Daily How Much

An 8-ounce cup of hot chocolate typically contains 5 to 20 mg of caffeine, far less than coffee.

For most healthy adults, up to 400 mg of caffeine per day is considered safe as of 2025, equivalent to about four cups of brewed coffee..

An 8-ounce cup of regular coffee contains 70–140 mg of caffeine, while an 8-ounce cup of decaf coffee contains up to 7 mg.

A 16 oz Diet Coke contains about 61 mg of caffeine, based on Coca‑Cola’s official content of 46 mg per 12.

A Grande (16 fl oz) Chai Tea Latte from Starbucks contains approximately 95 mg of caffeine, less than a typical 8-ounce cup of brewed coffee.

A 1-ounce (30-gram) serving of 70-85% dark chocolate typically contains about 23 mg of caffeine.

For most healthy adults, up to 400 milligrams (mg) of caffeine per day is generally considered safe as of 2024—roughly the amount in four 8-ounce cups..

A standard 8-ounce glass of black tea contains about 47–50 mg of caffeine, while green tea has up to 45 mg and white tea delivers under 30 mg.

A 16-ounce serving of cold brew typically contains around 200 mg of caffeine, though the amount can range from roughly 170 mg to over 300 mg.

A standard 8-ounce glass of sweet tea typically contains 15 to 70 mg of caffeine, with larger 16-ounce servings reaching up to 100 mg depending.