Caffeine.supply

Coffee Tools

Free interactive tools built on our database of 623 specialty coffees — calculators, a taste-match quiz, a roaster map, and more.

⚡
Caffeine Calculator
Find out exactly how much caffeine you’re drinking based on brew method and cups per day.
Open tool →
⚖
Brew Ratio Calculator
Dial in the perfect coffee-to-water ratio for any brew method and batch size.
Open tool →
📊
Extraction Calculator
Plot your TDS and extraction yield on the SCA Brewing Control Chart.
Open tool →
🍰
Food Pairing Finder
Search any dessert or snack to find the coffees that pair best with it.
Open tool →
📅
Coffee Freshness Checker
Enter your roast date to see exactly where your beans are in their peak flavor window.
Open tool →
↔
Compare Coffees
Put any two coffees side-by-side — origin, process, price, and flavor notes.
Open tool →
🗺
Roaster Map
Browse 100+ specialty roasters plotted across the US on an interactive map.
Open tool →
🎯
Find Your Coffee
A quick quiz that matches your taste preferences to your next favorite bag.
Open tool →
☕
Coffee of the Day
A new specialty pick, spotlighted daily from our full catalog.
Open tool →
🥄
Coffee to Water Ratio
No scale? Convert any brew ratio into tablespoons and cups instead.
Open tool →
🎨
Flavor Wheel
Explore the catalog by flavor category, from stone fruit to dark chocolate.
Open tool →
🛠
Equipment Guide
Grinders, brewers, and gear buying guides for every stage of the coffee ritual.
Open tool →
🎙
Roaster Spotlight
A new featured roaster’s story, sourcing philosophy, and top picks — every week.
Open tool →
🧬
Coffee DNA
Take the quiz and get a shareable taste-profile card of your Coffee DNA.
Open tool →