Calculate bitterness using the Tinseth utilization formula. Free ibu calculator (tinseth) for hop additions, bitterness, and IPA recipe design.
A quick decision brief for this specific tool
Alpha Acid (%), Hop Weight (oz), Boil Time (minutes), Wort OG, and 1 more
IBU Calculator (Tinseth)
1 documented formula across 1 calculation mode
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This page shows the available inputs, calculation steps, and recorded method or source notes for IBU Calculator (Tinseth). Source coverage varies by tool; independently confirm consequential results.
This page shows the available inputs, calculation steps, and recorded method or source notes for IBU Calculator (Tinseth). Source coverage varies by tool; independently confirm consequential results.
This page shows the available inputs, calculation steps, and recorded method or source notes for IBU Calculator (Tinseth). Source coverage varies by tool; independently confirm consequential results.
Updated: July 2026
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Check the expected unit for each input field (shown as suffix). Converting between imperial and metric units before entering values prevents calculation errors.
When a formula combines multiple measurements, all inputs must use compatible units. Convert everything to the same system (metric or imperial) before calculating.
The IBU Calculator (Tinseth) provides precise, instant unit conversions and calculations for professional, educational, and field applications. Designed for accurate results based on standardized physical and mathematical formulas.