Cold brew coffee is hands-down the easiest way to make cold coffee: and you don’t need any fancy gear. Show
All you’ll need is a large jar, jug or container that’s easy to pour your cold brew out of once its finished brewing. If you’re using Toddy Cold Brew gear or Hario’s Mizudashi cold brew pot, you can skip the manual filtering in step five, and just use the built-in filter. 1 Litre 3 Litres Method for 1 Litrefor 3 Litres
Scale it up or downThis cold brew coffee recipe scales up and down easily, as long as you stick with the ratio of 8:100 of coffee to water. But no matter how much you’re brewing, the wait time is the same, around 8-12 hours. Want to add milk to your cold brew?That works too! Top up your brew with a little milk. Adding milk changes the flavour and dulls a lot of the flavour in filter-roasted beans, so we recommend using an espresso blend (like Pacemaker) if you’re adding milk. Never drink weak cold brew againDo you like sipping your cold brew till the ice melts, but don’t like diluted cold brew? Make a tray of ice blocks using cold brew, and you’re all set. Start exploringCold brew is also perfect to start combining to make other drinks and cocktails. Try it with tonic water or cocktails. If you’ve ever made cold brew coffee at home, you know how simple the process is. But despite the straightforward steps, you always seem to get stuck on one question: Hold on a second—what’s the right cold brew coffee ratio again? Everyone gets tripped up here. Even the pros. We’ll show you exactly how much coffee and water you need to make cold brew coffee every time for that sweet, smooth flavor you crave. And along the way, you’ll discover…
Here’s our goal: by the end of this article, you’ll never have to search for the right cold brew coffee ratio on Google again.
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How Coffee Ratios Work
Coffee ratios for regular cups of hot coffee are a bit of a complicated topic—at least, they look complicated at first. Let’s make them simple. Generally, we suggest aiming for a coffee ratio of 1 gram of coffee to 15-18 milliliters of water. To make it easier to read, we write this out as 1:15 to 1:18. Pro tip: 1 milliliter of water = 1 gram of water, so we’ll just use ‘grams’ for simplicity’s sake. That means, for every 1 gram of coffee, you’re going to use 15-18 grams of hot water to make your final cup. This is the widely agreed upon range where your coffee tastes smooth and balanced.
These are generalizations, but most people agree: somewhere between 1:15 and 1:18 is the sweet spot for balancing concentration and extraction—there’s even research to prove it!
Why Cold Brew Coffee Ratios Are Extra Confusing
Cold brewing gets a little more complicated because you don’t brew coffee at a 1:15 or 1:18 ratio—you make a concentrate. Common recipes range from a 1:2 ratio to a 1:5 (a lot more concentrated than regular coffee!). Brewing a cold brew concentrate is possible because the brewing happens over 12+ hours, rather than a couple of minutes.
That last part is the trick—you have to be able to dilute it properly to achieve that smooth, balanced flavor. And that’s where many home cold brewers go wrong. Read: Battle of the Brews: Hot, Iced, and Cold Brew Coffee Explained
How To Use Cold Brew Coffee Ratios Correctly
Let’s use the ESPRO Cold Brew CB1 coffee maker as a real-world example. Here’s what we suggest:
That’s roughly a 1:2 ratio—1 gram of coffee per 2 grams of water—very concentrated! (You wouldn’t want to drink it straight. Too strong.) Remember: most people agree that a 1:15 to 1:18 ratio is ideal for balanced strength for regular coffee. However, some people like to drink their cold brew coffee a little stronger—around a 1:10 to 1:14 ratio—because once you add ice (and some of it melts), you end up at a balanced strength.
You are the final say on what tastes good to you. If you like a more concentrated cold brew coffee, dilute to 1:10. If you want it to be less strong and more relaxing, dilute to 1:14 or 1:16. The good thing is, you can do it all in one session. Dilute to 1:10, then take a sip and see how you like it. Then you can just keep adding a little water until it’s just right for you. Read: Coffee Flavor 101: How to Taste Your Brew Like the Pros for Max Enjoyment
Save These 5 Ratios For Later Use
Write these down on a piece of paper you keep near your coffee station. With a few ratios you can always go back to, you’ll never have to ask Google for help or whip out the calculator. These 1:2 Brewing Ratios are great for strong concentrates.
These Diluting Ratios are beloved go-to’s for making that concentrate taste balanced.
With these quick calculations in your kitchen, you’ll be ready to brew or dilute delicious cold brew coffee at a moment’s notice—without lots of thinking, calculations, or searching.
The Last Tip: Use A Brewer With Recipe Markings
We know this all feels like… well… a lot. That’s why we designed the ESPRO Cold Brew CB1 with pre-measured recipe markings, so your measurements are always visible when you make coffee. It’s the easiest way to make cold brew without all the huss and fuss (and it’s got a few tricks up its sleeve to help you make tastier, smoother coffee). What is the best ratio for cold brew coffee?Most people prefer to drink cold brew with a concentrate-to-water ratio between 2:1 and 1:1. If you like stronger coffee, use the 2:1 dilution ratio. We prefer a little less intense, so we would go with 1:1.
How much coffee do I put in a 12oz cold brew?To brew a full batch of cold brew, use 7 cups of filtered water and 12 oz. of ground coffee. To ensure full saturation of the coffee grounds, pour coffee and water into the container, starting with 4 oz. of coffee followed by 2 cups of water.
How much coffee do I need for a 32 oz cold brew?When we make cold brew, we use 3 ounces by weight (1 cup dry) for a 32 ounce container of cold brew. That's about 24 ounces of water and a 1:8 ratio. This will leave you with a smooth, drinkable brew. If you prefer to make a concentrate, increase the amount of ground coffee you use to make the brew stronger.
How much coffee do you use for 3 cups of cold brew?Cold Brew to Pour over Ice: use 28 grams of coffee beans per 1 cup of water (or 85 grams per 3 cups). This is the most common cold brew coffee ratio. Cold Brew to Reheat and Enjoy Hot: Prepare cold brew as above, with 1 cup of water per 28 grams of coffee beans, and then add hot water to taste.
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