All Calculators

A complete index of all 500+ free calculators on Calcinum, organized by category. All calculators use 2026 federal and state tax data, with no signup required.

Tax calculators

Salary & income calculators

Finance & loan calculators

State paycheck calculators

Gross-to-net for every US state with full federal + state + FICA breakdown.

State salary calculators

Annual gross to net with state-specific income tax.

State wage calculators

Hourly wage to annual gross + net take-home with state tax.

State mortgage calculators

PITI monthly payment with state-specific property tax rates and median home values.

State property tax calculators

Effective property tax rate, median annual tax, and home-value samples by state.

State sales tax pages

State + average local sales tax rates with examples for any purchase.

City paycheck calculators

Major US cities with local income tax (NYC, Philadelphia, San Francisco, etc.).

Specific salary → hourly pages

Direct landing pages for common salaries — "$X a year is how much an hour?"

Specific hourly → annual pages

Direct landing pages for common hourly rates — "$X an hour is how much per year?"

Health & fitness

Life & utility calculators

Military & government pay

Blog articles

Browse 70+ in-depth articles on tax, salary, finance, and life questions.

Visit the blog →

For machines: see our XML sitemap for a complete crawlable list.