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
Alcohol and Party Utilities
Tools to calculate alcohol levels, beverage cooling and event planning.
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.
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.
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.
Cocktail Balancer: The Sour Law
Calculate the perfect balance between sweet and sour for your cocktails. Master the golden ratio of mixology.
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.
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.
ABV Dilution Calculator and Proof Converter
Calculate how much water to add when reducing a spirit to a target ABV or proof. The offline calculator shows final volume, pure alcohol, and the dilution ratio.
Beer Mash Efficiency Calculator
Calculate mash efficiency percentage, potential sugar extraction, and expected specific gravity for homebrewing and craft brewing recipes.