Coffee Ratio Calculator & Brew Timer

Coffee to water ratio calculator with a step-by-step brew timer for V60, cafetière, AeroPress, Chemex, espresso and cold brew.

Work out exactly how much coffee and water to use, then brew along with a step-by-step timer. Coffee Ratio Calculator & Brew Timer is a free coffee to water ratio calculator that sits in Chrome's side panel. Pick your brew method, set the ratio, and type either the coffee or the water: the other number is worked out for you. Then press Start and follow the timed steps, with a gram target for every pour. BREW METHODS • V60 and other pour over drippers • Chemex • Cafetière (French press) • AeroPress • Espresso: dose in, espresso out (for example 18 g in, 36 g out) • Moka pot • Cold brew • Filter coffee machine WHAT IT DOES • Coffee to water ratio calculator, from 1:4 for cold brew concentrate to 1:19 for a light pour over • Espresso brew ratio for a single, double or triple shot • Quick amounts: 1 cup, 2 cups, an 8-cup cafetière, a full jug • Water temperature in °C and °F, grind size and brew time for each method • How much coffee ends up in your cup • Brew timer with a pour target for every step (bloom, pours, drawdown) and an optional beep • The timer keeps going if you close the panel, and cold brew shows when it will be ready • Remembers your method, ratio and amounts PRIVATE No account and no ads. It collects no data and cannot read the websites you visit. Your settings stay on your computer. FROM MEET YOUR COFFEE Made by Meet Your Coffee, where you can find specialty coffee from UK roasters and buy it straight from the roaster. Each brew method links to coffees that suit it. Ratios are starting points. Adjust to taste.