Arterial pCO2 unit converter
Convert arterial pCO2 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 |
|---|---|
| 10 | 1.3 |
| 20 | 2.7 |
| 30 | 4 |
| 35 | 4.7 |
| 40 | 5.3 |
| 45 | 6 |
| 50 | 6.7 |
| 60 | 8 |
| 70 | 9.3 |
| 80 | 10.7 |
| 90 | 12 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Arterial pCO2 page.
| Who | mmHg | kPa |
|---|---|---|
| Adults | 35–45 | 4.7–6 |