Free Coffee Tools, Calculators & Brew Guides
Make better coffee with practical tools designed to help you calculate ratios, estimate caffeine, discover your ideal roast, understand costs and follow each brewing step.
Everything you need for a better cup
These free tools turn common coffee questions into quick, useful answers. Choose a calculator or interactive guide below, enter your preferences and get a result you can use immediately.
Coffee Brewing Calculator
Calculate the ideal coffee dose, water amount, grind size, temperature and brewing time for several popular preparation methods.
- V60, Chemex, French Press and more
- Choose mild, balanced or strong coffee
- Convert between milliliters, ounces and cups
Use this calculator first. It gives you a complete brewing recipe based on your method and desired amount.
Coffee Caffeine Calculator
Estimate how much caffeine is in your coffee, tea, soda or energy drink and compare the result with a general daily reference level.
- Multiple drinks and serving sizes
- Adult, pregnancy and custom references
- Estimated caffeine per serving and total
Coffee Roast Finder
Take a quick quiz and discover whether light, medium or dark roast coffee best matches your taste and brewing habits.
- Six simple taste questions
- Personalized roast recommendation
- Flavor, acidity and body profile
Coffee Cost Calculator
Find the real cost of each homemade cup and compare your spending with the average price of coffee bought from a café.
- Bean cost per serving
- Optional milk, filters and extras
- Monthly and yearly savings estimate
Coffee Brew Timer
Follow a guided, step-by-step brewing sequence with automatic timing for each stage of your selected coffee method.
- Guided stages and instructions
- Start, pause, previous and next controls
- Seven popular brewing methods
Why use our coffee tools?
Making good coffee involves several variables, including dose, water, grind size, extraction time and personal taste. Our tools simplify these decisions and provide practical starting points for everyday brewing.
Enter a few details and get an immediate result without creating an account.
Clear instructions help new coffee drinkers understand ratios, roasts and brewing steps.
Adjust recipes, compare costs and experiment with different coffee profiles.
Frequently Asked Questions
Are these coffee tools free?
Yes. Every calculator, quiz and brewing guide on this page is free to use.
Which coffee tool should I use first?
The Coffee Brewing Calculator is the best starting point because it provides a complete recommendation for coffee dose, water, grind size, temperature and brewing time.
Can I use the tools on a mobile phone?
Yes. All tools are designed to work on desktop computers, tablets and mobile devices.
Are the recommendations exact?
The recommendations are practical starting points. Coffee origin, roast level, grinder consistency, water quality and equipment can change the ideal result.
Do I need professional coffee equipment?
No. The tools can be used with common home brewing equipment, including drip machines, French presses, pour-over brewers, moka pots and AeroPress.
Ready to brew better coffee?
Start with the Coffee Brewing Calculator to create a practical recipe for your preferred brewing method.
Create My Coffee Recipe