Homebrew Calculators

openbrew makes brew day calculation easy with these homebrew calculators. Select a calculator below to get started:

Hydrometer Temperature Correction
A hydrometer is calibrated at a certain temperature. Use this calculator to determine the correct specific gravity.
Mash Sparge Water Infusion
There are numerous water calculations that go into brewing an all-grain batch of homebrew. Use this calculaor to determine mash and sparge water volumes and temperatures.