Track your caffeine.
Fuel your day smarter.
Tap a drink to start tracking.
Free tools to track your daily caffeine intake, see how long it stays in your system, and find the caffeine content of 36+ beverages — coffee, tea, soda, energy drinks, and chocolate.
36+ drinks · ~5 hr half-life · 400 mg daily limit
Sourced from FDA, USDA, EFSA, ACOG & AAP — cited on every page.
All caffeine tools
Free, fast, no signup. Start with the calculator, or jump straight to any tool below.
Caffeine Intake Calculator
Add every caffeinated beverage you drank today — coffee, tea, soda, energy drinks, chocolate — and we'll total the caffeine in mg and check it against the safe daily limit for your demographic. Free, no signup, results in under 30 seconds.
Health & Sleep
Research & Compare
Drink smarter, sleep better
Three things every coffee drinker should know about caffeine — and the free tools that show you the numbers.
Stay under safe limits
The FDA recommends no more than 400 mg of caffeine per day for healthy adults. Our calculator checks your intake against the safe limit for your demographic.
- Healthy adults
- 400 mg
- Pregnant or breastfeeding women
- 200 mg
- Adolescents (12–18)
- 100 mg
- Children under 12
- Avoid
Protect your sleep
Caffeine has a 5-hour half-life, so an afternoon coffee can still be active at bedtime. Find your personal cutoff time based on your usual dose.
For a regular cup of coffee. Bigger doses need a longer cutoff.
Know your drinks
Not all caffeine sources are equal. Browse 36+ beverages and find the exact caffeine content per serving.
- Starbucks Pike Place (Grande 16 oz)310 mg
- Bang Energy (16 oz)300 mg
- Chocolate-Covered Espresso Beans227 mg
- Starbucks Cold Brew (Grande 16 oz)205 mg
- Cold Brew Coffee200 mg