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Free ABV calculator & brewing calculator. Calculate alcohol by volume, calories, and standard drinks. Our calculator uses brewing industry standards to determine accurate alcohol content and nutritional information for beverages.
Last updated: February 2, 2026
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Alcohol by Volume
5.25%
Alcohol by Weight
0.81%
Calories per 100ml
29
Standard Drinks
0.38
Recommendation
Medium alcohol content. Similar to strong beer or wine.
ABV Formula
(OG - FG) × 131.25
Standard formula for calculating alcohol by volume from gravity measurements
ABW Formula
ABV × 0.789
Convert volume-based alcohol content to weight-based measurements
Calories per 100ml
ABV × 0.789 × 7
Calculate calories from alcohol content for dietary planning
Standard drinks
ABV ÷ 14
Convert alcohol content to standard drink equivalents
Temperature factor
±0.0002 per °C
Correct gravity readings for accurate ABV calculations
Attenuation
(OG - FG) ÷ OG
Calculate fermentation efficiency and attenuation percentage
For OG 1.050 and FG 1.010:
ABV
5.25%
Standard Drinks
0.38
Our ABV calculator uses brewing industry standards and scientific formulas to determine accurate alcohol content and nutritional information. The calculation applies brewing industry standards to ensure precise measurements and analysis for beverage production and consumption.
ABV = (OG - FG) × 131.25ABW = (ABV × 0.789) ÷ (1 + (ABV × 0.789))Calories = ABV × 0.789 × 7Standard Drinks = ABV ÷ 14These formulas ensure accurate ABV calculations for brewing and beverage analysis. The calculations follow standard brewing industry practices and scientific principles.
Shows fermentation process, gravity measurements, and ABV calculation
ABV calculations are based on brewing industry standards and scientific principles. These standards ensure accurate alcohol content measurement for beverage production, labeling, and consumption guidelines. Professional brewers use these calculations for quality control and regulatory compliance.
Need help with other brewing calculations? Check out our breastfeeding calorie calculator and body recomposition calculator.
Get Custom Calculator for Your BusinessResult: 5.25% ABV, 4.14% ABW, 29 calories per 100ml
This is a typical beer strength with moderate alcohol content.
OG 1.040, FG 1.008
4.2% ABV, 0.3 standard drinks
OG 1.080, FG 1.020
7.9% ABV, 0.56 standard drinks
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