Free Brewing Tool

ABV Calculator

Calculate the alcohol content of your homebrew from original and final gravity readings. Supports SG and Plato units.

ABV Calculator

Alcohol By Volume

1.030 – 1.090
1.002 – 1.025
Temperature Correction
°C
°C

Most modern hydrometers are calibrated at 20°C (68°F). Enter the temperature of your sample when you took the reading.

Alcohol by Volume
%
Standard
ABV = (OG − FG) × 131.25 · temp corrected via ASBC polynomial
⚡Real-time calculation
🧮SG & Plato units
💾Saves your last values