How Much Caffeine in Cold Brew?
FDA daily safe limit: 400 mg adults, 200 mg pregnancy (ACOG), 100 mg adolescents (AAP). For multi-drink stacking with sleep impact, see the full caffeine calculator.
Frequently asked questions
How much caffeine is in cold brew?
About 200 mg in a 16 oz cup. The long cold-steep (12-24 hours) extracts more caffeine than hot brewing. Starbucks Grande Cold Brew is 205…
About 200 mg in a 16 oz cup. The long cold-steep (12-24 hours) extracts more caffeine than hot brewing. Starbucks Grande Cold Brew is 205 mg, Dunkin' 24 oz is 260 mg, and Stumptown's concentrated version hits 279 mg in 10.5 oz.
Is cold brew stronger than regular iced coffee?
Yes — about 25% more caffeine per ounce. Regular iced coffee is just chilled drip coffee; cold brew uses a separate process with longer steep…
Yes — about 25% more caffeine per ounce. Regular iced coffee is just chilled drip coffee; cold brew uses a separate process with longer steep time. A 16 oz cold brew has ~200 mg; a 16 oz iced coffee has ~165 mg.
Is cold brew higher caffeine than espresso?
Per drink, yes. A 16 oz cold brew (200 mg) has more caffeine than 3 espresso shots (190 mg). Per ounce, espresso wins — 63…
Per drink, yes. A 16 oz cold brew (200 mg) has more caffeine than 3 espresso shots (190 mg). Per ounce, espresso wins — 63 mg per oz vs 12.5 mg per oz for cold brew. Cold brew gets you to a bigger total dose because of the larger serving size.
Why does cold brew have so much caffeine?
The long steep time. Hot brewing extracts coffee compounds quickly (4-6 minutes) but the brewing window limits extraction. Cold steeping over 12-24 hours pulls out…
The long steep time. Hot brewing extracts coffee compounds quickly (4-6 minutes) but the brewing window limits extraction. Cold steeping over 12-24 hours pulls out more caffeine — even though cold water is less efficient than hot water per minute, the much longer time wins out.
Can I drink cold brew while pregnant?
Use the ACOG 200 mg daily limit as a guide. A single 16 oz cold brew (200 mg) hits the entire daily limit in one…
Use the ACOG 200 mg daily limit as a guide. A single 16 oz cold brew (200 mg) hits the entire daily limit in one drink. A Tall (12 oz) cold brew at ~155 mg leaves 45 mg for other caffeine sources. Best to switch to half-caf or a smaller serving during pregnancy.