Alcohol and Party Utilities

Tools to calculate alcohol levels, beverage cooling and event planning.

Cocktail Balancer: The Sour Law

Calculate the perfect balance between sweet and sour for your cocktails. Master the golden ratio of mixology.

Beer Cooling Calculator with Newton's Law

Calculate with real thermodynamics — Newton's Law of Cooling — exactly how long your beer needs to reach the perfect serving temperature in the fridge or freezer.

Party Beer Calculator: Amount Per Person for Weddings & Birthdays

Free tool to calculate how much beer and ice you need based on guests, duration and temperature. Perfect for weddings, birthdays and outdoor events.

Beer Carbonation & Priming Calculator

Calculate the exact grams of Dextrose, Table Sugar or DME (Dry Malt Extract) for bottling your homebrew. Enter your volume, fermentation temperature and style for a perfect priming.

Hangover & BAC Calculator: Recovery Predictor

Calculate your Blood Alcohol Content (BAC) and time to reach 0.0 using Widmark's formula. Plan your pre-sleep hydration and know when you'll be fully recovered.

Jello Shot Lab: The Perfect Gelatin and Alcohol Ratio Calculator

Calculate exactly how much spirit and gelatin to use for jello shots that actually set. Avoid the runny or rubbery failures with science-backed ratios for any spirit strength.

Fortified Wine & Vermouth Builder: Pearson Square Calculator

Calculate exactly how much spirit to add to your wine to reach your target ABV. Craft perfect vermouth, port, and sherry with the Pearson Square method.

Science and Party

Calculate the perfect balance for your cocktails
Cool your drinks in record time with physical precision
Plan keg and ice stock for your events
Estimate your metabolism and recovery time