Caffeine Calculator
Calculate your optimal caffeine intake and timing
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Your current body weight
Your caffeine sensitivity level
Your usual sleep time (24-hour format)
Your current daily caffeine intake
About This Tool
Determine your safe daily caffeine limit and the best time to stop consuming caffeine for quality sleep.
Frequently Asked Questions
How much caffeine is safe?
Generally 3-5mg per kg of body weight per day, but varies by sensitivity.
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