Determine the quantity of dilution that you'll get from added fruit. Calculation provided by Bret Kollmann Baker from Urban Artifact.
Enter values to calculate the Target OG (Original Gravity):
Fruit added to beer will dilute your beer. Most fruit is less sweet than wort. It is not additive. Here is the equation:
Target OGcombined = OGwort * (Volwort / (Volfruit + Volwort)) + OGfruit * (Volfruit / (Volfruit + Volwort))