mmHg to atm
Instantly convert millimeters of mercury to standard atmospheres. One atmosphere equals exactly 760 mmHg.
Result
1 atm
About this calculator
Millimeters of mercury (mmHg) is a pressure unit commonly used in medicine, meteorology, and laboratory settings. One standard atmosphere is defined as exactly 760 mmHg, making this a simple division. This converter uses Decimal.js for precise results.
How to use the mmHg to atm converter
- Enter your value into the input field.
- Read the converted result.
- Adjust the input to try other values instantly.
- Copy the page URL to share the exact conversion.
Common examples
- 760 mmHg = 1.000000 atm (1 standard atmosphere)
- 380 mmHg = 0.500000 atm (half an atmosphere)
- 1520 mmHg = 2.000000 atm (two atmospheres)
- 101.325 mmHg ≈ 0.133322 atm
- 100 mmHg ≈ 0.131579 atm
Frequently asked questions
How does the mmHg to atm converter work?
Enter a value in the source unit and the calculator applies the standard conversion factor (or temperature formula, where relevant) to give you the equivalent value in the target unit. The result updates as you type.
When would I use a mmHg to atm converter?
Whenever you need to translate a quantity between two units of measurement — common cases include travel, cooking, shipping, engineering, science homework, and reading product specifications written in a different system.
How accurate is the mmHg to atm converter?
Conversions use the standard definitions of each unit and full-precision arithmetic. The displayed value is rounded for readability, but the underlying calculation keeps higher precision so repeated conversions do not drift.
Can I share a specific conversion with someone else?
Yes. Every value you enter updates the URL, so copying the address bar and sharing the link reopens the exact same conversion for whoever clicks it.