Free Online Coffee Calculators
Dial in your brew with our interactive tools. No download needed, they work right in your browser on any device.
Coffee to Water Ratio Calculator
Get the exact coffee and water amounts for 8 brewing methods, in grams, cups or ounces.
Open toolEspresso Dial-In Assistant
Shot tasting sour or bitter? Get a step-by-step diagnosis and the exact fix.
Open toolEspresso Ratio Calculator
Set your dose and ratio to find your yield, with ristretto, normale and lungo guidance.
Open toolCoffee Grind Size Chart
See the right grind for every method with a visual texture guide and troubleshooting.
Open toolCold Brew Calculator
Plan the perfect batch with exact coffee, water, dilution and a ready-by time.
Open toolCaffeine Calculator
Find your personal safe daily caffeine limit and track your cups through the day.
Open toolCaffeine Half-Life Calculator
See how much caffeine is left in your system at bedtime and protect your sleep.
Open toolWhat Coffee Are You? Quiz
Answer 8 fun questions to discover the coffee that matches your personality.
Take the quizFree Coffee Printables
Print-ready PDF guides and wall art. Download, print at home and enjoy, they are crisp at any size.
Brewing Ratio Cheat Sheet
The golden ratio plus exact ratios, grind, temp and time for 8 brewing methods.
Download PDFCoffee Flavor Wheel
A circular tasting wheel with 9 flavour families and dozens of tasting notes.
Download PDFBrewing Methods Poster
Six classic brewing methods with custom icons and key brewing specs.
Download PDFCoffee Tasting Notes Template
Record and rate every cup, with sections for aroma, flavour, body and a score.
Download PDF30-Day Coffee Challenge
A fun daily challenge to explore new roasts, methods and flavours in a month.
Download PDFCoffee Origin World Map
The coffee belt and where the world's favourite beans grow, by region.
Download PDFCaffeine Content Chart
15 popular drinks ranked by caffeine, from cold brew right down to decaf.
Download PDFCoffee Brewing Journal
A 4-page printable log to record, rate and perfect every brew you make.
Download PDF50 Coffee Recipes Pack
Fifty cafe-favourite drinks you can make at home, with ingredients and steps.
Download PDFCoffee Drinks Explained
A visual cup-by-cup guide to what is really inside 12 classic espresso drinks.
Download PDFCoffee Troubleshooting Guide
Fix a sour, bitter, weak or over-extracted cup with quick cause-and-fix answers.
Download PDFLatte Art Guide
Pour a heart, rosetta, tulip and swan, with difficulty levels and pouring tips.
Download PDFTip: All printables are high-quality vector PDFs, so they stay crystal clear whether you print them small for a recipe binder or large as wall art. For best results, print on matte or photo paper.