What should I know 1: Daily Caffeine Guide
Adult limit is typically 400 mg per day.
Check your safe daily caffeine limits.
Caffeine can boost focus, but too much can lead to jitteriness or sleep issues. Find your personal balance.
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This tool produces estimates from common formulas. Results are informational and should not be used on their own for diagnosis or treatment decisions.
Short answers to common questions about how to read this calculator page.
Adult limit is typically 400 mg per day.
Pregnant women should limit intake to 200 mg.
Tolerance varies significantly between individuals.
Be mindful of 'hidden' caffeine in sodas and tea.
Avoid caffeine late in the day for better sleep.