Caffeine Cutoff Calculator

Find the latest time you can have caffeine and still sleep well.

Drink

Age Group

Bedtime11:00 PM

Your Caffeine Cutoff

Last Drip Coffee (8 oz) by

12:24 PM

Cutoff

Bedtime

6AM9AM12PM3PM6PM9PM12AM3AM

Caffeine

95 mg

Half-life

5.5 hrs

Metabolism time

10.6 hrs