Which has more caffeine, espresso or drip coffee?

Per ounce, espresso is far stronger — about 63 mg in a single 1 oz shot. But a full 12 oz drip coffee has around 140 mg, more than a single or double shot, because you drink so much more of it. Concentration and serving size are two different things.

Does cold brew have the most caffeine?

Usually yes, per serving. A 16 oz cold brew often lands around 200 mg or more because it's brewed as a strong concentrate and served in a large cup. The exact amount depends on how each shop dilutes it.

How much caffeine is safe per day?

The U.S. FDA cites up to 400 mg a day — roughly three to five 8 oz cups of drip coffee — as an amount not generally associated with negative effects for healthy adults. Sensitivity varies, and pregnant people should ask their doctor.

Does dark roast have more caffeine than light roast?

They're nearly identical. Roast level barely changes caffeine content. What actually moves the number is the brew method, the dose of grounds, and how much liquid ends up in your cup.

How much caffeine is in decaf coffee?

Decaf is not caffeine-free. An 8 oz cup typically has about 2 to 5 mg, versus roughly 95 mg for regular drip — a small amount, but not zero.

☕ Coffee guide

How Much Caffeine Is in Coffee?

Espresso, drip, cold brew, instant, decaf — the real numbers, and why "strong" doesn't mean what you think.

Short answer: a standard 8 oz cup of drip coffee has about 95 mg of caffeine, a single shot of espresso about 63 mg, and a 16 oz cold brew often 200 mg or more. But those numbers hide the real story — which is that the drink people call strongest usually isn't the one with the most caffeine. Here's the whole picture.

Caffeine by coffee type (typical amounts)

Every cup varies with the beans, the dose, and the barista, so treat these as solid ballpark figures rather than lab results:

Drink	Typical serving	Caffeine
Espresso (single)	1 oz	~63 mg
Espresso (double)	2 oz	~126 mg
Drip / filter coffee	8 oz	~95 mg
Drip / filter coffee	12 oz	~140 mg
Cold brew	16 oz	~200 mg
Latte / cappuccino	1 shot base	~63 mg
Instant coffee	8 oz	~60 mg
Decaf coffee	8 oz	~2–5 mg

Why espresso feels strong but isn't the most caffeine

Espresso is concentrated — about 40 mg of caffeine packed into every intense ounce. That's why it tastes powerful. But you only drink an ounce or two. A big 12 oz drip coffee is weaker per sip yet delivers more total caffeine (~140 mg) simply because there's so much more of it. Concentration and dose are two different measurements, and confusing them is the single most common coffee myth.

Why cold brew usually wins the caffeine race

Cold brew steeps coarse grounds in cold water for 12 to 24 hours, using a lot of coffee to a little water. The result is a punchy concentrate, and it's typically poured into a 16 oz (or bigger) cup. Big serving plus strong concentrate equals the highest caffeine per drink on most menus. If you're sensitive, ask how the shop dilutes it — some serve nearly straight concentrate.

The roast myth: dark vs light

People assume a bold, dark roast has more caffeine. It essentially doesn't — roast level barely changes the number. By weight, light and dark roast are almost identical. What actually moves caffeine is brew method, the amount of grounds, and cup size. (More on flavor differences in our light roast vs dark roast guide.)

How much is too much?

The U.S. FDA points to up to 400 mg a day — roughly three to five 8 oz cups of drip — as an amount not generally tied to negative effects in healthy adults. Everyone's tolerance differs, caffeine lingers for hours, and anyone pregnant or managing a heart condition should check with a doctor. If a late cup keeps you up, that's your body's ceiling talking.

Now go put that caffeine to good use. Crema finds the best independent coffee shops near any address — with photos, ratings, hours, a map, and one-tap directions. Free, no sign-up.

Find coffee near you →