Health, Fitness & Wellness

Daily Caffeine Intake Calculator from Coffee and Energy Drinks

Sum mg from each drink type vs ~400 mg/day adult guidance.

Add up caffeine milligrams from coffee, tea, and energy drinks. Estimates only—not a diagnosis or prescription.

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Inputs save on this device only. Share a link to reopen your exact numbers.

Inputs

010
50200
010
1080
05
80300

Smart analysis

Recommendations

Tailored to your live inputs and result—guidance only, not professional advice.

  • Interpret

    Treat this as a planning estimate

    Primary result: Total caffeine = 325 mg. Re-run with optimistic and pessimistic inputs to understand the range—not just a single point.

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Plain-English guide

Terms & how it works

Confused by a field? Read the short definitions here while you use the tool.

  • Coffee cups

    One-time or recurring costs that affect total money paid.

  • Mg per coffee

    One-time or recurring costs that affect total money paid.

  • Tea cups

    The “Tea cups” value used in this tool’s formula. Adjust it to see results update live.

  • Mg per tea

    The “Mg per tea” value used in this tool’s formula. Adjust it to see results update live.

  • Energy drinks

    The “Energy drinks” value used in this tool’s formula. Adjust it to see results update live.

  • Mg per energy drink

    The “Mg per energy drink” value used in this tool’s formula. Adjust it to see results update live.

How this calculator works

Add up caffeine milligrams from coffee, tea, and energy drinks. Estimates only—not a diagnosis or prescription. Sum mg from each drink type vs ~400 mg/day adult guidance. Example: 3 coffees (95 mg) + 1 energy (160 mg) → 445 mg total.

Sum mg from each drink type vs ~400 mg/day adult guidance.

Example: 3 coffees (95 mg) + 1 energy (160 mg) → 445 mg total.

When to use this Daily Caffeine Intake

Common use cases

  • Add up caffeine milligrams from coffee, tea, and energy drinks.
  • Sanity-check with this case: 3 coffees (95 mg) + 1 energy (160 mg) → 445 mg total.
  • The relationship is: Sum mg from each drink type vs ~400 mg/day adult guidance.

Localized examples

  • Health, Fitness & Wellness: the example on this page uses the same formula as the widget.

What you get

  • Fields: Coffee cups, Mg per coffee, Tea cups, Mg per tea
  • Sum mg from each drink type vs ~400 mg/day adult guidance.
  • Example on the page: 3 coffees (95 mg) + 1 energy (160 mg) → 445 mg total.

How to Calculate Daily Caffeine Intake Step-by-Step

  1. 1Enter Coffee cups, Mg per coffee, Tea cups, then the remaining fields. Use the values you have, not a catalog average, unless that is all you know.
  2. 2Sum mg from each drink type vs ~400 mg/day adult guidance.
  3. 3Worked case: 3 coffees (95 mg) + 1 energy (160 mg) → 445 mg total.
  4. 4If this number would change a drug, a diet, or a return-to-play call, take it to a clinician. The page never examined you.

Governing formula

Sum mg from each drink type vs ~400 mg/day adult guidance.

3 coffees (95 mg) + 1 energy (160 mg) → 445 mg total.

Example: set Coffee cups = 3, Mg per coffee = 95, Tea cups = 1, then read the result.

Variable definitions

  • coffeeCups

    Coffee cups

    The “Coffee cups” field. Default 3; typical range 0–10.

  • mgPerCoffee

    Mg per coffee

    The “Mg per coffee” field. Default 95; typical range 50–200.

  • teaCups

    Tea cups

    The “Tea cups” field. Default 1; typical range 0–10.

  • mgPerTea

    Mg per tea

    The “Mg per tea” field. Default 40; typical range 10–80.

  • energyDrinks

    Energy drinks

    The “Energy drinks” field. Default 0; typical range 0–5.

  • mgPerEnergy

    Mg per energy drink

    The “Mg per energy drink” field. Default 160; typical range 80–300.

  • The formula (Sum mg from each drink type vs ~400 mg/day adult guidance.) does not see labs, medications, sleep, or injury history. A clinician does.
  • Nothing here is uploaded for the calculation itself.

Frequently Asked Questions

Sum mg from each drink type vs ~400 mg/day adult guidance.

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Reviews & Ratings

See what others think about this tool, then leave your own rating to help improve CalculioHub.

4.8

out of 5.0

4 reviews

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Your rating

Aisha K.

Mar 12, 2026

Clean layout and the results update instantly. Exactly what I needed for a quick planning check.

Daniel R.

Feb 28, 2026

Very usable on mobile. Would love a save/export option later, but the math feels solid.

Priya S.

Feb 3, 2026

The FAQ section answered my questions before I even had to search. Smooth dark mode too.

Marcus L.

Jan 19, 2026

Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.

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