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Coffee to Water Ratio Calculator

Dial in a consistent cup by working backwards from a brew ratio. A ratio like 1 to 16 means one gram of coffee for every sixteen grams of water, and different methods favor different ratios, roughly 1 to 15 for a stronger pour over up to 1 to 17 for a lighter drip. Enter how much water you want (or how many cups) and pick a ratio, and this calculator tells you exactly how many grams of coffee to grind and how many grams of water to pour. Since one milliliter of water weighs one gram, you can measure water by volume too. Weighing your dose is the single biggest step toward repeatable coffee, and this removes the mental math. Presets cover the popular methods so you can start fast. It all runs locally in your browser.

How to use Coffee to Water Ratio Calculator

  1. Enter your brew ratio.
  2. Enter how many cups you want.
  3. Read the exact grams of coffee and water.

Frequently asked questions

How does the brew ratio work?

A ratio like 1 to 16 means one gram of coffee for every 16 grams of water, and the tool multiplies out the grams for your batch.

Which brew methods does it suit?

It works for pour over, French press and drip, since all use a coffee to water weight ratio.

What do I enter?

Enter your chosen brew ratio and the number of cups, and it returns exact grams of coffee and water.

What is Coffee to Water Ratio Calculator?

Dial in a consistent cup by working backwards from a brew ratio. A ratio like 1 to 16 means one gram of coffee for every sixteen grams of water, and different methods favor different ratios, roughly 1 to 15 for a stronger pour over up to 1 to 17 for a lighter drip.

Is Coffee to Water Ratio Calculator free to use?

Yes. Coffee to Water Ratio Calculator is completely free, with no sign-up and no usage limits.

Does Coffee to Water Ratio Calculator work in a web browser?

Yes. Coffee to Water Ratio Calculator runs in any modern web browser. There is nothing to download or install.

Is my data private with Coffee to Water Ratio Calculator?

Yes. Coffee to Water Ratio Calculator runs entirely on your device in your browser, so nothing you enter is uploaded to a server.