Caffeine Intake
Add up caffeine from coffee, tea and energy drinks.
Runs entirely in your browser — your selected files are not uploaded by this tool. Device-provided speech voices may use online services.
About this free caffeine intake tool
Add up caffeine from coffee, tea and energy drinks. Calculators answer a defined arithmetic question using the values you supply. Keep units and currencies consistent, choose the correct starting amount and inspect the assumptions before using a result. Estimates do not replace a lender quotation, an official tax rate, a medical assessment or a jurisdiction-specific deadline rule.
A practical example
A concrete example uses cups of coffee (95 mg): 2; cups of tea (47 mg): 2; energy drinks (80 mg): 1. The result is Caffeine (mg): 364.
Before you rely on the result
A general planning estimate, not medical advice. Individual needs vary; ask a qualified professional about your own situation. Caffeine per drink varies widely by product.
Frequently asked questions
Is the caffeine intake free to use?
Yes. The Caffeine Intake is free, needs no account and has no usage limit beyond what your device can handle.
Are my files or numbers uploaded anywhere?
No. The Caffeine Intake runs in your browser, so the values and files you enter stay on your device. Close the tab and nothing is kept.
What does the caffeine intake do?
Add up caffeine from coffee, tea and energy drinks. Calculators answer a defined arithmetic question using the values you supply. Keep units and currencies consistent, choose the correct starting amount and inspect the assumptions before using a result. Estimates do not replace a lender quotation, an official tax rate, a medical assessment or a jurisdiction-specific deadline rule.
When should I double-check the result?
A general planning estimate, not medical advice. Individual needs vary; ask a qualified professional about your own situation. Caffeine per drink varies widely by product.
Can I share my result?
Yes. Use Copy result or Download, and on calculator-style tools use Copy share link to send someone a link that opens with the same inputs filled in.