Mashwise: Homebrew Calculator

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About this app

Mashwise gives homebrewers accurate calculators for every stage of brew day, with no account and no internet connection.

CALCULATE EVERY STEP
• ABV and attenuation from original and final gravity
• Hydrometer temperature correction and refractometer Brix-to-gravity, before and during fermentation
• Bitterness (IBU) by Tinseth or Rager, hop by hop
• Beer colour (SRM/EBC) from the grain bill, with a colour swatch preview
• Strike and sparge water volumes, and brewhouse efficiency
• Priming sugar for bottles and regulator pressure for kegs
• Dilution and boil-off to hit a target gravity

SAVE FULL RECIPES
Build unlimited recipes with grains, hops, yeast and mash notes. Mashwise estimates OG, IBU and colour as you type, and exports each recipe as text or a JSON file to back up or share.

PAY ONCE, BREW ANYWHERE
No ads. No subscription. No account. Mashwise works fully offline and collects or shares no data.

What’s new

First release: ABV and attenuation, hydrometer and refractometer corrections, bitterness (Tinseth/Rager), beer colour (SRM/EBC) with a colour preview, strike/sparge water and efficiency, priming sugar and keg carbonation, dilution and boil-off. Unlimited saved recipes with export. Works offline with no ads or account.