SmartStockCalcs is a focused library of free investment and stock-market calculators for serious individual investors. We do not provide financial advice, run a brokerage, or sell anything — we publish accurate, transparent math, with the formula and data sources visible on every page.
Our Mission
To make precise investment math available to anyone with a browser. Compound interest, ROI, dividend reinvestment, options profit, bond yield — the calculations that drive long-term wealth shouldn't be hidden behind paywalls or simplified into uselessness.
What We Offer
- 10+ free calculators, every one of which works in real-time and runs entirely in your browser. No data leaves your computer.
- Transparent formulas. Every tool shows the exact equation it uses, with sources cited where data is involved.
- Long-form guides on the math and behaviour of investing — published in DB-backed Markdown so they stay editable and up to date.
- No signup, ever. No accounts, no email capture, no premium tier.
Our Standards
- Accuracy. All calculations are based on authoritative formulas (IRS, Treasury, standard finance). Bond YTM is solved iteratively; CAGR is computed exactly.
- Transparency. Calculation methods are published on each tool page.
- Privacy. See our Privacy Policy.
What We Are Not
SmartStockCalcs is not a registered investment advisor. We are not affiliated with any broker, fund, or financial institution. We do not give personalized advice. For decisions involving your specific situation — taxes, retirement, large purchases — consult a qualified professional.
Contact
For feedback, calculator requests or corrections, please use our contact form. We read every message but do not reply individually due to volume.