This single-file solution provides a complete, professional, and interactive "Free Coffee Brew Ratio and Grind Size Calculator". It uses a clean, modern SaaS aesthetic, is fully responsive, and works entirely in-memory without any external storage or dependencies beyond the specified CDN links.
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Free Coffee Brew Ratio and Grind Size Calculator
Coffee Brew Calculator
Precise ratios, consistent results. Find your perfect brew.
Recommended Brew
20g
to
300ml
Target Ratio
1 : 15
Grind Size Guide
Resembles sea salt or peppercorns. Essential for long steeping times to avoid over-extraction and bitterness.
Rough, chunky texture. Allows water to pass through the metal mesh filter without depositing fine sediment.
Similar to coarse sand. Provides the correct resistance for thicker paper filters.
Texture of table salt or powder. Fine grind is required for high-pressure extraction to get that perfect crema.