Caffeine Calculator
Calculate your safe and effective caffeine intake for energy and performance
Caffeine Calculator
Find your optimal caffeine intake for energy without the jitters
Your Caffeine Recommendation
✓
Recommended Dose
--mg
Per serving for your goal
Daily Maximum
--mg
Do not exceed
Your Dose Level
Low
Moderate
High
0 mg
0
200
400
600+
That's Equivalent To
Coffee
(8 oz cup)
-- cups
Black Tea
(8 oz cup)
-- cups
Energy Drink
(8 oz can)
-- cans
Espresso
(1 shot)
-- shots
Pre-Workout
(1 scoop)
-- scoops
Dark Chocolate
(1 oz)
-- oz
Optimal Timing
Peak Effect
30-60 min
After consumption
⏱
Half-Life
5-6 hours
In your system
Cutoff Time
2 PM
For quality sleep
Pro Tips for Healthy Caffeine Use
Delay First Dose
Wait 1-2 hours after waking to let cortisol naturally peak
Stay Hydrated
Caffeine is a mild diuretic - drink extra water
Take Breaks
1-2 week breaks every few months to reset tolerance
Pair with L-Theanine
100-200mg for smooth energy without jitters
Signs of Too Much Caffeine
Anxiety, jitters, rapid heartbeat, insomnia, digestive issues. If you experience these, reduce your intake gradually.
Caffeine sensitivity varies greatly. Pregnant women should limit to 200mg/day. Consult a doctor if you have heart conditions, anxiety disorders, or are taking medications.
Caffeine
Optimize alertness without jitters.