keyword

function of a circle

Monthly search volume and cost-per-click data for "function of a circle" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=function+of+a+circle&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-27 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
equation circle	40,500	$0	20/20
equation of a circle	40,500	$0	20/20
equation of circle	40,500	$0	20/20
equation for a circle	40,500	$1.66	17/20
equation of the circle	40,500	$1.66	17/20
circle equations	18,100	$0	19/20
circle equation formula	2,400	$0	17/20
function circle	1,600	$0	20/20
function for a circle	1,600	$0	20/20
function of circle	1,600	$0	17/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=function+of+a+circle&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt