Arterial pO2 unit converter
Convert arterial pO2 between mmHg and kPa. Type in either box. The factors come from our catalog and are checked by code.
AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03
1 mmHg = 0.1333 kPa. Nothing you type here leaves your browser.
The conversion
- 1 mmHg = 0.1333 kPaFrom mmHg to kPa: divide by 7.501. Back again: multiply by 7.501.
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| mmHg | kPa |
|---|---|
| 20 | 2.7 |
| 40 | 5.3 |
| 60 | 8 |
| 68 | 9.1 |
| 75 | 10 |
| 80 | 10.7 |
| 100 | 13.3 |
| 120 | 16 |
| 140 | 18.7 |
| 160 | 21.3 |
| 180 | 24 |
| 200 | 26.7 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Arterial pO2 page.
| Who | mmHg | kPa |
|---|---|---|
| Adults | 75–100 | 10–13.3 |
| 75+ | 68 and above | 9.1 and above |