Conversion algorithm: saturations to kPa and mm Hg
Sa
o
2
(%)
Pa
o
2
(kPa)
Pa
o
2
(mm Hg)
97
12.7–14.0
95–105
94
9.3–10.0
70–75
92
8.9–9.7
67–73
90
7.7–8.3
58–62
87
6.9–7.7
52–58
84
6.1–6.9
46–52
Guideline threshold for advising in-flight oxygen:
82–84
<6.6
<50