Free brewing calculators
The numbers you need on brew day and bottling day, free and without an account. When you want them for every recipe and every batch, Mashwerk computes them for you.
Pick a calculator
- ABV calculatorAlcohol by volume and apparent attenuation from your original and final gravity.
- IBU calculatorBitterness with the Tinseth formula, up to three hop additions.
- Hydrometer temperature correctionThe true gravity of a warm or cold sample.
- Refractometer calculatorBrix to gravity, and corrected readings during fermentation.
- Priming sugar calculatorHow much sugar to bottle, from volume, temperature and target carbonation.
All of this, for every batch
Free plan, no credit card. Mashwerk computes it from your recipes, gear and hydrometer readings.
Start brewing free