A caffeine half-life calculator is used to estimate the time it takes for half of the consumed caffeine to be eliminated from your body. It typically considers factors such as:

• The amount of caffeine consumed
• Your body weight
• Your caffeine sensitivity
• Any relevant health conditions

This calculator can help individuals:

1. Manage their caffeine intake
2. Understand how long caffeine affects their system
3. Plan when to stop consuming caffeinated beverages before bedtime