Hop Utilization / IBU Calculator
Estimate IBU from hop weight, AA%, boil time, and wort gravity (Tinseth).
About this tool
Pick a hop addition, enter ounces or grams, alpha-acid percent, boil time, and the wort gravity and volume. The Tinseth utilization model returns the IBU contribution for that addition plus a recipe total. The r/Homebrewing 'will 1 oz of Citra at 60 min make my IPA too bitter' answer.
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