Homebrew Alcohol Calculator: ABV, OG & FG

🍺 Homebrew Alcohol Calculator

Calculate ABV, attenuation, calories, and batch yield for beer, wine, mead, and cider

Quick Presets
🧮 Calculator
ABV (Standard)
--
% alcohol by volume
ABV (Alternate)
--
% (more accurate >6%)
Apparent Attenuation
--
% yeast efficiency
Calories per 12 oz
--
kcal per serving
📊 Homebrew Quick Reference
131.25
ABV Multiplier
1.000
Water Gravity
~17g
Sugar/1% ABV/L
60°F
Hydrometer Ref Temp
StyleOG RangeFG RangeTypical ABVAttenuation
Light Lager1.028–1.0401.004–1.0102.5–4.5%75–85%
American Wheat1.040–1.0551.008–1.0134–5.5%73–80%
Pale Ale1.045–1.0601.008–1.0154.5–6.5%75–82%
IPA1.056–1.0751.008–1.0186–7.5%78–85%
Stout / Porter1.060–1.0901.010–1.0225.5–8.5%72–80%
Imperial IPA / Stout1.075–1.1201.012–1.0248–12%76–84%
Table Wine (Dry)1.070–1.0850.990–1.0009.5–11.5%98–100%
Table Wine (Sweet)1.085–1.1101.005–1.0208.5–13%82–94%
Mead (Session)1.060–1.0800.998–1.0107–10%88–99%
Mead (Traditional)1.080–1.1200.990–1.01010–15%92–99%
Hard Cider1.045–1.0650.998–1.0105–8%85–99%
Bochet / Fruit Mead1.100–1.1500.995–1.01512–18%90–99%
OGPotential ABV (max)Sugar Content (approx)Common Use
1.0202.6%51 g/LKvass, very light beer
1.0303.9%77 g/LLight table beer
1.0405.2%102 g/LSession ale, light lager
1.0506.6%128 g/LStandard ale, pale ale
1.0607.9%154 g/LIPA, stout
1.0709.2%179 g/LStrong ale, table wine
1.08010.5%205 g/LBarleywine, session mead
1.09011.8%231 g/LStrong wine, dry mead
1.10013.1%257 g/LTraditional mead
1.12015.7%309 g/LBig mead, dessert wine
1.15019.7%385 g/LHigh-gravity mead
Sugar TypeGravity Points/lb/galFermentabilityNotes
Table Sugar (Sucrose)46100%Fully fermentable, clean
Corn Sugar (Dextrose)46100%Common priming sugar
Light DME (Dry Malt)4475%Beer flavor, moderate body
Light LME (Liquid Malt)3675%Beer flavor, moderate body
Honey3595%Adds honey character
Maple Syrup3090%Subtle maple flavor
Brown Sugar46100%Slight molasses flavor
Lactose (Milk Sugar)420%Non-fermentable, adds body
Apple Juice (per gal)14–1695%Base for hard cider
Grape Juice (per gal)22–2898%Base for wine
Measured Temp (°F)Correction FactorMeasured Temp (°C)Add to Reading
50°F−0.000710°C−0.0007
55°F−0.000313°C−0.0003
60°F0.000015.5°C0.0000 (calibrated)
65°F+0.000618°C+0.0006
70°F+0.001221°C+0.0012
75°F+0.001824°C+0.0018
80°F+0.002727°C+0.0027
85°F+0.003629°C+0.0036
90°F+0.004832°C+0.0048
💡 Standard Formula: ABV = (OG − FG) × 131.25. This is accurate up to about 6% ABV. For stronger brews, use the alternate formula: ABV = (76.08 × (OG − FG) / (1.775 − OG)) × (FG / 0.794), which gives more precise results above 6%.
💡 Attenuation: Apparent attenuation tells you how much of your wort sugars were converted to alcohol. A healthy fermentation typically achieves 75–85% attenuation for beer. If attenuation is below 70%, fermentation may have stalled. Wine and mead yeasts often exceed 95%.
💡 Hydrometer Tips: Always calibrate your hydrometer at 60°F (15.5°C). If sampling at a higher temperature, add the correction factor from the table above. Rinse the hydrometer with distilled water between samples to avoid cross-contamination between readings.
💡 Calorie Estimate: Calories in homebrew come from both alcohol and residual sugars. The formula used here estimates alcohol calories at 7.1 kcal/g and residual extract calories at 3.8 kcal/g, giving a reasonable approximation — actual values vary by recipe.

 

homebrew of alcohol is made up of the preparation of beer or other alcoholic drinks at home, for personal use without commercial intent. For thousands of years one did beer home, before it became product of businesses. One can buy gear as tools and fermenting tins in local specialist stores or online.

All new brewers should first receive basic homebrew gear.

How to Make Alcohol at Home

The easiest way to produce alcohol home is to mix sugar, water and yeast in a bottle. Lay it in a cabinet for a week, and it will become an alcoholic drink. Making alcohol from beer is simple work, even so reaching drinkable results requires an entirely otehr challenge.

Trying is a key part, and little changes in ingredients can lead to unusual but pleasing flavors.

An excellent starting point for newcomers is the fermentation of mead, cider or wine. They skip the whole brewing procedure and work as a gateway too the fermenting world. In wine, juice from grapes without preservatives works well.

Fermented filtered juice until clear state commonly reaches between 5% and 7% of alcohol by volume. Use store-bought fruit juice for wine is an excellent method for making cheap drink with high alcoholic content.

In beer the procedure includes a stage called mashing, that helps warm water convert starch in sugar. Then one boils that sugar water in a jar with hops, that adds the typical bitterness and fragrances. This hopped sugar water, called wort, later passes in a fermenter, where yeast alters sugar in alcohol and carbon gases.

Yeast is a living creature, that alters sugar in alcohol. Ale tins use top fermenting yeast and usually stay in temperatures between 60 and 78 degrees Fahrenheit. They ferment only during a week, what makes them better for homebrew fans.

Lager yeast requires more time, stretching the whole process to weeks or even months. After fermentation one requires at least two weeks for bottling, because that forces carbonation to happen. A full month of waiting can ensure morequality results.

The best way to expand the alcoholic grade is to add more sugar, that yeast can consume. One can strengthen a recipe to double or imperial variant by means of that method. For instance, add more fermentable sugar to a recipe for stout to make it imperial stout.

For cheap beer with high alcohol and good flavor, west coast pale ale or IPA with medium hops and strongly fermenting yeast works well.

Counting the alcoholic proportion is easy using a hydrometer. One measures the density of the liquid before and after fermentation to receive the needed values. The basic formula is original density minus final density, multiplied by 131, what gives the ABV.

Mead can cost a lot, because honey is expensive. A recipe based only on corn and yeast is a more economic option for alcohol production.

Homebrew Alcohol Calculator: ABV, OG & FG

Leave a Comment