Yerba Mate Caffeine Calculator
Estimate yerba mate caffeine from the amount of dry leaf, water volume and number of servings. Results are typical estimates, not exact measurements.
Result
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Estimated caffeine
— mg per serving
- Total caffeine consumed
- —
- Water extraction factor
- —
Typical values vary with leaf, brewing, steep time and brand. This is an estimate, not a diagnosis or medical advice.
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How the yerba mate caffeine calculation works
This yerba mate caffeine calculator starts with the supplied working figure of 13 mg of caffeine per gram of dry yerba mate leaf. It then adjusts that estimate with a water-volume extraction factor based on the source's 240 mL reference serving.
The result is an estimate per serving, then multiplied by the number of servings for total caffeine consumed. Actual caffeine varies substantially with brewing, leaf, steep time and brand, so treat the output as a typical estimate rather than a guarantee.
caffeine per serving = mate grams × 13 mg/g × min(1, water mL ÷ 240 mL); total = per serving × servings A single caffeine estimate is not a diagnosis. Daily reference figures and individual decisions belong with a qualified clinician, especially during pregnancy or for adolescents.
FDA: Spilling the Beans: How Much Caffeine is Too Much? ↗USDA FoodData Central ↗
Yerba mate caffeine calculator FAQ
How much caffeine does yerba mate have?
The supplied reference lists dry yerba mate leaf at a working figure of 13 mg per gram, while brewed yerba mate is listed at 85 mg per 240 mL serving. Actual values vary with preparation.
Why does water volume change the estimate?
This calculator uses water volume to create a bounded extraction factor: water below 240 mL reduces the estimate, while 240 mL or more uses the full working figure. This is a simple estimate, not a laboratory measurement.
Does the result include every refill of a traditional gourd?
It multiplies the estimated per-serving amount by the servings you enter. Traditional gourd refills can extract less caffeine over time, so this model should not be read as a precise refill-by-refill result.
Are the results saved?
No. The calculation runs in your browser and this tool does not save the values you enter.
Can this tell me how much caffeine I should consume?
No. It estimates caffeine from your entered preparation and does not recommend an intake amount or provide medical advice.