Does Decaf Coffee Have More Caffeine Than Tea?

Quick Answer

Decaf coffee has more caffeine than decaf tea. A 200ml cup of decaf coffee has around 7mg. Decaf tea has about 2mg. Regular black tea carries far more—up to 60mg per cup. Neither decaf drink is truly caffeine-free. For zero caffeine, herbal teas or chicory coffee are the safest swap.

Key Takeaways

• Decaf coffee has around 7mg of caffeine per 200ml cup—not zero.
  
• Decaf tea has even less—around 2mg per 200ml cup.
  
• Regular black tea contains 40 to 60mg of caffeine per 8oz cup.
  
• Herbal teas like rooibos and peppermint are naturally caffeine-free.
  
• "Decaf" is not the same as "caffeine-free"—those are two different things.
  
• Up to 400mg of caffeine per day is safe for most healthy adults.

You switched to decaf. Smart move. But then someone tells you decaf still has caffeine in it—and now you're staring at your mug and wondering if you've been fooling yourself this whole time.
Fair reaction. Decaf does still contain caffeine, just far less. And the amount varies quite a bit between decaf coffee and decaf tea. 

Decaf Coffee vs Tea

What Does "Decaf" Actually Mean?

Most people assume "decaf" means no caffeine. That's not quite right.

Decaf is short for decaffeinated. It means the natural caffeine was removed from a drink that already had it. Most of the caffeine gets extracted—but not all. Around 1% to 2% stays behind after the process.

"Caffeine-free" means something different entirely. It describes a product that never contained caffeine to begin with. Herbal teas like chamomile or peppermint fall into this category. They're made from herbs and roots—not actual tea leaves—so caffeine was never part of their story.

A decaf black tea, on the other hand, originally had caffeine. Some were removed. A trace amount remains. That trace is small, but it's still real, and it still counts toward your daily caffeine total. So, if someone hands you a "decaf" drink and says there's zero caffeine in it, that's not the full picture.

How Much Caffeine Is in Decaf Coffee?

A regular 200ml cup of coffee has around 100mg of caffeine. Decaf drops that down by about 93%. You're left with roughly 7mg per cup.

That's a dramatic cut. Most healthy adults can safely consume up to 400mg of caffeine per day, so one or two cups of decaf barely dents that number.

But things get more complicated at higher volumes. Six cups of decaf across the day adds up to around 42mg of caffeine. For pregnant women, people with anxiety, or anyone advised by a doctor to keep caffeine low, those extra milligrams still count. If caffeine sensitivity is a real concern for you, tracking your total intake—even from decaf—is worth doing.

How Much Caffeine Is in Different Teas?

Tea is not one thing. The caffeine level shifts a lot depending on which type you're drinking.

Here's the full breakdown:

• Regular black tea: 40 to 60mg per 8oz cup
  
• Green tea: around 15 to 30mg per cup
  
• Decaf tea: roughly 2mg per 200ml cup
  
• Herbal teas like rooibos, chamomile, peppermint, ginger: 0mg

Black tea sits at the top. Green tea is noticeably lower. Decaf tea is close to nothing. And herbal teas have no caffeine at all—they're not actual "tea" in the botanical sense. They're infusions made from herbs, flowers, and roots.

One thing worth noting with herbal teas: watch for liquorice as an ingredient. Liquorice root can raise blood pressure when consumed in large amounts. A cup here and there is fine, but it's good to know before you drink it daily.

So, Does Decaf Coffee Have More Caffeine Than Tea?

Yes—but only when compared to decaf tea or herbal tea.

Decaf coffee (7mg) clearly has more caffeine than decaf tea (2mg). That part is straightforward. But compare decaf coffee to regular black tea, and the numbers flip fast. Regular black tea contains 40 to 60mg per cup—significantly more than any cup of decaf coffee.

Green tea, with 15 to 30mg per cup, also sits higher than decaf coffee. Decaf coffee only beats the options that are already low in caffeine—decaf tea and herbal teas.

Here's the comparison laid out plainly:

• Decaf coffee (7mg) vs. decaf tea (2mg): decaf coffee is higher
  
• Decaf coffee (7mg) vs. regular black tea (40 to 60mg): regular black tea is higher
  
• Decaf coffee (7mg) vs. green tea (15 to 30mg): green tea is higher
  
• Decaf coffee (7mg) vs. herbal tea (0mg): decaf coffee is higher

Decaf coffee sits right in the middle of the caffeine range. Not the lowest—not even close to the highest.

Truly Caffeine-Free Alternatives

If your goal is zero caffeine, decaf options alone may not cut it. The trace amounts in decaf coffee and decaf tea are small, but they're real.

For coffee lovers:

There's no widely available natural caffeine-free coffee bean. The closest swap is chicory coffee. Chicory root is roasted and brewed in a way that produces a dark, slightly earthy drink with a flavor similar to regular coffee. It doesn't taste identical, but for anyone cutting caffeine fully, it fills the morning ritual gap very well.

For tea lovers:

Herbal teas are the go-to option. Rooibos, peppermint, chamomile, ginger, and hibiscus are all naturally caffeine-free. Rooibos—also called red tea—is especially worth trying. Its flavor is bolder and closer to black tea than most herbal blends. If you miss that rich, smooth tea taste, rooibos is a great place to start. Just avoid decaf black tea if you want truly zero caffeine. It still carries trace amounts. Go straight for the herbal variety and you remove the question entirely.

Do the Trace Amounts of Caffeine Actually Matter?

For most people, one or two cups of decaf per day causes no issues. The trace caffeine is too small to create any noticeable effects.

But think of it like a slow drip from a tap. One drip on its own does nothing. Left running all day, it fills a bucket faster than you'd expect. Drink six cups of decaf coffee and a couple of decaf teas throughout the day and those small amounts stack up. This matters more for people who react strongly to caffeine.

This becomes especially relevant during pregnancy. Medical guidelines recommend keeping caffeine under 200mg per day during pregnancy. At 7mg per cup of decaf coffee and 2mg per cup of decaf tea, the numbers climb gradually—without feeling noticeable. Switching to herbal teas or chicory coffee in that situation removes all the guesswork.

Conclusion

Decaf coffee has more caffeine than decaf tea—7mg versus 2mg per cup. But it has far less caffeine than regular black tea (40 to 60mg) or green tea (15 to 30mg). The answer changes entirely based on what type of tea you're comparing it to.

Neither decaf coffee nor decaf tea is fully caffeine-free. For a truly zero-caffeine option, herbal teas and chicory coffee are your best choices.

If you want great coffee taste with the lowest possible acidity and a clean caffeine profile, Lifeboost's low-acid organic decaf delivers smooth flavor without the stomach irritation that comes from harsh coffee acids. Your morning ritual doesn't have to suffer just because you're cutting back on caffeine.

Frequently Asked Questions (FAQs)

Does decaf coffee have any caffeine at all?

Yes. Decaf coffee has around 7mg per 200ml cup—about 93% less than regular coffee but not zero.

Which has more caffeine—decaf coffee or regular tea?

Regular black tea has far more. It contains 40 to 60mg per cup. Decaf coffee only has about 7mg.

Are herbal teas truly caffeine-free?

Most herbal teas are naturally caffeine-free. Rooibos, peppermint, chamomile, and ginger all contain zero caffeine.

What is the difference between decaf and caffeine-free?

Decaf means caffeine was removed from a product that originally had it. Caffeine-free means the product never had caffeine to begin with.

Is green tea lower in caffeine than decaf coffee?

No. Green tea has 15 to 30mg of caffeine per cup. Decaf coffee has about 7mg—so decaf coffee is actually lower.

What is the best caffeine-free coffee alternative?

Chicory coffee is the most popular option. It's naturally caffeine-free and has a roasted, earthy flavor similar to regular coffee.

About the Author

This article was written by the Lifeboost Coffee team. We referenced trusted nutrition and health sources to provide accurate caffeine data across decaf and tea options.

Disclaimer: This article is for general information only and is not medical advice. If you have specific health concerns about caffeine intake, speak with a qualified healthcare provider.

Medical Disclaimer: This content is for informational and educational purposes only. It is not intended to provide medical advice, make health or medical claims, or to take the place of such advice or treatment from a personal physician. All readers/viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. Neither Dr. Charles Livingston nor the publisher of this content takes responsibility for possible health consequences of any person or persons reading or following the information in this educational content. All viewers of this content, especially those taking prescription or over-the-counter medications, should consult their physicians before beginning any nutrition, supplement or lifestyle program. Additionally, the way coffee is grown, low acid coffee, decaf coffee, as well as different roast types (light, medium, dark, etc.) can alter caffeine levels. If you have questions about the caffeine levels or pH levels of our coffee, please reach out to our team for clarification. If you have any concerns with how our coffee, or any product will affect you or your health, consult with a health professional directly.