Caffeine Intake Calculator
Estimate caffeine from drink sizes and daily servings. Use reference values or product-label amounts and include other caffeine sources.
This tool has been used 12 timesPrefilled values are an editable example, not a recommended drinking amount.
An estimate, not a laboratory measurement or diagnosis. Caffeine varies by preparation and brand. Use the package or café information when available.
Calculated in your browser. This calculator does not send or save your inputs on the server.
Calculate your coffee spending →How to use this tool
1. Choose an estimated drink reference or Custom for your product label.2. Enter the amount you drink per serving and the servings today. Set the reference amount and its caffeine in milligrams.
3. Add other drinks or caffeine sources, then Calculate. Estimates are not personal safety limits or medical advice.