keyword

21 x 5

Monthly search volume and cost-per-click data for "21 x 5" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=21+x+5&country=us" +--------------+------------------+ | volume | 14,800 | | cpc | $1.01 | | competition | 0 | | country | US | | updated | 2026-06-15 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
1 1/2 x 3	8,100	$2.1	9/20
1/2 x 3 1/2	8,100	$3.8	9/20
2/5 x 3	8,100	$0	9/20
2/4 x 3	6,600	$2.01	9/20
1/5 x 2	5,400	$1.68	9/20
x 1 2 5/2	5,400	$1.68	9/20
2 x 2/5	4,400	$1.93	9/20
2/3 x 4	3,600	$0	9/20
10 x 4	1,300	$0	10/20
2/5 x 2	480	$0	10/20

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://app.seodata.dev/v1/keyword?q=21+x+5&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