hugo/docs/content/en/functions/countwords.md

title	description	godocref	date	publishdate	lastmod	categories	menu	keywords	signature	workson	hugoversion	relatedfuncs	deprecated	aliases
countwords	Counts the number of words in a string.		2017-02-01	2017-02-01	2017-02-01	functions	docs parent functions	counting word count	countwords INPUT			countrunes	false	/functions/countwords/

The template function works similar to the .WordCount page variable.

{{ "Hugo is a static site generator." | countwords }}
<!-- outputs a content length of 6 words.  -->