CPR Chest Compression Depth: Adult, Child & Infant Guidelines

Adult:

- At least 2 inches (5 centimeters)

- No more than 2.4 inches (6 centimeters)

Child (1 year and older):

- At least 2 inches (5 centimeters)

- No more than 2.4 inches (6 centimeters)

Infant:

- At least 1.5 inches (4 centimeters)

- No more than 2 inches (5 centimeters)