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Caffeine equivalency conversions

Particularly paraquat and/or rotenone

Particularly trichloroethylene

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Caffeine Equivalency

The following sources of caffeine are approximately equivalent to three cups of coffee.

Caffeine Source Approximate Equivalencies
Brewed coffee 3 cups
Espresso 4.5 1 o.z. cups
Black tea 6 cups
Green tea 10 cups
Age limitation

This tool does not account for young onset Parkinson’s disease (YOPD), which is when PD develops in people younger than 50. If this might be you, you can learn more about YOPD.

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