This test shows you how efficient your breathing is and how well your body uses oxygen
Measurement Guide
Get ready
- Keep your mouth closed throughout.
- Sit on the front edge of your chair, sit up straight, and relax.
- Wait for your breathing to settle.
Pinch & Start
- After a normal breath in and a normal, natural breath out, pinch your nose — and tap anywhere on this screen to start the invisible timer.
Release & Stop
- Hold your nose only as long as it feels comfortable — that is, only until the first sign of air hunger.
- As you release your nose, tap anywhere on the next screen to stop the timer.
TAP TO START
MEASURING IN PROGRESS
Tap to stop.
| Result | Assessment | Breathing Efficiency Index* |
|---|---|---|
| 10 sec | Weak | ~30% |
| 20 sec | Low | ~50% |
| 30 sec | Moderate | ~70% |
| 40 sec | Good | ~90% |
| 50+ sec | Very good | 100% |
Your result: 0 sec
Your Breathing Efficiency Index*: --%
*The Breathing Efficiency Index reflects your body's oxygen utilization capacity. This test is an educational estimate, not a medical diagnosis, and does not replace medical examination.