Coffee Calculator: Brew Ratios

Stop guessing coffee ratios! Instant calculations for V60, Chemex, AeroPress & more. Works with grams, ml, ounces. Save custom recipes!

Stop ruining good coffee with bad math. Coffee Calculator takes the guesswork out of brewing, so you can focus on what matters - enjoying perfect coffee.

We've all been there. You switch from your V60 to AeroPress and suddenly your ratios are all wrong. You're brewing for friends and can't figure out how much coffee you need. Or you're down to your last few grams of beans, wondering how much water will salvage this situation. One wrong calculation and you're stuck with a disappointing cup of coffee.

INSTANT CALCULATIONS, PERFECT RATIOS Type in how much coffee you have - instantly see the water needed. Or enter your water amount and get the exact coffee required. No more mental math before caffeine. No more wasted beans. Just perfect ratios every time.

ALL YOUR METHODS, ONE APP • V60 & Chemex - nail your daily pour-over • AeroPress - perfect ratios you'll actually remember • French Press - scale up confidently for guests • Espresso - quickly dial in your dose-to-yield ratio • Cold Brew - get concentrate ratios right • Custom Methods - save your perfect ratios for different beans

THE DETAILS THAT MATTER • Switch units instantly - grams, ml, ounces • Large buttons designed for wet hands • Remembers your favorite brew method • Syncs across all your devices • Clean, simple interface - no clutter, just coffee

PERFECT FOR • Coffee lovers who switch between brew methods • Anyone who's ever Googled "coffee to water ratio" at 6am • People brewing different amounts throughout the day • Home baristas ready to experiment with ratios • Those expensive bean buyers who refuse to waste a gram

Join coffee lovers who've stopped guessing and started brewing better. Download Coffee Calculator now - your morning coffee will thank you.