Free tool
CPR metronome
A compression-rate trainer that beeps at 110 per minute and counts cycles of 30. Use it to practise on a cushion, or during a real emergency after calling for help.
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Compressions: 0 · Time: 0s
Turn your volume up. Higher beep = 30th compression.
Remember
- Call your emergency number first and put it on speaker.
- Heel of hand, centre of chest, arms straight.
- Push 5–6 cm deep, let the chest fully recoil.
- Don't stop until an AED or help takes over.