method

number_with_precision

v2.0.3 - Show latest stable - 1 note - Class: ActionView::Helpers::NumberHelper

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What's this?

number_with_precision(number, precision=3) public

Formats a number with the specified level of precision (e.g., 112.32 has a precision of 2). The default level of precision is 3.

Examples

 number_with_precision(111.2345)     # => 111.235
 number_with_precision(111.2345, 2)  # => 111.24
 number_with_precision(13, 5)        # => 13.00000
 number_with_precision(389.32314, 0) # => 389

Show source

# File actionpack/lib/action_view/helpers/number_helper.rb, line 143
      def number_with_precision(number, precision=3)
        "%01.#{precision}f" % number
      rescue
        number
      end

July 9, 2010 - (>= v2.2.1)

0 thanks

Separator default is not always "." but depends on locale

Locale en:

number_with_precision(111.2345)  # => 111.235

Locale fr-FR:

number_with_precision(111.2345)  # => 111,235

Same with delimiter.

number_with_precision

Related methods

Examples

Separator default is not always "." but depends on locale