FinCalc Hub

15 Free Personal Finance Calculators. No signup. No tracking. 100% in your browser.

Every tool runs entirely client-side. Your numbers never leave this page. Built for people who want a second opinion before making a money decision — not a financial product being sold to you.

No accounts No analytics cookies Open methodology Mobile-first
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How these tools differ from the standard "calculator" on every other site

Built for "what if", not just "what is"

Most calculators answer one number. Ours let you flip a side condition — prepay the loan, switch the cost-basis method, change the tax bracket — and see the result change in real time.

Visual output, not a single number

Every tool renders a chart or table so you can see the shape of the answer — where the interest accumulates, how the balance decays, when you cross breakeven.

Honest about limits

Each tool lists what it doesn't do, what assumptions it makes, and when you should talk to a human. We do not hide the math behind marketing copy.

All 15 tools

Click any tool to open the calculator. Each page is self-contained and works offline once loaded.

Loan Amortization

Schedule + extra-payment simulator + total-interest comparison.

Compound Interest

Inflation-adjusted real return + tax drag + contribution cadence.

Retirement Planner

Gap analysis with lifestyle tiering and social-security offset.

Crypto P&L

FIFO / LIFO / HIFO cost basis, fee modeling, short/long-term split.

Salary Converter

Hourly / monthly / annual / daily, 12 currencies, gross↔net.

ROI / ROIC

Total return with opportunity cost, hold period, annualized IRR.

Depreciation

Straight-line, double-declining, sum-of-years; tax-shield view.

Home Affordability

PITI + HOA + PMI trigger; "28/36" stress test; commute cost.

Credit Card Payoff

Avalanche vs snowball, minimum-payment trap, multi-card.

Emergency Fund

Months-of-runway sized to industry risk + dual-income haircut.

Inflation Adjustment

Past→present and present→future value, 30+ economies.

Currency Converter

Mid-market rate + bank/wire fee slippage, 12 majors.

Education Savings

Tuition-inflation projection + scholarship + in-state vs out.

Net Worth Tracker

Asset/liability breakdown, debt-to-asset, trend projection.

Budget Planner

50/30/20, zero-based, envelope — all three side by side.

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About FinCalc Hub

FinCalc Hub is a small editorial project built by people who wanted a finance calculator that didn't feel like a sales funnel. Every tool runs entirely in your browser — there is no server, no account, and nothing you type is sent anywhere.

Who it's for. People doing a quick sanity check on a money decision: should I refinance, am I saving enough, how much house can I actually afford, what does a side hustle really net after tax.

What it's not. Not a tax advisor, not a financial planner, not a substitute for a credentialed professional. The math is the math; the judgment is yours.

How we work. Tools are written from first principles with the formulas shown. Rates, brackets, and CPI data are taken from publicly published government sources and updated periodically. Sources are linked inside each tool. If a number looks wrong, it probably is — please tell us.

Privacy Policy

No personal data collection. FinCalc Hub does not require an account, does not ask for your name or email, and does not log the numbers you enter into any calculator. All calculations happen locally in your browser via JavaScript.

Cookies. We do not set first-party analytics or advertising cookies. We do not use any tracking pixels, fingerprinting, or session-recording scripts.

Google AdSense & third-party advertising. Pages on this site may display ads served by Google AdSense or other third-party ad networks. These vendors may use cookies or device identifiers to serve ads and to measure ad performance. Google, as a third-party vendor, uses cookies to serve ads on this site. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to this site and/or other sites on the Internet. You may opt out of personalized advertising by visiting Google Ads Settings. You may also opt out of certain third-party vendors' use of cookies for personalized advertising by visiting www.aboutads.info.

Server logs. Our hosting provider may record standard request metadata (IP address, user agent, referrer) for abuse prevention. This data is not used to build a profile of you and is not shared.

Disclaimer

The content and tools on FinCalc Hub are provided for general informational and educational purposes only. They do not constitute financial, tax, legal, or investment advice, and are not a substitute for consultation with a qualified professional who is aware of your full circumstances.

While we make a reasonable effort to keep tax brackets, interest rates, and inflation data current, official figures change and we cannot guarantee zero error. Always cross-check against the primary government source linked inside each tool before acting on a number.

Any projections (retirement balances, loan payoffs, investment growth) assume a steady rate or return that does not reflect market volatility, sequence-of-returns risk, regulatory change, or personal life events. Real outcomes will differ, sometimes substantially.

Affiliate links, if any, are clearly marked. Their presence never affects the math shown by a tool.

Editorial Team

FinCalc Hub is maintained by a small independent editorial team with backgrounds in personal finance, software engineering, and applied mathematics. We are not a financial institution, brokerage, or advisory firm.

How we work. Each tool is reviewed before publication. Default values are chosen to be representative, not promotional. When government data is the source, the link is shown. When a tool is a simplification of a real-world model, the limit is named in the “Methodology” section of the page.

Corrections. If you find a number that looks wrong, tell us. We log every correction with the date and source. Substantive corrections are noted in the page footer.

Contact

Bug reports, content suggestions, and correction requests are welcome. We do not provide personalized financial advice by email.

Typical response time: 3–7 business days. We do not respond to SEO, link-exchange, or guest-post pitches.