Just how much is too much of a good thing? We’re often warned about the dangers of excessive coffee drinking but don’t see the numbers to support this. And to be specific, it’s not the coffee but the caffeine inside it that’s dangerous. Coffee is addictive and some people can’t get through their mornings without it.

Here is a chart that will provide examples of when your coffee becomes lethal.

Infographic: How Much Coffee Will Kill You?

*Note: The number of cups varies based on weight. This chart shows lethal numbers for a person weighing 177 pounds.

>>> Enter your weight to find out your lethal dosage

How Much Coffee Will Kill You?

*Note: The number of cups varies based on weight. This chart shows lethal numbers for a person weighing 177 pounds.

>>> Enter your weight to find out your lethal dosage



How much coffee should you consume?

Type of Coffee Daily Safe Maximum
*Note: The number of cups varies based on weight. This chart shows lethal numbers for a person weighing 177 pounds.

>>> Enter your weight to find out your lethal dosage

Instant 8.5 cups per day*

Based on 8 fl. oz serving.

Espresso 6.3 shots per day*

Based on 1.5 fl. oz serving.

Brewed 3.0 cups per day*

Based on 8 fl. oz serving.

Cappuccino 3.1 cups per day*

Based on 12 fl. oz serving.

Latte 3.1 cups per day*

Based on 16 fl. oz serving.

Bulletproof Coffee 3.3 cups per day*

Based on 8 fl. oz serving.

Americano Coffee 3.1 cups per day*

Based on 12 fl. oz serving.

Turkish Coffee 9.6 cups per day*

Based on 2 fl. oz serving.

Coffee (Decaf, Instant) 192.7 cups per day*

Based on 8 fl. oz serving.

Coffee (Decaf, Brewed) 86.0 cups per day*

Based on 8 fl. oz serving.

Starbucks Cold Brew Coffee 2.4 cups per day*

Based on 16 fl. oz serving.

Dunkin’ Donuts Iced Coffee 1.6 cups per day*

Based on 24 fl. oz serving.



Just how much is too much of a good thing? We’re often warned about the dangers of excessive coffee drinking but don’t see the numbers to support this. And to be specific, it’s not the coffee but the caffeine inside it that’s dangerous. Coffee is addictive and some people can’t get through their mornings without it.

There are a variety of ways to get your brew, from instant powders used at home to high-end chains. All of these have different thresholds for when their java becomes fatal. And even if you don’t die, there are still negative side effects to extreme coffee drinking. When you consume too much of it, your brain would be triggered into producing hallucinations and you’d experience a manic state. While a normal serving provides a burst of energy and positive chemical release, those good feelings can quickly disappear.

Besides mania, you might also feel jittery, your anxiety levels would rise and your moods become unstable, leading to irritability. Another common symptom is feeling an increased pounding of your heart, as though it might explode. That scary feeling comes from when you drink too much coffee and your body can’t handle it. But there has to be a way to know beforehand how much you can handle. There have been studies to find out just what levels of caffeine toxicity are harmful and in what volume. Unfortunately, caffeine-intake is like any other drug: it affects each person differently.

People under 18, women and those with low-caffeine tolerance are also at risk for the negative effects of coffee. So while there is no general conclusion (other than too much is bad for everyone), studies have found and measured how much coffee will lead to your end.

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