mmHg to atmosphere (mmHg → atm)
Unit ConverterConverting mmHg (mmHg) to atmosphere (atm), 1mmHg is about 0.001316atm.
What is it
mmHg is a pressure unit, as is atmosphere. Their relation is fixed: 1mmHg = 0.001316atm.
atm = mmHg ÷ 760
How to use
- 1Enter the mmHg (mmHg) value.
- 2See the atmosphere (atm) result instantly.
- 3Switch units to convert again if needed.
Reference
| mmHg | atm |
|---|---|
| 1 | 0.001316 |
| 10 | 0.013158 |
| 76 | 0.1 |
| 380 | 0.5 |
| 760 | 1 |
| 1520 | 2 |
Sources & standards
FAQ
How many atmospheres is 760mmHg?
Exactly 1atm, by the definition of the standard atmosphere.
How do I convert atm back to mmHg?
Compute mmHg = atm × 760.
How many atm is 10mmHg?
About 0.013158atm (10 ÷ 760).
Is mmHg the same as torr?
Practically yes. The torr is defined as 1/760atm, and it differs from the mmHg by less than one part in ten million, so they are interchangeable in ordinary calculations.
Is my input sent to a server?
No. Every conversion runs instantly inside your browser; the values you enter are never sent to a server or stored.