How much caffeine is in 8 ounces of light roast coffee?
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4 min read
According to the USDA, an average 8-ounce cup of coffee contains about 80–100 mg of caffeine, but light roast coffee is often slightly higher in caffeine. The exact amount in 8 ounces of light roast coffee can vary, influenced by factors like the bean type, grind size, and brewing method, with estimates typically ranging from 80 to 120 mg.