class Numeric

significant: false) # => "1,2 Million"
separator: ',',
1234567.to_s(:human, precision: 1,
significant: false) # => "1.2346 Million"
1234567.to_s(:human, precision: 4,
489939.to_s(:human, precision: 4) # => "489.9 Thousand"
489939.to_s(:human, precision: 2) # => "490 Thousand"
1234567890123456789.to_s(:human) # => "1230 Quadrillion"
1234567890123456.to_s(:human) # => "1.23 Quadrillion"
1234567890123.to_s(:human) # => "1.23 Trillion"
1234567890.to_s(:human) # => "1.23 Billion"
1234567.to_s(:human) # => "1.23 Million"
12345.to_s(:human) # => "12.3 Thousand"
1234.to_s(:human) # => "1.23 Thousand"
123.to_s(:human) # => "123"
Human-friendly format:

524288000.to_s(:human_size, precision: 5) # => "500 MB"
1234567890123.to_s(:human_size, precision: 5) # => "1.1228 TB"
1234567.to_s(:human_size, precision: 2, separator: ',') # => 1,2 MB
483989.to_s(:human_size, precision: 2) # => 470 KB
1234567.to_s(:human_size, precision: 2) # => 1.2 MB
1234567890123.to_s(:human_size) # => 1.12 TB
1234567890.to_s(:human_size) # => 1.15 GB
1234567.to_s(:human_size) # => 1.18 MB
12345.to_s(:human_size) # => 12.1 KB
1234.to_s(:human_size) # => 1.21 KB
123.to_s(:human_size) # => 123 Bytes
Human-friendly size in Bytes:

# => 1.111,23
1111.2345.to_s(:rounded, precision: 2, separator: ',', delimiter: '.')
389.32314.to_s(:rounded, precision: 4, significant: true) # => 389.3
# => 13
13.to_s(:rounded, precision: 5, significant: true, strip_insignificant_zeros: true)
111.234.to_s(:rounded, locale: :fr) # => 111,234
13.to_s(:rounded, precision: 5, significant: true) # => 13.000
111.2345.to_s(:rounded, precision: 1, significant: true) # => 100
111.2345.to_s(:rounded, significant: true) # => 111
389.32314.to_s(:rounded, precision: 0) # => 389
13.to_s(:rounded, precision: 5) # => 13.00000
111.2345.to_s(:rounded, precision: 2) # => 111.23
111.2345.to_s(:rounded) # => 111.235
Rounded:

# => 98 765 432,98
98765432.98.to_s(:delimited, delimiter: ' ', separator: ',')
12345678.05.to_s(:delimited, locale: :fr) # => 12 345 678,05
12345678.05.to_s(:delimited, separator: ' ') # => 12,345,678 05
12345678.to_s(:delimited, delimiter: ',') # => 12,345,678
12345678.to_s(:delimited, delimiter: '.') # => 12.345.678
12345678.05.to_s(:delimited) # => 12,345,678.05
12345678.to_s(:delimited) # => 12,345,678
Delimited:

100.to_s(:percentage, format: '%n %') # => 100.000 %
1000.to_s(:percentage, locale: :fr) # => 1 000,000%
302.24398923423.to_s(:percentage, precision: 5) # => 302.24399%
1000.to_s(:percentage, delimiter: '.', separator: ',') # => 1.000,000%
100.to_s(:percentage, precision: 0) # => 100%
100.to_s(:percentage) # => 100.000%
Percentage:

# => 1234567890,50 £
1234567890.50.to_s(:currency, unit: '£', separator: ',', delimiter: '', format: '%n %u')
# => £1234567890,50
1234567890.50.to_s(:currency, unit: '£', separator: ',', delimiter: '')
# => ($1,234,567,890.50)
-1234567890.50.to_s(:currency, negative_format: '(%u%n)')
1234567890.506.to_s(:currency, locale: :fr) # => 1 234 567 890,51 €
1234567890.506.to_s(:currency, precision: 3) # => $1,234,567,890.506
1234567890.506.to_s(:currency) # => $1,234,567,890.51
1234567890.50.to_s(:currency) # => $1,234,567,890.50
Currency:

# => +1.123.555.1234 x 1343
1235551234.to_s(:phone, country_code: 1, extension: 1343, delimiter: '.')
1235551234.to_s(:phone, country_code: 1) # => +1-123-555-1234
1235551234.to_s(:phone, area_code: true, extension: 555) # => (123) 555-1234 x 555
1235551234.to_s(:phone, delimiter: ' ') # => 123 555 1234
1235551234.to_s(:phone, area_code: true) # => (123) 555-1234
1235551234.to_s(:phone) # => 123-555-1234
5551234.to_s(:phone) # => 555-1234
Phone Numbers:

==== Examples

For details on which formats use which options, see ActiveSupport::NumberHelper

==== Options

precision, positional notation, file size and pretty printing.
Options are provided for phone numbers, currency, percentage,
Provides options for converting numbers into formatted strings.

def to_formatted_s(format = :default, options = {})
  case format
  when :phone
    return ActiveSupport::NumberHelper.number_to_phone(self, options)
  when :currency
    return ActiveSupport::NumberHelper.number_to_currency(self, options)
  when :percentage
    return ActiveSupport::NumberHelper.number_to_percentage(self, options)
  when :delimited
    return ActiveSupport::NumberHelper.number_to_delimited(self, options)
  when :rounded
    return ActiveSupport::NumberHelper.number_to_rounded(self, options)
  when :human
    return ActiveSupport::NumberHelper.number_to_human(self, options)
  when :human_size
    return ActiveSupport::NumberHelper.number_to_human_size(self, options)
  else
    self.to_default_s
  end
end