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Coffee Ratio Calculator

Written by · Updated August 13, 2026

Pick your brew method and number of cups for the exact coffee (grams) and water (ml), dialed to each method’s ideal ratio.

You’ll need

    Coffee Ratio Calculator, reference

    Brew methodPer cups of coffee
    Drip (1:16) 16 g coffee · 250 ml water
    Pour-over (1:16) 16 g coffee · 250 ml water
    French press (1:12) 21 g coffee · 250 ml water
    AeroPress (1:14) 18 g coffee · 250 ml water

    Tips

    • A “cup” here is about 250 ml of water, adjust to your mug size.
    • Weigh your coffee with a scale for repeatable results.
    • Grind size matters: coarse for French press, medium for drip, fine for espresso.

    Frequently asked questions

    What is the best coffee to water ratio?

    A good starting point is 1:16 (about 16 g coffee per 250 ml water) for drip and pour-over, 1:12 for French press, and 1:14 for AeroPress. Adjust to taste.