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The number_format filter formats numbers. It is a wrapper around PHP's number_format function:

{{ 200.35|number_format }}

You can control the number of decimal places, decimal point, and thousands separator using the additional arguments:

{{ 9800.333|number_format(2, '.', ',') }}

To format negative numbers, wrap the number with parentheses (needed because of Twig's precedence of operators:

{{ -9800.333|number_format(2, '.', ',') }} {# outputs : -9 #}
{{ (-9800.333)|number_format(2, '.', ',') }} {# outputs : -9,800.33 #}

If no formatting options are provided then Twig will use the default formatting options of:

  • 0 decimal places.
  • . as the decimal point.
  • , as the thousands separator.

These defaults can be easily changed through the core extension:

$twig = new \Twig\Environment($loader);
$twig->getExtension(\Twig\Extension\CoreExtension::class)->setNumberFormat(3, '.', ',');

The defaults set for number_format can be over-ridden upon each call using the additional parameters.


  • decimal: The number of decimal points to display
  • decimal_point: The character(s) to use for the decimal point
  • thousand_sep: The character(s) to use for the thousands separator
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