Easily calculate the alcohol content of your beer, wine, mead, cider, or any other fermented creation with our specific gravity and plato calculator.
Finds ABV based on gravity change. If you took an original gravity reading (or had estimated OG), and also took a final gravity (FG) reading prior to adding priming sugar at bottling you can find out your batch’s alcohol by volume ABV.
| Gravity Unit: |
|
| Original Gravity (OG): | |
| Final Gravity (FG): | |
| Equation: |
(see below for more information) |
| Alcohol By Volume: |
6.56
%
|
| Apparent Attenuation: |
100.00
%
|
| Original Gravity: |
12.39
°p
|
| Final Gravity: |
0.00
°p
|
Our ABV calculator allows you to pick between the alternate equation and the standard equation. Use the standard equation if you don’t know the difference and aren’t sure which to use.
To calculate alcohol by volume (ABV), you can use the formula provided on the Fermentaholics website: ABV = (Original Gravity – Final Gravity) * 131.25.
“Original Gravity” refers to the specific gravity of your beverage before fermentation begins. It measures the density of the liquid, typically using a hydrometer, and serves as a baseline for ABV calculations.
“Final Gravity” represents the specific gravity of your beverage after fermentation has completed. This measurement indicates the remaining sugars and other dissolved substances in the liquid, allowing you to determine the alcohol content.
You can measure the Original Gravity and Final Gravity using a hydrometer, which is a device used to measure the specific gravity of liquids. Simply take a sample of your beverage and place the hydrometer in it, allowing it to float. The reading on the hydrometer scale will indicate the specific gravity.
Yes, temperature can impact the accuracy of ABV calculations. It is crucial to adjust your hydrometer readings to the correct temperature, as specified by the instrument’s instructions, to obtain accurate results.
Yes, the ABV calculator can be used for various types of beverages, including beer, wine, cider, mead, and other fermented drinks. It provides a general estimation of the alcohol content based on the specific gravity measurements.
The ABV calculation provides a reasonably accurate estimation for most standard fermentation processes. However, certain factors such as the presence of non-fermentable sugars or additives in the beverage may affect the accuracy of the calculation.
No, the ABV calculation does not require adjustment based on the type of yeast used. The formula considers the difference between the Original Gravity and Final Gravity measurements, which are influenced by the fermentation process as a whole, rather than specific yeast strains.
The ABV calculator does not directly account for additional flavors or ingredients in the beverage. It focuses primarily on determining the alcohol content based on specific gravity measurements. To calculate the impact of additional flavors or ingredients, a more comprehensive analysis may be necessary.
The ABV calculator is specifically designed for calculating the alcohol content in fermented beverages. Therefore, it is not suitable for non-alcoholic beverages that do not undergo fermentation.
The ABV calculation does not directly account for carbonation in beverages. It focuses solely on estimating the alcohol content based on the specific gravity measurements. Carbonation levels are typically measured separately and do not affect the ABV calculation.
The size of the fermentation vessel does not impact the ABV calculation. The calculation is based on the specific gravity measurements, which are influenced by the concentration of fermentable sugars and the amount of alcohol produced during fermentation, rather than the vessel size.
The ABV calculation relies on specific gravity measurements, which are typically obtained using a hydrometer. While alternative methods such as refractometers exist, a hydrometer is commonly used for accurate ABV calculations. It is recommended to use a hydrometer for precise results.
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