How Much Instant Coffee Should Be in a Cup? The Definitive Guide
                                
                                
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                                    3 min read                                
                            
                                On average, one teaspoon of instant coffee can contain anywhere from 30 to 90 milligrams of caffeine, depending on the brand and roast. Understanding the proper instant coffee-to-water ratio is the key to mastering how much instant coffee should be in a cup for a perfectly brewed drink every time.