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The Ultimate Platform for Coffee Science, Nutrition & Brewing Excellence
Evidence-based calculators for caffeine metabolism, brewing perfection, and nutritional analysis
All calculators use peer-reviewed research and industry-standard formulas.
From home brewing to cafe operations, tools for every skill level.
Monitor caffeine intake and nutrition to support your wellness goals.
Comprehensive tools for caffeine tracking, brewing optimization, and nutritional analysis
Track your caffeine metabolism with advanced 60-minute absorption modeling. Monitor sleep impact and optimize consumption timing.
Perfect your brew with precise coffee-to-water ratios. Includes presets for all popular brewing methods.
Dial in perfect espresso shots. Calculate ratios, extraction percentages, and shot classifications.
Timestamp-accurate brew stopwatch with multi-stage pouring guides, live flow rate pacer, and focus mode.
Calculate nutrition for any coffee drink. Track calories, macros, and caffeine content with milk options.
Monitor daily caffeine intake. Get personalized recommendations based on FDA guidelines and your sensitivity.
Calculate exact caffeine content for OriginalLine and VertuoLine pods across all cup sizes and roast intensities.
Authentic James Hoffmann techniques and timers for V60, French Press, AeroPress, Clever, and Moka pot.
Calculate perfect dilution ratios for cold brew concentrate. Get smooth, low-acid coffee every time.
Interactive visual guide for grind sizes by brewing method. Find the perfect grind for your setup.
Optimize milk ratios for lattes, cappuccinos, and flat whites. Create cafe-quality drinks at home.
Calculate exact coffee grounds, whole beans, and water ratios for any cup count or mug size.
Dedicated French press ratio calculator with cups, strength, and unit options for the perfect plunger brew.
Convert scoops, tablespoons, grams, and ounces instantly for any brewer setup.
Calories, caffeine, and macros for every Starbucks drink. Compare drinks and build your order.
Calories, caffeine, and nutrition facts for the full Dunkin' Donuts menu with filters and compare mode.
Calories, caffeine, and macros for Tim Hortons beverages and food items with size selection.
Calories, caffeine, and full nutrition facts for McDonald's McCafé beverages with % Daily Values.
Estimated calories, caffeine, and macros for popular Luckin Coffee drinks with comparison tools.
Practical, research-backed guides on measurements, ratios, and drink types
Quick reference for grams, tablespoons, and scoops — for 1 to 12 cups.
Read GuideComplete chart for 1 to 8 cups at mild, standard, and strong strengths.
Read GuideEvery major coffee drink explained — espresso, brewed, cold, and specialty.
Read GuideStart with our most popular calculator and discover the science behind great coffee
Try Caffeine Calculator