Coffee to Water: the Ratios, by Weight

Weigh both. A gram of water is a millilitre. Start at 1:16 and change one thing at a time.

Coffee reference card
WaterMakes aboutStrong 1:15Standard 1:16Lighter 1:17SCA 1:18 (55 g/L)
Filter coffee: pour-over, drip, batch brew, French press — grams of coffee
237 g (8 fl oz)one small cup16 g15 g14 g13 g
355 g (12 fl oz)one 12 oz cup24 g22 g21 g20 g
473 g (16 fl oz)one 16 oz cup32 g30 g28 g26 g
1,000 g (1 litre)three 10 oz cups67 g63 g59 g55 g
2,200 g (2.2 L airpot)about 32 two-ounce tastes147 g138 g129 g121 g
3,800 g (3.8 L airpot)about 55 two-ounce tastes253 g238 g224 g209 g
Special ratios
Cupping bowlone coffee, for tasting8.25 g coffee to 150 g water (the same 55 g/L)Coarse grind, water at 200 °FBreak the crust at 4 minutesTaste as it cools
Flash-brewed iced coffeeone 12 oz iced drink23 g coffee220 g hot water (60%)130 g ice in the brewer (40%)Then pour over fresh ice
Cold brew concentrateabout 1.5 L of concentrate340 g coffee to 1.9 L water (about 1:5.6)Coarse grind; steep 8–24 hoursDilute 1 part to 2 of water or milkLicensed kitchen only for sale
Phin (Vietnamese)one strong 2–3 oz serving2 tablespoons fine-ground coffee in a 4 oz phinWater 2 : 1 coffee by volumeDrips for about 5 minutes24 oz phin: 6–12 servings
AeroPressone cup16–18 g coffeeWater at 185 °FStir, wait 30 seconds, pressUnder 2 minutes
Espressoone double shot18 g coffee inabout 36 g out (1:2)25–30 secondsWater 195–205 °F