How Much Caffeine is in a Cup of Earl Grey Tea?

Earl Grey has a way of making an ordinary cup of tea feel a little more elegant. Its familiar black tea base, bright citrus aroma, and distinctive hint of bergamot create a drink that is equally at home at breakfast, during an afternoon break, or alongside a warm scone.

But if you are watching your caffeine intake, one question naturally comes up: How much caffeine is in Earl Grey tea?

A typical 8-ounce cup of Earl Grey contains approximately 40–60 milligrams of caffeine, although the exact amount varies by brand, tea blend, serving size, and brewing method. For comparison, an 8-ounce cup of brewed coffee contains about 96 milligrams of caffeine.

That makes Earl Grey a middle-ground option: more stimulating than many herbal teas, but generally less caffeinated than coffee.

🍵 What Is Earl Grey Tea?

Earl Grey is traditionally a blend of black tea flavored with bergamot, a fragrant citrus fruit known for its floral, slightly bitter, and orange-like aroma.

The tea itself usually comes from the Camellia sinensis plant, the same plant used to produce black, green, white, and oolong teas. Depending on the blend, the black tea base may include teas from India, China, Sri Lanka, or other tea-growing regions.

Bergamot gives Earl Grey its unmistakable personality, but it does not provide the caffeine. The caffeine comes from the tea leaves.

Some variations use green tea, white tea, decaffeinated black tea, or caffeine-free rooibos instead of a conventional black tea base. As a result, not every tea labeled “Earl Grey” has the same caffeine content.

If you are curious about the many versions available, explore Earl Grey: Unique Varieties and Flavorful Pairings to Savor.

⚡ How Much Caffeine Is in Earl Grey Tea?

Most traditional Earl Grey teas contain approximately 40–60 milligrams of caffeine per 8-ounce serving.

However, that figure should be treated as a practical estimate, not a guarantee. Some lightly brewed cups may contain less, while stronger blends or larger servings can contain considerably more.

Here is a useful comparison:

Beverage	Typical Serving	Approximate Caffeine
Traditional Earl Grey tea	8 ounces	40–60 mg
Brewed black tea	8 ounces	Approximately 48 mg
Brewed green tea	8 ounces	Approximately 29 mg
Decaffeinated black tea	8 ounces	Approximately 2 mg
Brewed coffee	8 ounces	Approximately 96 mg
Espresso	1 ounce	Approximately 63 mg
Caffeine-free herbal tea	8 ounces	0 mg

These numbers are averages or representative estimates. The caffeine in individual products can vary substantially depending on the ingredients and preparation.

For many people, Earl Grey provides a noticeable lift without the stronger effect associated with a full cup of coffee.

📏 Does Cup Size Change the Amount of Caffeine?

Yes. If the tea is brewed at the same strength, drinking a larger serving generally means consuming more caffeine.

Using the typical range of 40–60 milligrams per 8 ounces:

Serving Size	Estimated Caffeine at the Same Strength
8 ounces	40–60 mg
12 ounces	60–90 mg
16 ounces	80–120 mg
20 ounces	100–150 mg

There is an important distinction: these estimates assume the amount of tea increases with the amount of water.

For example, a 16-ounce drink made with two tea bags may contain roughly twice as much caffeine as an 8-ounce drink made with one tea bag. However, a single tea bag steeped in 16 ounces of water does not automatically release twice as much caffeine simply because the mug is larger. It usually produces a more diluted beverage.

When ordering Earl Grey at a café, the number of tea bags or the amount of loose tea used often matters more than the size printed on the cup.

🌿 Why Does Earl Grey Caffeine Content Vary?

Even two cups made from the same box of tea can differ slightly. Several factors influence how much caffeine ends up in your mug.

The Type of Tea Leaves

Traditional Earl Grey is usually made with black tea, but different blends use different tea varieties and growing regions.

An Earl Grey made with an Assam-heavy blend may taste fuller and more robust than one made with a lighter Chinese or Ceylon tea base. However, flavor intensity does not reliably reveal the exact caffeine content. Growing conditions, leaf age, processing, and the amount of tea used all play a role.

Some Earl Grey blends also include oolong, green tea, or white tea. These additions can change the final caffeine level, but the only dependable way to know a specific product’s amount is to consult the manufacturer or obtain laboratory testing.

Brewing Time

The longer tea leaves remain in hot water, the more caffeine they can release.

A cup steeped for two minutes may contain less caffeine than one steeped for five minutes, although the difference depends on the tea itself and the brewing conditions.

Shorter steeping also produces a lighter flavor. If you enjoy the bright citrus notes of Earl Grey but prefer a gentler cup, try steeping for approximately two to three minutes instead of four or five.

Water Temperature

Hotter water generally extracts caffeine and other compounds more efficiently.

Most black Earl Grey teas are brewed with water around 190–212°F, depending on the manufacturer’s directions. Using water at the lower end of that range may produce a slightly softer cup, but it will not make regular Earl Grey caffeine-free.

Amount of Tea

Using two tea bags instead of one, or adding an extra spoonful of loose-leaf tea, can substantially increase caffeine content.

A standard serving generally uses:

One tea bag per 8-ounce cup.
Approximately one teaspoon of loose-leaf tea per 8-ounce cup.
More tea for larger servings or stronger preparations.

If you are monitoring caffeine closely, measuring your tea consistently is more useful than guessing based on how dark the finished drink looks.

Leaf Size and Processing

Finely broken tea leaves often infuse more quickly than larger, whole leaves because more surface area is exposed to the water.

That does not mean every tea bag automatically contains more caffeine than every loose-leaf tea. The amount of tea, the specific blend, and the steeping time all matter.

A strong loose-leaf Earl Grey can easily contain as much caffeine as a bagged version, particularly when brewed with a generous amount of tea.

🍊 Does Bergamot Contain Caffeine?

No. Bergamot itself does not contain caffeine.

The caffeine in Earl Grey comes from its tea base, not from the citrus oil or flavoring.

This means a heavily bergamot-scented Earl Grey does not necessarily contain more caffeine than a milder version. It simply has a stronger citrus aroma.

Similarly, a “double bergamot” blend may taste more intense without containing twice the caffeine. Its caffeine level still depends primarily on the tea leaves and how the beverage is prepared.

☕ Earl Grey vs. Coffee: Which Has More Caffeine?

Coffee usually contains more caffeine than Earl Grey when comparing equal serving sizes.

A typical 8-ounce cup of brewed coffee contains approximately 96 milligrams of caffeine, while a comparable cup of Earl Grey often contains 40–60 milligrams.

In practical terms, Earl Grey commonly provides around half the caffeine of brewed coffee, although the difference varies between products.

For someone trying to reduce caffeine without giving it up entirely, swapping a morning coffee for Earl Grey may be an appealing compromise. The black tea still offers a gentle boost, while the bergamot adds enough flavor to make the drink feel satisfying rather than like a watered-down substitute.

That said, a large, strongly brewed Earl Grey can approach or exceed the caffeine in a small cup of coffee. Portion size and preparation still matter.

🍃 Earl Grey vs. Green Tea, White Tea, and Chai

Traditional Earl Grey typically contains more caffeine than an average cup of green tea, although there can be considerable overlap.

A representative 8-ounce serving of brewed green tea contains approximately 29 milligrams of caffeine, compared with approximately 40–60 milligrams for many Earl Grey blends.

White tea is more variable than many people realize. It is sometimes marketed as a low-caffeine option, but certain white teas made from young buds can contain meaningful amounts of caffeine. The exact level depends on the particular tea and brewing method.

For a closer look, see Does White Tea Have Caffeine? and The Caffeine Content in Green Tea.

Chai made with black tea can have a caffeine content similar to Earl Grey, although recipes that include substantial amounts of milk or spices may contain less black tea per serving. Concentrated café chai drinks can differ substantially from homemade versions.

Learn more in Does Chai Tea Contain Caffeine?.

🫖 Does a London Fog Latte Contain Caffeine?

Yes. A traditional London Fog latte contains caffeine because it is made with Earl Grey tea.

The drink typically combines:

Brewed Earl Grey tea.
Steamed milk or a nondairy alternative.
Vanilla syrup or vanilla extract.
Sometimes lavender.

A London Fog made with one regular Earl Grey tea bag often contains roughly the same caffeine as a standard serving of Earl Grey, although the total depends on the specific tea and brewing method.

A larger café latte made with two tea bags can contain substantially more.

Milk and vanilla do not remove caffeine. They simply dilute the tea within a larger drink and change its flavor.

If you want the familiar London Fog experience with less caffeine, ask for decaffeinated Earl Grey or prepare the latte at home using a decaf blend.

For another creative way to enjoy the same citrusy flavor, try A Delightful Earl Grey Tea Jelly Recipe.

🌙 Can You Drink Earl Grey Tea at Night?

You can, but whether it affects your sleep depends on your caffeine sensitivity, the amount you drink, and how close to bedtime you have it.

An evening cup containing 40–60 milligrams of caffeine may not bother one person but could make it difficult for someone else to fall asleep.

If you are sensitive to caffeine, consider enjoying regular Earl Grey earlier in the day and switching to one of these options in the evening:

Decaffeinated Earl Grey.
Rooibos Earl Grey.
An herbal blend flavored with bergamot.
A smaller serving of regular Earl Grey.
A shorter-steeped cup, recognizing that it will still contain caffeine.

Decaffeinated Earl Grey is usually the closest match to the traditional flavor because it still uses a black tea base.

🍂 How Much Caffeine Is in Decaf Earl Grey?

Decaffeinated Earl Grey typically contains only a small amount of caffeine.

For context, an 8-ounce serving of decaffeinated brewed black tea averages approximately 2 milligrams of caffeine. Individual products may contain somewhat more or less.

Decaffeination removes most of the caffeine from the tea leaves, but it does not necessarily remove every trace.

If you need to avoid caffeine completely, look for an Earl Grey-style herbal blend made with naturally caffeine-free rooibos rather than decaffeinated black tea.

The distinction is simple:

Decaf Earl Grey: Made with decaffeinated tea leaves; may contain a small amount of residual caffeine.
Caffeine-free Earl Grey-style tea: Made with ingredients such as rooibos and bergamot; contains no tea-derived caffeine when no caffeinated ingredients are included.

Always check the ingredient list, especially when a blend contains added green tea, black tea, matcha, or yerba mate.

🧊 Does Iced Earl Grey Have Less Caffeine?

Not necessarily.

Iced Earl Grey contains approximately the same caffeine as hot Earl Grey if both drinks start with the same amount of brewed tea.

Adding ice can dilute the drink, but dilution does not remove the caffeine already present. If you drink the entire glass, you still consume the caffeine extracted from the tea leaves.

Some iced tea recipes actually contain more caffeine because they use multiple tea bags or a concentrated brew designed to hold up when poured over ice.

Cold-brewed Earl Grey can also contain caffeine. The final amount depends on the amount of tea, water, steeping time, and temperature, so cold brewing should not be treated as a reliable method for making regular tea low in caffeine.

🧪 Can You Remove Caffeine by Rinsing the Tea Leaves?

A popular tea myth suggests that briefly steeping tea, throwing away the first infusion, and brewing the leaves again removes most of the caffeine.

Unfortunately, this is not a dependable way to make tea decaffeinated.

Some caffeine may be discarded with the first infusion, but enough can remain in the leaves to create a meaningfully caffeinated second cup. The result varies too much to rely on if you are limiting caffeine for pregnancy, medication interactions, sleep concerns, or medical reasons.

Choosing a properly decaffeinated tea or a naturally caffeine-free herbal alternative is more reliable.

🤰 Can You Drink Earl Grey Tea During Pregnancy?

Many pregnant people can include moderate amounts of caffeinated tea in their routine, but total caffeine intake matters.

The American College of Obstetricians and Gynecologists recommends limiting caffeine during pregnancy to less than 200 milligrams per day.

If an 8-ounce cup of Earl Grey contains 40–60 milligrams, one cup represents a meaningful portion of that daily amount. Coffee, other teas, chocolate, energy drinks, soda, and certain medications can all contribute additional caffeine.

Because caffeine content varies, avoid assuming that several large or strongly brewed cups will automatically remain below the recommended threshold.

Anyone who is pregnant, breastfeeding, taking medications, or managing a health condition should consult a healthcare professional for guidance that reflects their individual circumstances.

🫗 How to Brew a Great Cup of Earl Grey

A well-made cup of Earl Grey should taste balanced, fragrant, and gently citrusy—not harsh or overly bitter.

To prepare one serving:

Measure the tea. Use one tea bag or approximately one teaspoon of loose-leaf Earl Grey for every 8 ounces of water.
Heat fresh water. Aim for approximately 190–212°F, following the instructions provided for your particular blend.
Steep for three to five minutes. Three minutes creates a lighter cup, while four to five minutes produces a fuller, more robust flavor.
Remove the tea bag or strain the leaves. Leaving the tea in the water too long can make the finished drink bitter.
Add your preferred extras. A little honey, a slice of lemon, or a splash of milk can complement the bergamot beautifully.

If you want a somewhat lower-caffeine cup, use one tea bag, keep your serving moderate, and steep toward the shorter end of the recommended range. For a substantial reduction, choose decaffeinated Earl Grey.

💚 Are There Benefits to Drinking Earl Grey Tea?

Earl Grey can be an enjoyable alternative to more heavily sweetened beverages, particularly when prepared without large amounts of sugar or syrup.

Black tea also contains naturally occurring plant compounds, including polyphenols. These compounds are frequently studied for their potential relationship to overall health, although a single cup of Earl Grey should not be treated as a medical remedy.

The caffeine in Earl Grey may help support alertness and concentration. For some people, its moderate caffeine content makes it easier to enjoy a morning or afternoon boost without drinking a larger, more highly caffeinated beverage.

Tea also contains L-theanine, an amino acid often associated with the sensory experience of drinking tea. However, individual responses to caffeine vary, and Earl Grey can still cause restlessness, sleep disruption, or stomach discomfort in sensitive individuals.

The simplest benefits are often the most dependable: a flavorful drink, a comforting daily ritual, and a caffeine level that can be easier to manage than coffee.

🧮 How Many Cups of Earl Grey Can You Drink Per Day?

The U.S. Food and Drug Administration identifies 400 milligrams of caffeine per day as an amount not generally associated with negative effects for most adults.

At approximately 40–60 milligrams per 8-ounce cup, Earl Grey can fit comfortably within that amount for many people. However, the appropriate number of cups depends on your sensitivity and everything else you consume.

For example:

Two cups of Earl Grey may provide approximately 80–120 milligrams of caffeine.
Three cups may provide approximately 120–180 milligrams.
Four cups may provide approximately 160–240 milligrams.

These estimates increase if your mugs are larger, your tea is especially strong, or you use multiple tea bags.

The FDA’s 400-milligram figure is not a recommendation to consume that much caffeine, and it does not apply equally to everyone. People who are pregnant, sensitive to stimulants, or managing certain health conditions may need considerably less.

❓ Frequently Asked Questions

Does Earl Grey tea have more caffeine than regular black tea?

Usually not. Earl Grey is typically black tea flavored with bergamot, so its caffeine content is generally comparable to other black teas brewed under similar conditions.

Is Earl Grey stronger than coffee?

In terms of caffeine, an average 8-ounce cup of Earl Grey is usually less caffeinated than an 8-ounce cup of brewed coffee. However, strong Earl Grey or larger servings can narrow the difference.

Does Earl Grey tea always have caffeine?

No. Traditional Earl Grey made with black tea contains caffeine, but decaffeinated versions contain much less. Earl Grey-style blends made with rooibos or other caffeine-free ingredients may contain no caffeine.

Does adding milk lower the caffeine in Earl Grey?

Milk does not remove caffeine. It can make the drink taste milder, but the total amount of caffeine remains the same unless you use less tea.

Does Earl Grey have more caffeine than green tea?

Traditional black tea-based Earl Grey often contains more caffeine than an average cup of green tea, but there is overlap between products. A strong green tea can contain more caffeine than a lightly brewed Earl Grey.

Is Lady Grey tea caffeinated?

Most Lady Grey blends contain black tea and therefore contain caffeine. The amount depends on the specific blend and how it is brewed. Decaffeinated versions may also be available.

Can Earl Grey tea keep you awake?

Yes. Because a typical cup contains approximately 40–60 milligrams of caffeine, Earl Grey can interfere with sleep in people who are sensitive to caffeine or who drink it later in the day.

Does Earl Grey tea have caffeine if it is made with green tea?

Yes. Green tea naturally contains caffeine because it comes from the Camellia sinensis plant. A green tea-based Earl Grey may have a different caffeine level from a traditional black tea-based version, but it is not automatically caffeine-free.

✨ Enjoying Earl Grey Without Guessing

For most traditional blends, an 8-ounce cup of Earl Grey contains approximately 40–60 milligrams of caffeine. That is usually less than brewed coffee, often more than an average cup of green tea, and enough to provide a moderate boost.

The details depend on the tea leaves, the amount used, brewing time, and serving size. If you want less caffeine, a smaller cup or shorter steep may help, but decaffeinated Earl Grey offers a more dependable reduction.

Whether you enjoy yours plain, with a splash of milk, or transformed into a creamy London Fog, Earl Grey remains a flavorful way to bring a little brightness—and a measured amount of caffeine—to your day.