Caffeine Intake Calculator

Track your daily caffeine intake from coffee, tea, soda, and energy drinks. Compare against FDA recommendations.

Coffees per Day

Coffee Size

Teas per Day

Sodas per Day

Energy Drinks per Day

Tab to move between fields

Daily Caffeine

335 mg

% of FDA Limit (400mg)84%

AssessmentModerate — within FDA recommendation

Hours to Clear System27.9 hrs

Weekly Total2,345 mg

How to Use This Calculator

Enter the number of coffees, teas, sodas, and energy drinks you consume per day.
Select the coffee cup size that matches your typical serving.
Enter your body weight to get a personalized assessment.
The calculator shows total daily caffeine in mg, percentage of the 400 mg FDA limit, and hours until it clears your system.
Adjust beverage counts to find a daily intake within a healthy range.

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Formula

Coffee: ~12mg/oz, Tea: ~47mg/cup, Soda: ~34mg/can, Energy drinks: ~160mg/can. FDA recommends ≤400mg/day for adults.

Scale any recipe up or down. Enter your original serving size and desired servings to get adjusted ingredient amounts.

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Calculate your Total Daily Energy Expenditure (TDEE) and daily calorie needs based on your age, weight, height, and activity level.

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