Caffeine Calculator

What is the Caffeine Calculator?

The Caffeine Calculator calculates your daily caffeine intake from coffee, tea, cola, and energy drinks. According to the European Food Safety Authority (EFSA), the daily caffeine intake for adults should not exceed 400 milligrams, and during pregnancy, the recommendation is 200 milligrams.

The calculator is free, works in your browser without registration, and shows the result as soon as you change the values. The calculation is done on your device, and the information you enter is not sent anywhere.

Formula and Calculation Principle

Total caffeine = coffee × 95 mg + espresso × 63 mg + tea × 47 mg + cola × 33 mg + energy drink × 80 mg. Compared to the limit of 400 mg (adult) or 200 mg (pregnant).

Practical Example

Three cups of coffee, one tea, and one cola: 285 + 47 + 33 = 365 mg, which is below the adult maximum of 400 mg. With default values, the calculator gives the result: Caffeine per day 365 mg.

Who is the calculator suitable for?

For coffee and energy drink users, pregnant individuals, and anyone who wants to monitor their caffeine intake.

Tips and Considerations

• Avoid caffeine 6–8 hours before bedtime.
• During pregnancy, stay within the 200 mg limit.
• Check the caffeine content of energy drinks on the packaging.