🫀 Blood Pressure
Enter the top (systolic) and bottom (diastolic) numbers from your BP monitor, in mmHg. Leave blank if you don't have a reading.
sys
/
dia
mmHg
💓 Heart Rate
Measure after sitting quietly for 5 minutes. Leave blank if you don't have a reading.
bpm
🫁 Oxygen Saturation
Read from a pulse oximeter after resting for at least 1 minute. Remove nail polish if worn. Leave blank if you don't have a reading.
% SpO₂

Please enter at least one reading to continue.

🚨

Not medical advice. These are general reference ranges for healthy adults, based on NHS guidance. They do not apply to children, pregnant women, or people with pre-existing conditions — your personal normal range may differ significantly. If a reading concerns you, contact your GP or call NHS 111. In an emergency — chest pain, collapse, or severe breathlessness — call 999 immediately.