gistfile1.txt

pooka@watou:~/src/brewcalc$ ./bin/wbckegp.py -h
usage: ./bin/wbckegp.py [-v keg volume]
	temperature|pressure|vols temperature|pressure|vols

pooka@watou:~/src/brewcalc$ ./bin/wbckegp.py 3.4 18degC
Pressure                :    2.85 bar    41.3 psi
Temperature             :      18.0°C      64.4°F
CO2 (v/v)               :         3.4

Dissolved CO2 (w/v)     :    6.72 g/l  0.25 oz/qt
Headspace CO2 (w/v)     :    7.17 g/l  0.27 oz/qt

pooka@watou:~/src/brewcalc$ python ./bin/wbckegp.py -v 5gal 4degC 3.4
Pressure                :    1.44 bar    20.9 psi
Temperature             :       4.0°C      39.2°F
CO2 (v/v)               :         3.4

Dissolved CO2 (w/v)     :    6.72 g/l  0.25 oz/qt
Headspace CO2 (w/v)     :    4.78 g/l  0.18 oz/qt

Dissolved CO2 (init.)   :       127 g     4.49 oz
Headspace CO2 (final)   :      90.5 g     3.19 oz
Total CO2 use           :       218 g     7.68 oz