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keyword

21.5 c to fahrenheit

Monthly search volume and cost-per-click data for "21.5 c to fahrenheit" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=21.5+c+to+fahrenheit&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-07 | +--------------+------------------+
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
21 degrees c to f 60,500 $0 19/20
21 degrees celsius to fahrenheit 60,500 $0 19/20
21 c to f 60,500 $0 18/20
21 celsius to fahrenheit 60,500 $0 18/20
21.5 c to f 2,900 $0 20/20
21.5 celsius to fahrenheit 2,900 $0 20/20
21.5c to f 2,900 $0 14/20
what is 21 celsius in fahrenheit 2,400 $0 19/20
21 degrees celsius 1,600 $0 14/20
what is 21 degrees celsius in fahrenheit 1,300 $0 20/20

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=21.5+c+to+fahrenheit&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