10 Free Professional
Coffee Calculators
& Guides
Master your coffee at home with smart, beautiful tools trusted by home baristas and coffee professionals.
Most Popular Tools
Start here if you're new to BrewWise.
Coffee-to-Water Ratio
Calculate the perfect ratio for any brew method.
Open Tool
Caffeine Calculator
Estimate caffeine content by bean, roast, and brew method.
Open Tool
Grind Size & Taste Fixer
Visualize the right grind for every brew, plus diagnose any tasting issue.
Open Tool
Brew Method Matchmaker
5-question quiz finds your perfect brew, with a step-by-step guided timer.
Open ToolConsumer-Friendly Tools
Quick wins for every coffee drinker.
Coffee-to-Water Ratio
Calculate the perfect ratio for any brew method.
Caffeine Calculator
Estimate caffeine content by bean, roast, and brew method.
Grind Size & Taste Fixer
Visualize the right grind for every brew, plus diagnose any tasting issue.
Brew Method Matchmaker
5-question quiz finds your perfect brew, with a step-by-step guided timer.
Taste Problem Solver
Diagnose why your coffee tastes off — bitter, sour, weak, flat — with a ranked fix list.
Freshness Tracker
Track when your beans were roasted and when they peak.
Monthly Planner & Cost
Calculate monthly usage, find the best-value bag, and see how much you save vs cafe.
Advanced Coffee Tools
Pro-level diagnostics for enthusiasts.
Water Chemistry Advisor
Score your tap water against SCA standards and get a DIY mineral recipe for perfect coffee water.
Espresso Builder & Log
Pro espresso recipe calculator with live shot scoring and persistent dial-in log.
Extraction Diagnostics
Plot your brew on the Brewing Control Chart with ranked fixes for under or over-extracted coffee.
How These Tools Will Improve Your Coffee
Built by coffee obsessives, tuned to SCA standards, and free forever.
Dial in any brew
Stop guessing. Get the exact ratio, grind, and time for the brew method you have.
Fix bad cups, fast
Bitter? Sour? Weak? Tell us what's wrong and we'll diagnose it in under a minute.
Save real money
See exactly how much you'd save brewing at home vs. cafes — usually $400+ a year.
Level up over time
Save your favourite shots and watch your craft improve, brew after brew.
The 5-minute brew upgrade
If your coffee isn't quite right, work through these tools in order. Each one feeds into the next.
- 1Coffee-to-Water Ratio
Lock in your starting recipe — exact dose, water, and ratio.
- 2Grind Size & Taste Fixer
Visualize the right grind and confirm yours matches.
- 3Taste Problem Solver
If the cup is still off, pinpoint exactly what went wrong.
- 4Water Chemistry Advisor
The last 10% — perfect water means perfect extraction.