Brewing & Coffee tools
Free brewing and coffee tools on toolcan: work out ABV, dial in a coffee to water ratio, and check brew strength. Each runs entirely in your browser.
Popular Brewing & Coffee tools
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ABV Calculator
Work out the alcohol by volume of your beer, wine, or cider from hydrometer gravity readings, using both the quick and the more accurate formula. Shows attenuation too. Calculates in your browser.
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Coffee to Water Ratio Calculator
Find how much coffee or water you need for a given brew ratio, from a strong 1:15 to a mild 1:18. Enter one amount and get the other in grams. Calculates in your browser.
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Brew Strength Calculator
Turn a refractometer TDS reading into an extraction yield and see whether your coffee lands in the ideal range. Enter your dose, water, and measured strength. Calculates in your browser.