Module: Zymurgy::Utils

Instance Method Summary collapse



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# File 'lib/zymurgy/utils.rb', line 28

def celsius_2_fahrenheit degrees_celsius
  32.0 + degrees_celsius / (5.0/9.0)
end



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# File 'lib/zymurgy/utils.rb', line 32

def fahrenheit_2_celsius degrees_fahrenheit
  (5.0/9.0) * (degrees_fahrenheit - 32.0)
end



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# File 'lib/zymurgy/utils.rb', line 20

def kilograms_2_ounces kilograms
  kilograms / 0.0283495231
end



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# File 'lib/zymurgy/utils.rb', line 12

def kilograms_2_pounds kilograms
  kilograms * 2.2
end



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# File 'lib/zymurgy/utils.rb', line 4

def litres_2_us_gallons litres
  litres / 3.78541178
end



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# File 'lib/zymurgy/utils.rb', line 24

def ounces_2_kilograms ounces
  ounces * 0.0283495231
end



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# File 'lib/zymurgy/utils.rb', line 36

def pkgl_2_ppg pkgl
  litres_2_us_gallons(pounds_2_kilograms(pkgl))
end



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# File 'lib/zymurgy/utils.rb', line 16

def pounds_2_kilograms pounds
  pounds / 2.2
end



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# File 'lib/zymurgy/utils.rb', line 40

def ppg_2_pkgl ppg
  us_gallons_2_litres(kilograms_2_pounds(ppg))
end



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# File 'lib/zymurgy/utils.rb', line 8

def us_gallons_2_litres gallons
  gallons * 3.78541178
end