pCO2: convert mmHg to kPa
kPa = mmHg × 0.1333
Calculator
Enter a value in any unit and all other units fill in.
Conversion formulas
| mmHg → kPa | kPa = mmHg × 0.1333 |
|---|---|
| kPa → mmHg | mmHg = kPa × 7.501 |
Conversion table
Highlighted: values inside the adult reference range.
| mmHg | kPa |
|---|---|
| 10 | 1.333 |
| 20 | 2.666 |
| 30 | 4 |
| 40 | 5.333 |
| 50 | 6.666 |
| 60 | 7.999 |
| 70 | 9.333 |
| 80 | 10.67 |
| 90 | 12 |
| 100 | 13.33 |
Reference range
38 – 42 mmHg = 5.066 – 5.599 kPa
Source: MedlinePlus (NLM): Blood gases · Last reviewed: 2026-10-14