keyword

21 miles to km

Monthly search volume and cost-per-click data for "21 miles to km" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=21+miles+to+km&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

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
6 6 miles in km	8,100	$0	18/20
12 miles in km	6,600	$0	18/20
23 miles in km	5,400	$0	20/20
14 miles in km	4,400	$0	18/20
14 miles to km	4,400	$0	18/20
21 miles in km	2,900	$0	20/20
11 mile to km	2,900	$0	19/20
21 miles in kilometers	2,900	$0	19/20
21 miles to kilometers	2,900	$0	19/20
21 miles km	2,900	$0	18/20

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=21+miles+to+km&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