All Tools
We built each calculator on established coffee science. SCA standards, published research, and thousands of test brews shaped every formula.
Brew Ratio Calculator
Calculate dose, yield, or ratio for espresso and filter coffee. Essential for dialing in any recipe.
Cost Per Cup Calculator
Find out exactly what each cup costs you. Compare home brewing to café prices and calculate annual savings.
Caffeine Calculator
Estimate caffeine content based on bean type, dose, and brew method. Track your daily intake.
Extraction Yield Calculator
Calculate extraction percentage from TDS readings. Requires a refractometer for accurate results.
Coffee Freshness Calculator
Track optimal freshness windows based on roast date and storage method. Know when beans peak.
Espresso Dial-In Assistant
Troubleshoot your shots. Input taste issues, get adjustment recommendations like a digital Coffee Compass.
Water Recipe Builder
Create custom water recipes for espresso or filter. Calculate mineral amounts for target hardness.
Grind Size Converter
Convert grind settings between popular grinders. Comandante to 1Zpresso, Baratza to Niche, and more.
Milk Drink Calculator
Calculate milk ratios, foam volumes, and cup sizes for lattes, cappuccinos, flat whites, and more.
Recipe Scaler
Scale batch brew recipes up or down. Perfect for entertaining or adjusting single-serve recipes.
Iced Coffee Calculator
Japanese flash brew method. Calculate ice and hot water split for bright, complex iced coffee.
Quick Cups Calculator
Beginner-friendly. Select brew method, strength, and cup count for instant measurements. No typing required.
Why Use Calculators?
Coffee extraction is chemistry, and you can measure it. Plug in your numbers, get your answer.
Consistency
Repeatable results every time. Record your settings, replicate your best cups.
Efficiency
Dial in faster. Know exactly which variable to adjust instead of random changes.
Understanding
Learn the relationships between dose, yield, extraction, and taste.
Savings
Waste less coffee dialing in. Know your true cost per cup.
On the Roadmap
Tools we're developing based on community requests.
Coffee Control Chart Explorer
Interactive SCA brewing control chart. Visualize where your brew falls on the extraction/strength matrix.
Particle Size Distribution Visualizer
Compare grinder particle distributions visually. See why some grinders produce cleaner cups.
Pressure Profile Builder
Design custom espresso pressure profiles. Export for machines that support custom curves.