Knights of the Mashing Fork

Bitterness Calculator

This is the Javascript version of the Bitterness Calculator. All you have to do is change any value and click Calculate and the IBUs will be calculated. If you want to make multiple additions, simply fill in another line's Alpha Acid Percentage, Mass Added, and Time Boiled fields. The Utilization Percentage, Bittering Units, and Total Bittering Units fields are calculated for you; any entries you make to those fields are ignored.

Wort Specific Gravity (during the boil) Final Volume (gal)

Hop Addition Alpha Acid Percentage Mass Added (oz) Time Boiled (minutes) Utilization Percentage Bittering Units
First
Second
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Fourth
Fifth
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Total Bittering Units
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Printed from: http://kotmf.com/tools/ibu.php on Sep 25, 2016
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