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Mash Calculators

Use these handy javascript calculators to help with your mashing calculations! The formulae are from Ken Schwartz's Calculations for All-Grain Brewers, with the exception of the unit conversion calculations which I got from various sites on the web. These calculators should work as advertised, but use them at your own risk (%$#&* lawyers!). These calculators require the use of Netscape 3.0 or better, or Internet Explorer 3.0 or better.

Also check out Glenn Tinseth's Javascript hop bitterness and water chemistry calculators.

Please report all bugs to the webmaster.

Strike Temperature Calculator

Calculate the temperature your strike water needs
to be in order to hit the desired mash-in temperature.

Mash Thickness (qt/lb or liters/kg)

Desired Strike Temperature (deg F or C)

Temperature of Grain (deg F or C)

Units of Measurement: American Metric

 

Rest Calculator

Calculate the amount of boiling water you need
to raise your mash to the next rest temperature.

Weight of Grains (lb or kg)

Mash Thickness (qt/lb or liters/kg)

Current Temperature (deg F or C)

Target Temperature (deg F or C)

Units of Measurement: American Metric

 

Can I Mash It?

Find out if your mash tun is big enough to
hold your grain bill plus the strike water.
Note! This calculator does not take the
space under your false bottom into account!

Weight of Grains (lb or kg)

Mash Thickness (qt/lb or liters/kg)

Units of Measurement: American Metric

 

American/Metric Conversion

Amount to Convert

Conversion
deg F to deg C
deg C to deg F
pounds to kilograms
kilograms to pounds
quarts to liters
liters to quarts
ounces to grams
grams to ounces

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