Lucarise tools
Free Drink Calculators
Simple, free calculators for everyday drinks. Check your caffeine and sugar, brew coffee at the right ratio, plan Arabic coffee and karak for guests, or work out costs and supplies for a café, office or hotel.
- 9 free calculators
- English and Arabic
- No sign-up
- Sources on every page
HealthCaffeine calculator
Add up the caffeine in coffee, tea, karak, matcha and energy drinks and compare it with the daily guideline for adults.
HealthSugar in drinks calculator
Count the sugar in tea, karak, 3-in-1 coffee, soft drinks and juice against the WHO limit of 50 g a day.
HealthStevia to sugar converter
Turn the sugar in a recipe or drink into pure stevia extract, sachets or 1:1 blends, with a conversion chart.
HostingArabic coffee for guests
Coffee, water, cardamom and thermoses for a majlis, Ramadan iftar, Eid visits or a wedding.
BusinessOffice and hotel coffee
Monthly coffee, karak, tea and stevia sachets for an office or hotel rooms, in hotel boxes and bulk packs.
HostingKarak tea for guests
Tea, evaporated milk, cardamom and thermoses for serving karak at a majlis, Ramadan evening or Eid visit.
HealthCaffeine half-life
See how much caffeine is still in your body at bedtime, with a curve of your day.
BrewingCoffee to water ratio
Exact grams of coffee and water for pour-over, French press, cold brew, Turkish, Arabic coffee and espresso.
BusinessCafé cup cost and profit
Cost per cup, gross margin, monthly profit and break-even cups for café drinks, with VAT.
Need another tool?
Tell us what you would like to calculate and we will consider it for our next calculator.
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Bloggers, schools, clinics, cafés and hotels are welcome to link to any of these tools. Link to a calculator page, or to this page for the full set:
<a href="https://lucarise.com/tools/">Free drink calculators by Lucarise</a>Where the numbers come from
Each calculator explains its method and lists its sources, including the World Health Organization, the U.S. FDA, the European Food Safety Authority and USDA FoodData Central. Results are estimates for general information, not medical advice.
Browse them in the blog
