Sixteen to One
A coffee ratio calculator that does one thing and does it well. Dial in your brew with precision — water, coffee, ratio, done.
About Sixteen to One
Stop guessing your coffee ratios. Whether you're making pour-over, French press, or cold brew, Sixteen to One gives you the perfect coffee-to-water ratio in seconds.
Input what you have. Got 30 grams of coffee? We'll tell you how much water. Have 500ml of water? We'll tell you how much coffee. Most calculators only work one way — ours works both ways.
Real measurements. See results in grams, milliliters, ounces, and cups — all at once. No more mental math or unit conversions.
Dial in your strength. Slide between light (1:18) and strong (1:13) to find your perfect brew. Presets for every method, from AeroPress to cold brew.