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Convert Millimeters of Mercury to Torr

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Science

Pressure Converter
10 sig. figures
Formula1 mmHg ร— 1 = 1 Torr
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About Pressure Conversions

Pressure units span diverse fields: pascals dominate engineering, atmospheres and bars are used in diving and industrial applications, millimeters of mercury (mmHg) are standard in medicine for blood pressure, and pounds per square inch (PSI) are ubiquitous in tire pressure and pneumatic systems. Weather reports use hectopascals (millibars) or inches of mercury depending on the region. Converting between these units accurately is safety-critical in applications like dive planning, where pressure miscalculations can be life-threatening.

Quick Conversions

Millimeters of MercuryTorr
1 mmHg1 Torr
2 mmHg2 Torr
5 mmHg5 Torr
10 mmHg10 Torr
25 mmHg25 Torr
50 mmHg50 Torr
100 mmHg100 Torr
250 mmHg250 Torr
500 mmHg500 Torr
1000 mmHg1000 Torr
Unit NameSymbolPer 1 Millimeter of Mercury
Atmosphereatm0.00131579
Barbar0.00133322
Inch of MercuryinHg0.03937
KilopascalkPa0.133322
MegapascalMPa0.000133322
Millibarmbar1.33322
Millimeter of MercurymmHg1
PascalPa133.322
PSIpsi0.0193367
TorrTorr1

Frequently Asked Questions

How do I convert Millimeters of Mercury to Torr?

To convert Millimeters of Mercury to Torr, use the conversion where 1 Millimeter of Mercury (mmHg) = 1 Torr (Torr). For example, 1 Millimeter of Mercury = 1 Torr.

What are common Millimeter of Mercury to Torr conversions?

Here are common conversions: 1 Millimeters of Mercury = 1 Torr, 5 Millimeters of Mercury = 5 Torr, 10 Millimeters of Mercury = 10 Torr, 25 Millimeters of Mercury = 25 Torr, 50 Millimeters of Mercury = 50 Torr, 100 Millimeters of Mercury = 100 Torr.

When would I need to convert Millimeters of Mercury to Torr?

Pressure conversions run through weather forecasting (millibars to inches of mercury), tire maintenance (PSI to bar), diving calculations (atmospheres), industrial engineering (pascals), and medical work (mmHg for blood pressure).

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.

Sources

Read our full methodology โ†’