SCA Golden Standard Drip Ratio: 1:17

Drip Coffee Ratio Calculator (Auto-Drip Machine)

For automatic drip machines, the Specialty Coffee Association (SCA) recommends 55 to 60 grams of coffee per 1,000 ml water (approx. 1:17 ratio), or roughly 8.8 grams per 5 fl oz coffee maker cup.

Interactive Ratio Adjuster
Grind Size
Medium (Sea salt / Granulated sugar)
Water Temp
198°F - 204°F
Brew Time
5:00 minutes
Required Coffee Grounds
Ground Coffee Needed
0.0 g
0.0 level scoops (approx. 0.0 tbsp)
Ounces (oz)
0.00 oz
Water (fl oz)
0.0 fl oz
Bloom Water
0 g
Recommended Brew Sequence
1 Weigh 0g of coffee. Grind to Medium (Sea salt / Granulated sugar).
2 Preheat water to 198°F - 204°F. Rinse paper or mesh filter with hot water.
3 Pour 0g water for 45s bloom to release trapped CO2 gases.
4 Complete pour to 0ml. Target total brew finish: 5:00 minutes.

Standard Servings Quick Reference Chart

Serving Size Water (ml / g) Water (fl oz) Coffee Grounds (Grams) Level Scoops (~10g) Level Tablespoons (~5g)

Frequently Asked Questions

How many scoops of coffee for a 12-cup drip coffee maker?
A 12-cup coffee maker carafe holds 60 fl oz (approx. 1,800 ml). At a 1:17 ratio, you need ~106 grams of coffee, which equals 10 to 11 standard 2-tablespoon coffee scoops.
Why does coffee maker 1 cup not equal 8 ounces?
In the coffee industry, a standard coffee maker 'cup' is calibrated to 5 fluid ounces (150 ml) or 6 fluid ounces (177 ml), not a traditional 8-ounce US baking cup.

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