☕ Brew Ratio Calculator
Master your extraction. Adjust dose and ratio sliders to see exact water requirements with professional barista tips.
18g
15
Use 270g of water
💡 Barista Tip:
Aim for 2:30-3:00 min total brew. If it runs too fast, grind finer. Bloom with 2x the coffee weight first.
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Join the Mastery CourseThe Brew Ratio Calculator is an essential tool for any coffee enthusiast or professional barista looking to achieve the perfect cup. By precisely adjusting your coffee-to-water ratio, you can unlock the full flavor potential of your beans. Our 2026 updated math tool supports V60, Aeropress, French Press, and Chemex brewing methods.