Enter valid weight
Safe Daily Limit
Recommended maximum for healthy adults
High Risk Threshold
May cause adverse effects
Lethal Dose (LD50)
Potentially fatal amount – avoid at all costs
Safe Daily Limit Equivalents
Important: Individual tolerance varies. Pregnant women, children, and those with heart conditions should consult healthcare providers about caffeine consumption.

How to Use Caffeine Overdose Calculator by Weight

  1. Input weight and select measurement unit
  2. Press calculate to determine your caffeine limits
  3. Review safe limits, risk thresholds, and beverage equivalents