keyword

tax and penalty calculator

Monthly search volume and cost-per-click data for "tax and penalty calculator" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=tax+and+penalty+calculator&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $5.38 | | competition | 0.02 | | country | US | | updated | 2026-08-29 | +--------------+------------------+

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
irs interest and penalties calculator	3,600	$2.59	13/20
penalties and interest calculator irs	3,600	$2.79	11/20
irs penalty calculator	2,400	$3.53	16/20
penalty rates calculator	2,400	$3.44	11/20
tax penalties calculator	1,600	$5.38	16/20
penalty tax calculator	1,600	$5.38	13/20
calculate irs penalty and interest	1,600	$11.86	11/20
tax penalty calculator	1,300	$3.24	20/20
irs penalties and interest calculator	1,300	$2.56	16/20
underpayment tax penalty calculator	1,300	$9.32	12/20

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=tax+and+penalty+calculator&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