Coffee (Coffee) Caffeine Calculator
Estimate total caffeine intake (mg) from coffee type, volume, and number of cups.
Input Data
Volume
Cups
Results
190
drip 250ml × 2 cups → 190 mg caffeine.
At a glance:Estimate total caffeine intake (mg) from coffee type, volume, and number of cups.
Formula
Caffeine (mg) = per-cup caffeine × (volume ÷ 250) × cups.
Espresso is counted per shot.
How to Use
- Pick the coffee type.
- Enter the volume per cup and number of cups.
- The calculator returns total caffeine and compares it to the 400mg daily limit.
FAQ
What is the limit?
Adults about 400 mg/day; pregnant women are advised under 200 mg.
How is it different from tea-ratio?
tea-ratio sets tea strength; this focuses on caffeine amount.
Precision?
Integer mg.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.