keyword

21x 6

Monthly search volume and cost-per-click data for "21x 6" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=21x+6&country=us" +--------------+------------------+ | volume | 590 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-21 | +--------------+------------------+

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
3/2 divided by 2/3	22,200	$3.96	2/20
2 x 1/2	18,100	$2.14	2/20
3/2 divided by 4	18,100	$0	2/20
solve for x	18,100	$0.31	2/20
3 x 3/2	14,800	$2.79	2/20
21 x 6	9,900	$1.2	11/20
21x-6	480	$0	16/20
x 21 6	210	$0	3/20
if x 21 6 what is the value of x	70	$0	3/20
x 6 21	40	$0	3/20

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=21x+6&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