I am using Rails 4 I have set the default locale to is in config/application.rb is.yml is in config/locales In Rails console I type
I18n.availa
1.250 is exactly what you should get with your settings. To get 1,25 this will work.
1.250
1,25
format: delimiter: ! ',' precision: 2 separator: ',' significant: false strip_insignificant_zeros: false