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Find the tool for what you want to do

Simple tools, grouped by stage of the journey. No sign-up needed to start.

What do you want to do?

Know my caffeine Find a tea instead of coffee Cut down on coffee Make my day easier

Start here

Three steps from coffee to tea

Not sure where to begin? Follow this path.

1Caffeine calculatorSee how much caffeine you get.2Coffee → tea converterGet an equivalent amount of tea.3Cutting-down planGet a day-by-day plan.

1

Know

How much caffeine you get and how drinks differ.

Caffeine calculatorTea, grams, water, temperature and time: get mg of caffeine.1 minOpen →Comparison toolPick any two drinks and get a table and a chart.1 minOpen →Caffeine in the bodyEnter your day's drinks and see approximate caffeine levels over time.2 minOpen →

2

Choose

Find a tea instead of coffee and compare prices.

Coffee → tea converterEnter your coffee and get an equivalent tea amount plus a few suggestions.1 minOpen →Tea finder quizFlavour, caffeine goal, time of day, milk, budget: get 3 teas and why.6–8 questionsOpen →

Price comparisonPrice per cup and per 100 mg of caffeine across brands and shops.1 minComing soon

3

Switch

A plan and support for the first weeks.

Cutting-down planA day-by-day plan based on your coffee intake; export to calendar or PDF.3 minOpen →Quit diaryDay streak, symptoms, notes and short tips.30 s a dayOpen →

4

Daily

Tools you use every day.

Daily tracker and limitAdd drinks and see your daily limit by profile. Stored in your browser.30 sOpen →Last cup timeEnter your bedtime and sensitivity to get an approximate last hour.1 minOpen →Brewing timerA timer by tea type with a weaker or stronger caffeine choice.Every brewOpen →

For website and blog owners

Embed the caffeine calculator on your own page.

About the numbers

Caffeine amounts are shown as approximate ranges. This is general information, not medical advice.