Numbers

filesizeformat: This filter formats a numeric value as KB, MB etc. This filter can be used to display a number of bytes in a human readable format of kilo- or megabytes.
format_duration: Show a duration in hours, minutes and seconds.
format_integer: Show an integer value.
format_number: Show an integer or float.
format_price: Show a price with decimals.
is_even: Test if an integer value is even:
is_number: Test if a value is a number (integer or floating point):
max: Take the maximum of the filter value and its first argument.
min: Take the minimum of the filter value and its first argument.
minmax: Force the given value in the given range.
rand: Generates a random number. The number is from, and including, 1 up to, and including, the input value.
round: Round a floating point value to the nearest integer.
round_significant: Round a number value to a number of significant digits. The significance defaults to two digits.
to_integer: Convert the input to an integer value.