Distiller's Calculator

The essential calculation toolkit for home distillers and craft spirits makers

Distiller's Calculator is the all-in-one calculation companion for home distillers, craft spirits producers, and liqueur makers.

Calculators included:
• ABV from Hydrometer — Calculate alcohol by volume from original and final gravity readings
• Hydrometer Temperature Correction — Correct hydrometer readings for temperature deviations
• Proof Conversion — Instantly convert between ABV and US or UK proof
• Drinking Strength (Pearson's Square) — Calculate blending ratios to hit a target ABV, with optional contraction
• Contraction — Calculate volume loss when mixing alcohol and water
• Sugar Syrup — Prepare sugar syrup with precise ratios
• Barrel Filling — Fill a barrel to a target ABV using multiple alcohol sources, with three filling strategies
• Liqueur Calculator — Design liqueurs by target volume, target ABV, or target sugar content, with dry sugar and syrup support
• Liqueur Builder — Build and manage a full recipe library with a custom ingredient database, multi-component recipes, and real-time calculations

Clean and precise
All calculations follow established distilling formulas. Results update in real time as you type — no submit button needed.

Your recipe library
Save, organize, and refine liqueur recipes. Search and filter your ingredient library. Everything stays on your device.

Whether you're correcting a hydrometer reading on the fly or composing a complex herbal liqueur recipe, Distiller's Calculator has you covered.