Old Carriage Brewery

The app will guide you through the entry of the following data.


  1. 1.Batch size (gallons or liters)

  2. 2.Target specific gravity

  3. 3.Alpha acid content

  4. 4.Amount of hops (ounces or grams)

  5. 5.Time remaining at the addition


The alpha acid content of hops may be entered manually or by consulting the hops database.

Glen Arm, Maryland

IBUcalculator is used to compute the expected bitterness of homebrew based on the type, amount, and duration of hopping.

IBUcalculator 4 has been redesigned to provide a simplified keyboard interface, step-by-step data input, and a boil timer.

Tap here to learn about the

Hops Database