convert

# File activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb, line 9
      def convert
        @number = Float(number)

        # for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files
        unless options.key?(:strip_insignificant_zeros)
          options[:strip_insignificant_zeros] = true
        end

        if smaller_than_base?
          number_to_format = number.to_i.to_s
        else
          human_size = number / (base ** exponent)
          number_to_format = NumberToRoundedConverter.convert(human_size, options)
        end
        conversion_format.gsub(/%n/, number_to_format).gsub(/%u/, unit)
      end