keyword

how big is 1 cm

Monthly search volume and cost-per-click data for "how big is 1 cm" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=how+big+is+1+cm&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

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
1 centimeters	18,100	$0	19/20
1 cm	18,100	$0	19/20
1 centimeter	18,100	$0	18/20
how big is a cm	12,100	$0	19/20
how big is cm	12,100	$0	19/20
how big is centimeter	12,100	$0	18/20
how long is a centimeter	12,100	$0	17/20
how large is 1 cm	6,600	$0	20/20
how long is 1 cm	6,600	$0	19/20
one centimeter	1,900	$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=how+big+is+1+cm&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