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keyword

underpayment tax penalty calculator

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

$ curl "https://app.seodata.dev/v1/keyword?q=underpayment+tax+penalty+calculator&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $1.68 | | competition | 0.03 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
underpayment penalty 6,600 $0 16/20
underpayment tax penalty 4,400 $0.99 19/20
irs penalty calculator 2,400 $4.25 16/20
estimated tax underpayment penalty 1,600 $0 16/20
how much is the penalty for not paying estimated taxes 1,600 $8.25 16/20
tax underpayment penalty calculator 1,300 $1.68 20/20
tax penalty calculator 1,300 $3.24 19/20
tax penalty underpayment calculator 1,300 $9.32 17/20
tax penalty calculator for underpayment 1,300 $1.68 16/20
tax penalty for underpayment calculator 1,300 $9.32 16/20

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=underpayment+tax+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