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Caffeine Intake Calculator

Track daily caffeine consumption to stay within safe limits.

Your Caffeinated Drinks

Examples: coffee 1–3, espresso 1–2

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Complete Guide to Caffeine Intake

Use this space for your comprehensive guide on caffeine limits and sources.

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Frequently Asked Questions

About caffeine and health

What is a safe daily caffeine limit?

Up to ~400 mg/day for healthy adults; lower for pregnancy and teens.

Does caffeine late in the day affect sleep?

Yes—avoid within 6–8 hours of bedtime due to its half-life.

Do energy drinks have more caffeine than coffee?

Often comparable per serving; cans may contain multiple servings.

Is decaf caffeine‑free?

No—decaf still contains small amounts (typically 2–15 mg/cup).

Can caffeine raise heart rate?

Yes—sensitivity varies; reduce intake if palpitations occur.

Are there hidden sources of caffeine?

Yes—OTC meds, supplements, chocolate, and some snacks.

How should I taper caffeine?

Reduce by ~25% weekly; mix in decaf; hydrate well.

Does caffeine dehydrate you?

Mildly diuretic, but moderate intake contributes to hydration.

Is espresso stronger than brewed coffee?

Per ounce yes; total mg depends on serving size.

What if I’m very sensitive?

Stay well below 400 mg; consider limiting to 100–200 mg/day.

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Caffeine Intake Calculator

Track daily caffeine consumption to stay within safe limits.

How to use Caffeine Intake Calculator

Step-by-step guide to using the Caffeine Intake Calculator:

  1. Enter your values. Input the required values in the calculator form
  2. Calculate. The calculator will automatically compute and display your results
  3. Review results. Review the calculated results and any additional information provided

Frequently asked questions

How do I use the Caffeine Intake Calculator?

Simply enter your values in the input fields and the calculator will automatically compute the results. The Caffeine Intake Calculator is designed to be user-friendly and provide instant calculations.

Is the Caffeine Intake Calculator free to use?

Yes, the Caffeine Intake Calculator is completely free to use. No registration or payment is required.

Can I use this calculator on mobile devices?

Yes, the Caffeine Intake Calculator is fully responsive and works perfectly on mobile phones, tablets, and desktop computers.

Are the results from Caffeine Intake Calculator accurate?

Yes, our calculators use standard formulas and are regularly tested for accuracy. However, results should be used for informational purposes and not as a substitute for professional advice.