Alcohol Calculators

tools to help you shine

Free Alcohol Calculators for Distilling

Alcohol hydrometer measuring ABV beside copper moonshine still and thermometer.
Copper moonshine still with temperature gauge for distilling calculations.
Distilled water and high-proof alcohol being measured for dilution and proofing calculations.

Free Alcohol Calculators for Distillers

Whether you are preparing a sugar wash, checking alcohol by volume, proofing a finished spirit, or calculating how much water to add during dilution, getting the numbers right can save a lot of time and guesswork. PhilBilly Moonshine’s free alcohol calculators are designed to make common distilling calculations quick and easy.

Enter the information you already know, and the calculators do the math for you. These tools can help hobby distillers, home brewers, winemakers, and anyone interested in understanding alcohol measurements and calculations.

Alcohol Dilution and Proofing Calculators

Reducing a high-proof spirit to a desired drinking strength requires more than simply guessing how much water to add. Our alcohol dilution calculators help determine the amount of water needed based on your starting volume, starting alcohol percentage, and desired final ABV.

You can also calculate how much alcohol and water are required when you want to create a specific final volume at a particular strength. These tools are useful when proofing spirits, preparing infusions, blending batches, or experimenting with recipes.

Sugar Wash Calculator

A sugar wash starts with a simple question: how much sugar should you use? The amount of fermentable sugar in a wash has a major effect on its potential alcohol content.

Our sugar wash calculator makes it easier to determine the amount of sugar needed for your batch. Instead of working through formulas manually, enter your batch information and let the calculator handle the math.

Calculate the Alcohol Content of a Wash

Specific gravity readings can tell you much more than whether fermentation has started or stopped. When you have an original gravity and final gravity reading, you can estimate the alcohol by volume produced during fermentation.

Use our alcohol content calculator to quickly estimate wash ABV from your gravity readings. This is useful for comparing recipes, monitoring fermentation performance, and keeping consistent records from one batch to another.

ABV Temperature Correction Calculator

Alcohol hydrometers are calibrated to provide accurate readings at a specific temperature. When the temperature of your sample is different from the calibration temperature, the reading may need to be corrected.

Our ABV temperature correction calculator helps compensate for that difference so you can get a more useful estimate of the actual alcohol concentration of your sample.

Distilling Boil Time Calculator

Heating a large volume of liquid takes time, and several factors can affect how long a still takes to reach operating temperature. Batch size, starting temperature, and available heating power can all make a difference.

The boil time calculator provides an estimate based on the information you enter. It can be especially helpful when comparing heating elements, planning a run, or estimating how a change in equipment may affect heat-up time.

Vapor Speed Calculator

Vapor speed is an important consideration when designing and operating distillation equipment. Column diameter, power input, and other equipment characteristics can affect how vapor moves through a system.

Our vapor speed calculator gives distillers a convenient way to work through these numbers without having to calculate everything manually.

Fortification Spirit Addition Calculator

Sometimes you need to determine how much higher-proof spirit must be added to increase the alcohol content of an existing liquid. The fortification spirit addition calculator handles that calculation for you.

Enter the starting volume and ABV, the strength of the spirit being added, and your desired final strength to calculate the amount required.

Alcohol and Distilling Math Made Easier

Distilling involves plenty of numbers: volume, temperature, specific gravity, alcohol percentage, proof, heating power, dilution ratios, and more. You shouldn’t need to break out a spreadsheet every time you need a quick answer.

That’s why we’ve put these free distilling calculators together in one place. Bookmark this page and come back whenever you need to check a measurement, plan a batch, correct an ABV reading, or work through the numbers for your next project.

These calculators are intended as practical estimation and educational tools. Actual results can vary depending on equipment, measurement accuracy, temperature, ingredients, and other conditions.

Sugar Wash Calculator

sugar
made up to total volume
should have an SG
and only require of water
and should produce a wash of % alcohol

Boil Time Calculator

Volume:
Heating Power:
Start Temp:
End Temp: (Water boils: 100°C/212°F)
Efficiency: %
Time to Temp: minutes

Alcohol Content of Wash

If the SG started at
and finished at
Your wash is % alcohol

Distillate To Water Calculator

of wash at % alcohol  
through a still that collects its distillate at %
should result in alcohol collected
should result in water left in the boiler when finished

Dilution Calculator

Dilute
of % alcohol
Down to %
By adding Water  

 

Create a Volume of Alcohol at a Certain Strength

Create a Volume of Alcohol at a Certain Strength

To make Liters of % alcohol
using % alcohol
Use Liters of Alcohol
and Liters of Water  

ABV Temp Correction Calculator

Enter the temperature of the distillate:
Enter the value the alcoholmeter shows:
for corrected ABV% @ 20 C

Temperature Converter

degrees Celsius
degrees Fahrenheit

Vapor Speed Calculator

Column Diameter (Inches)
Power Input (Watts)
Vapor Speed (Inches)

Fortification (spirit addition)

Fortification (spirit addition)

Current alcohol (%v/v)
Desired alcohol (%v/v)
Spirit alcohol (%v/v)
Volume of wine parts
Volume of spirit to add parts
Details: This calculator works in the same way as a traditional Pearson's square. It is used to give the volume of spirit (of known alcohol content) to add to a volume of wine (of known alcohol content), to bring it to a desired alcohol content.

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