Hyperbaric Chamber Oxygen Toxicity Calculator
Hyperbaric medicine & technical diving: Calculate oxygen partial pressure ($PO_2$), cumulative Pulmonary Toxicity Dose ($UPTD / OTU$), Central Nervous System ($CNS\%$) toxicity clock, and safe exposure limits.
Chamber Pressure & Breathing Gas
Standard HBOT = 2.0 to 2.8 ATA
2.4 ATA ≈ 46.2 fsw / 14 msw
100% O2 mask or air break (21%)
Standard session 60–90 min
Oxygen Toxicity Exposure Budget
Oxygen Partial Pressure PO_2:
--
-- kPa
CNS Toxicity Clock:
--
% of NOAA daily limit
Pulmonary Dose (UPTD / OTU):
--
Cumulative lung toxicity units
Equivalent Seawater Depth:
--
Hydrostatic equivalent
| CNS Single-Exposure Limit: | -- |
| Daily Pulmonary Threshold: | -- |
| Paul Bert Effect (CNS Convulsion Risk): | -- |
| Lorrain Smith Effect (Pulmonary): | -- |
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