Brewhouse Efficiency Calculator | Brewer's Friend
Reports beer mash extraction efficiency in percentage terms and points per pound per gallon (ppg). Useful for all grain beer brewers to calculate their actual efficiency at extracting sugars from the grain during the mash.

Mash Calculators
Use these handy javascript calculators to help with mashing calculations!
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Mash Infusion and Rest Schedule Calculator | Brewer's Friend
Infusion mash calculator with rest steps. Use this calculator to find out your strike water temperature and volume, and if you are performing additional rests you can plan them out in advance.

Quick Infusion Calculator for Mashing | Brewer's Friend
Finds the amount of boiling water needed to reach a new rest temperature in your mash tun. For use in the middle of mashing.