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Real data, personalized to your state. Built on government sources and industry reports — not estimates from AI.
Popular calculators
How Much Does Divorce Cost in Texas (2026)
Texas divorce costs $3,000-$30,000+. Community property state with a mandatory 60-day waiting period. Estimate your filing fees, attorney hours, and mediation.
Money & FinanceCapital Gains Tax Calculator — How Much Tax Will You Owe? (2026)
Free capital gains tax calculator. Enter your sale, income, and state to estimate federal, state, and NIIT on short-term and long-term gains.
Legal & LawChild Custody Cost Calculator (2026)
Child custody cost calculator estimates filing fees, attorney costs, parenting classes, evaluator fees, and GAL costs for custody cases.
Money & FinanceCompound Interest Calculator — Watch Your Money Grow (2026)
Free compound interest calculator. See how your savings grow over time with monthly contributions and compound interest over 5 to 30 years.
Home & PropertyHVAC Replacement Cost Calculator (2026)
HVAC replacement cost calculator estimates labor, equipment, climate load, energy code, permits, ductwork, and efficiency using official source data.
Home & PropertyRoof Replacement Cost Calculator (2026)
Roof replacement cost calculator estimates labor, shingle materials, tear-off, pitch, permit, and climate factors using BLS, FRED, NOAA, and local code data.
Browse by category
Every calculator uses real, sourced data — not estimates from AI.
Legal & Law
Custody, Dui, Divorce — 152 free calculators with real data.
3 topics: Custody, Dui, Divorce
Home & Property
Hvac, Roofing, Paint — 103 free calculators with real data.
3 topics: Hvac, Roofing, Paint
Health & Medical
Hip Replacement — 1 free calculator with real data.
1 topic: Hip Replacement
Money & Finance
Taxes, Retirement, Savings + 1 more — 111 free calculators.
4 topics: Taxes, Retirement, Savings + 1 more
Work & Business
Llc Business Formation — 51 free calculators with real data.
1 topic: Llc Business Formation
Life & Education
College Tuition — 51 free calculators with real data.
1 topic: College Tuition
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Frequently asked questions
Are PennyCheck calculators really free?
Yes — every calculator is 100% free, with no signup, no email, and no hidden fees. PennyCheck is supported by advertising and affiliate partnerships, not user charges.
Where does PennyCheck get its data?
Every number comes from government databases, industry surveys, and official rate publications. Sources include state court filings, the Bureau of Labor Statistics, CMS Medicare data, and professional association rate surveys. Every source is cited with a link and verification date.
How accurate are the estimates?
PennyCheck provides data-backed ranges, not single-point guesses. Each calculator shows a low, middle, and high estimate based on real data for your state and situation. The ranges reflect actual market variation — your final cost depends on your specific circumstances.
Do I need to create an account?
No. PennyCheck never requires an account, login, or email address. You answer a few questions and get your estimate immediately. If you want to connect with a professional afterward, that's optional.
What states are covered?
PennyCheck currently covers 50 states across 6 categories, with 469 calculators available. Coverage expands every week as new tools are added.