Alcohol Dilution Calculator

Need to lower the ABV of your signature cocktails? Calculate exactly how much water or mixer to add to hit your target strength instantly.

Dilution Results

WATER/MIXERAmount to add (ml)1375.00
FINAL VOLTotal resulting volume (ml)2375.00

Volume Breakdown

Base
Water
Base: 42.1%Water: 57.9%

Mastering the Alcohol Dilution Calculator

A minimalist black and white hand-drawn sketch of a bartender's measuring cup, jigger, and a spirits bottle used for diluting high-proof alcohol accurately.

Whether you are a professional wedding caterer scaling up a signature cocktail, a bartender crafting house-made tinctures, or a homebrewer proofing down spirits, precision is everything. An extra splash of water can ruin a perfectly balanced drink, while too little can leave it harsh and overpowering. That's exactly why we built the Alcohol Dilution Calculator.

Using this calculator takes the guesswork out of proofing down your spirits. By inputting your initial volume and current Alcohol By Volume (ABV), along with your target strength, you'll instantly see exactly how much water (or non-alcoholic mixer) you need to add to achieve the perfect blend. No messy math required.

Why Accurate Dilution Matters for Event Catering

When catering a large event like a wedding, consistency across hundreds of drinks is critical. If you are batching cocktails in large dispensers, guessing the dilution ratio simply isn't an option. Our Alcohol Dilution Calculator ensures that the first pour tastes exactly the same as the last.

Safety and Proofing Best Practices

Working with high-proof neutral spirits (like Everclear) requires care. Always measure liquids at room temperature, as alcohol volume can fluctuate slightly with temperature changes. Furthermore, always add alcohol to water when possible, rather than water to alcohol, to ensure a smooth, integrated mix and prevent any cloudiness (often referred to as 'louching' when dealing with botanical spirits).

Frequently Asked Questions

How does the Alcohol Dilution Calculator work?+

The Alcohol Dilution Calculator uses a simple algebraic formula (C1V1 = C2V2) to determine how much water is needed to reach your target ABV. You simply provide the starting volume, the starting alcohol percentage, and your desired final percentage. The calculator instantly outputs the exact amount of water to add.

Can I use this calculator for proofing down moonshine or homebrew?+

Absolutely! This tool is perfect for homebrewers and distillers who need to proof down high-proof spirits or moonshine safely and accurately to a drinkable target ABV before bottling.

Why did my spirit turn cloudy after dilution?+

Cloudiness, or "louching", often happens when diluting spirits with high essential oil content (like gin or absinthe). To minimize this, use distilled water, ensure both liquids are at room temperature, and add the spirit to the water slowly.

Does it matter what kind of water I use for dilution?+

Yes. We highly recommend using distilled or reverse osmosis water when using the Alcohol Dilution Calculator for batching cocktails or proofing spirits. Tap water contains minerals and chlorine that can alter the flavor profile of your drink.