHg	20.000003 Torr
25 mmHg	25.000004 Torr
30 mmHg	30.000004 Torr
40 mmHg	40.000006 Torr
50 mmHg	50.000007 Torr
75 mmHg	75.000011 Torr
100 mmHg	100.00001 Torr
250 mmHg	250.00004 Torr
500 mmHg	500.00007 Torr
1,000 mmHg	1,000.0001 Torr

About the units

Millimeter of mercury (mmHg)

The conventional mmHg is 133.322387415 Pa. Blood pressure is measured in mmHg (e.g. 120/80).

Torr (Torr)

Exactly 1/760 of a standard atmosphere; used in vacuum technology. One torr equals 133.3223684 pascals (Pa).

Frequently asked questions

How many torrs are in one millimeter of mercury?

There are 1.000000142 torrs in one millimeter of mercury, and this value is exact by definition.

How do I convert millimeters of mercury to torrs?

Multiply the number of millimeters of mercury by 1.000000142. For example, 10 mmHg × 1.000000142 = 10.00000142 Torr.

How many millimeters of mercury are in one torr?

One torr equals 0.9999998575 millimeters of mercury. That is the reverse factor, 1 ÷ 1.000000142.

What is 10 millimeters of mercury in torrs?

10 mmHg = 10.00000142 Torr.

Is this mmHg to Torr converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.