Toolkit / Fortification Calculator

Fortified Wine & Spirit Calculator

Calculate the exact spirit volume (Brandy, Cognac, Everclear, Rum) needed to fortify wine, mead, or cider up to Port or Sherry strength.

Pearson Fortification Math

Fortifying Spirit Type

Custom Spirit ABV %

Base Wine / Mead Volume (Gallons)

Base Wine Current ABV %

Target Fortified ABV %

Spirit Required

Gallons

~ ()

Standard 750ml Bottles

Total Batch Volume

Winemaking Fortification Tip

Fortifying wine or mead above 18% - 20% ABV immediately halts active yeast activity without needing pasteurization, preserving residual sugars for rich, Port-style dessert wines!