Oxygen saturation
Why SpO₂ needs measurement.
Calculator
How to use
SpO₂
Use a pulse oximeter.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Why SpO₂ needs measurement.
Use a pulse oximeter.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Model / formula
SpO₂ is measured, not derived here
Note
Pulse oximetry reads oxygen saturation directly. This app does not estimate SpO₂ from other vitals — use a pulse oximeter or clinical assessment.