Priming Sugar Calculator

This priming sugar calculator is based on an equation I found on the Home Brew Digest mailing list. You can find the email, written by Bill Pierce, in digest #5471. Use this calculator to estimate how much dextrose (corn sugar) to use when bottling your beer. As a point of reference, for American ales, typical values of priming sugar for a batch of 5 gallons of beer will between 90 and 130 grams. You will need a browser that supports JavaScript to use the calculator.

Definitions:

Vbeer      ≡ Volume of beer in US gallons
VCO2       ≡ Desired carbonation level in volumes of CO2
Tferm      ≡ Fermentation temperature of beer in °F
PS        ≡ Priming sugar weight in grams

Typical CO2 levels in bottled beers

Beer style                      Volumes CO2
-------------------------------------------
 British-style ales              1.5 - 2.0
 Porter, stout                   1.7 - 2.3
 Belgian ales                    1.9 - 2.4
 European lagers                 2.2 - 2.7
 American ales & lagers          2.2 - 2.7
 Lambic                          2.4 - 2.8
 Fruit lambic                    3.0 - 4.5
 German wheat beer               3.3 - 4.5

Priming sugar estimate:

⇒ PS = 15.195 × Vbeer × (VCO2 - 3.0378 + (0.050062 × Tferm) - (0.00026555 × (Tferm)2))
 
 
     
 
 

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