Fermentus Labs - Brewing & Fermentation Calculators

Brewing Calculators

ABV Calculator

Calculate alcohol by volume from gravity readings

Original Gravity (OG)

Typical: 1.040 - 1.080

Final Gravity (FG)

Typical: 1.008 - 1.020

pH Adjuster

Calculate acid additions to reach target pH

Current pH

Mash/must pH

Target pH

Desired pH

Volume (Liters)

Batch size

Acid Type