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How It Works
Choose a Calculator
Select from our library of stock and investment calculators above.
Customize
Pick a light or dark theme and set the max width to match your site layout.
Embed
Copy the embed code and paste it into any HTML page, blog post, or CMS.
Available Calculator Widgets
Average Down
Beta
Break-Even
CAGR
Dollar Cost Averaging
Discounted Cash Flow
Dividend Discount Model
Dividend Payout Ratio
Dividend Yield
DRIP
Earnings Per Share
ETF
Ex-Dividend Date
Historical What If
Index Fund
Margin Requirement
Market Cap
Mutual Fund
Options
P/B Ratio
P/E Ratio
PEG Ratio
Position Sizing
Stock Profit
P/S Ratio
REIT
Sharpe Ratio
Sortino Ratio
Stock Split
Stop Loss
Stock Tax
Value at Risk
Volatility
All 33 calculators are available as embeddable widgets. View all calculators →
Frequently Asked Questions
Is it really free to use?
Yes, completely free. All widgets include a small "Powered by StockCalculator.com" link.
Will the widget slow down my website?
No. The widget loads inside a sandboxed iframe, so it won't affect your page's CSS, JavaScript, or load performance. The resize script is under 1KB.
Does it work with WordPress, Squarespace, Wix, etc.?
Yes. The embed code is a standard HTML iframe that works on any platform that allows custom HTML — including WordPress (use a Custom HTML block), Squarespace (use a Code Block), Wix (use an Embed widget), Webflow, Ghost, Shopify, and more.
Is the widget responsive / mobile-friendly?
Yes. The calculator automatically adapts to the width of its container and reflows its layout on smaller screens. The auto-resize script adjusts the iframe height to fit the content.
Can I customize the colors beyond light/dark?
Not at this time, but we're working on additional theme options. If you have specific needs, contact us and we'll see what we can do.
Do you track users who interact with the widget?
We collect basic, anonymous usage analytics (page views within the widget) to understand which calculators are most popular. We do not track or store any personal data from widget users.
⚠️ Important Disclaimer
The calculators and information provided on this website are for educational purposes only and should not be considered financial advice. Always consult with a qualified financial advisor before making investment decisions. Past performance does not guarantee future results. Stock investing involves risk, including possible loss of principal.