FinCalc is a collection of free financial calculators for the United States and India. Every tool — from the mortgage and paycheck calculators to SIP, EMI and income tax calculators — runs entirely in your browser. There are no sign-ups, no spreadsheets to download, and the numbers you type never leave your device.
Why we built this
Most financial calculators online are buried in lead-capture forms, cluttered pages, or apps that want your phone number before showing a result. We wanted the opposite: type a number, move a slider, see the answer instantly — with the formula shown so you can verify the math yourself.
How the calculators work
Each calculator uses standard, published formulas — the amortization formula for loans and mortgages, compound interest for investments, and the current year's official tax slabs and brackets for the tax tools (2025 IRS brackets for the US; FY 2025-26 new and old regimes for India). Results are cross-checked against leading reference calculators. That said, these tools provide estimates for education and planning — they are not financial, tax or legal advice. Please consult a qualified professional before making financial decisions.
How the site is funded
The site is free to use and supported by advertising served through Google AdSense. See our Privacy Policy for details on cookies and data.
Get in touch
Found a bug, spotted an outdated tax slab, or want a new calculator added? Email us at hello@morgagecalc.com — corrections are especially welcome.