mmHg to Bar
Convert mmhg to bar instantly. 1 mmHg = 0.0013332239 bar. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert mmhg to bar
To convert mmhg to bar, divide by 750.0615758457 (multiply by 0.0013332239). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
bar = mmHg × 0.0013332239
mmHg to Bar conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| mmHg | Bar |
|---|---|
| 1 mmHg | 0.001333 bar |
| 2 mmHg | 0.002666 bar |
| 3 mmHg | 0.004 bar |
| 5 mmHg | 0.006666 bar |
| 10 mmHg | 0.013332 bar |
| 20 mmHg | 0.026664 bar |
| 25 mmHg | 0.033331 bar |
| 50 mmHg | 0.066661 bar |
| 100 mmHg | 0.133322 bar |
| 500 mmHg | 0.666612 bar |
| 1,000 mmHg | 1.333224 bar |
What is a mmhg?
Millimetres of mercury, still the clinical unit for blood pressure.
What is a bar?
Defined as exactly 100 kPa, very close to one atmosphere at sea level.
The formula
bar = mmHg × 0.0013332239
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the mmHg to Bar
- Type the number of mmhg you want to convert.
- Read the result in bar straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked bar to mmhg page.
mmHg to Bar — frequently asked questions
How many bar are in a mmhg?
One mmhg equals 0.0013332239 bar. bar = mmHg × 0.0013332239
What is the formula to convert mmhg to bar?
The formula is bar = mmHg × 0.0013332239. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert bar back to mmhg?
Divide instead of multiplying: one bar is 750.0615758457 mmHg. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this mmhg to bar free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the mmhg to bar.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error