Brewax Cold Brew Calculator
Set your volume, strength, and brew time — get exact amounts and a ready time.
How much cold brew?
Strength
Regular strength — 1:8 coffee to water
Brew time
12 hrs
18 hrs
24 hrs
Coffee needed
—
grams
Water needed
—
ml
Ready at
—
Brew time: 12h = lighter and brighter. 24h = stronger, more concentrated, and slightly more bitter.
Gear
Make the next batch easier.
Cold brew makers, filters and storage for batch brewing.
Explore cold brew gear →
Coffee
US delivery
Made for the slow brew.
Coffee suited to slow, smooth cold extraction.
Explore cold brew coffee →Brewax may earn a commission on qualifying purchases.
Need to convert coffee measurements? Use the Brewax Coffee Unit Converter — grams to teaspoons, tablespoons, ounces and more.