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Calculate The Perfect Coffee to Water Ratio

Last Updated: February 06, 2020
Author: Maryna G.

Getting the coffee to water ratio right is the key to a great cup of coffee. But measurement is a confusing topic, and “how much ground coffee per cup” doesn’t have a simple answer. Grams to milliliters? Ounces to grams? How many scoops of coffee? What if I like it strong? Do I need a scale? We built this simple calculator to help you figure out how much coffee you need for the perfect morning brew. Ready to brew? Go straight to the water to coffee ratio calculator.

Before you start, there are a few gotchas! First, there are two kinds of “cups”. The measuring cup which you use to make cookies or follow recipes holds eight fluid ounces of water. But the coffee cup you drink from, however, holds 6 ounces of coffee. Mugs typically hold a bit more brew, at 8 ounces. We’ve accounted for those differences as a setting in the calculator.

Learn the best water to coffee ratio
The perfect coffee to water ratio makes the best cup.

Although using a scale can help you be precise about your coffee grounds to water ratio, scoops, measuring cups, and spoons work just fine. The reason coffee professionals use a scale is because coffees vary in density and weight. For example, a scoop of light roast will typically weight bore than the same scoop of dark coffee!

If you want to up your coffee game, we always recommend a few simple tricks: use filtered water; buy fresh coffee in whole bean; grind right before you brew; and learn how to grind coffee beans properly. For reference, Bean Box single-serve bags brew up 4 to 5 6-ounce cups of drip or pour-over coffee; and Bean Box 12-ounce bags make 32+ cups of coffee.

Under the hood, the water to coffee ratio is determined by the brew method, with a 16-1 (water to coffee) ratio as the standard for drip or pour-over coffee. To brew stronger, use more coffee grounds or less water.

If you’re just starting your journey into gourmet/artisan coffee, the Bean Box Coffee Starter Kit is a great way to sample new coffees.

Happy Brewing!

Water to Coffee Ratio Calculator

Coffee to use:
measuring cups0.28
ounces2.25
grams63.78
tablespoons4.5
teaspoons13.5
scoops2.25
Water to use:
measuring cups4.5
fluid ounces36
"cup" lines on pot6
milliliters1064.64
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