convert

# File activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb, line 9
      def convert
        if opts.key?(:prefix)
          ActiveSupport::Deprecation.warn('The :prefix option of `number_to_human_size` is deprecated and will be removed in Rails 5.1 with no replacement.')
        end

        @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'.freeze, number_to_format).gsub('%u'.freeze, unit)
      end