Free Embeddable Financial Calculator Widgets

Add powerful financial calculators to your website in 30 seconds. Copy the embed code, paste into your HTML, done. No API key, no sign-up, completely free.

✅ No sign-up required📱 Mobile responsive🎨 Matches your site style⚡ Lightweight iframe

Available Widgets (12)

Compound Interest

📈

Calculate compound interest with regular contributions, variable rates, and detailed growth charts.

Investment

Investment Return

📊

Calculate total investment return including CAGR, absolute return, and annualized performance.

Investment

Retirement Planning

🏖️

Plan your retirement savings with projections, withdrawal strategies, and goal tracking.

Retirement

Tax Calculator

📋

Estimate your income tax liability with marginal rate brackets and deductions.

Tax

Loan Calculator

🏦

Calculate monthly payments, total interest, and amortization schedule for any loan.

Loan

Mortgage Calculator

🏠

Estimate monthly mortgage payments including principal, interest, taxes, and insurance.

Mortgage

ROI Calculator

📈

Calculate return on investment with cost basis, gains, and annualized returns.

Business

Budget Planner

📒

Create and analyze a personal budget with income, expenses, and savings goals.

Personal

Net Worth Calculator

💎

Track your net worth by adding assets and liabilities with real-time totals.

Personal

Savings Goal

🎯

Plan your savings goals with monthly contributions and time-to-target projections.

Personal

Auto Loan Calculator

🚗

Calculate monthly payments, total interest, and total cost for car loans with various terms.

Loan

Debt Payoff Calculator

💪

Calculate how long it will take to pay off debt with various monthly payment strategies.

Loan

How to Embed a Calculator

1️⃣

Pick a Calculator

Choose from 12 popular financial calculators — mortgages, investing, retirement, debt, and more.

2️⃣

Copy the Code

Click "Copy Embed Code" on any widget card. The iframe code is automatically copied to your clipboard.

3️⃣

Paste & Publish

Paste into your blog post, WordPress page, or any HTML. The calculator works instantly — no backend needed.

<!-- Example: Add this to your HTML -->
<iframe
  src="https://www.qfinhub.com/widgets/embed/mortgage-calculator"
  width="100%"
  height="600"
  frameborder="0"
  title="Free Mortgage Calculator"
  style="border: 1px solid #e4e4e7; border-radius: 12px;"
></iframe>

Who Uses These Widgets?

Finance Bloggers

Add interactive mortgage and investing calculators to finance blog posts for higher engagement.

Real Estate Agents

Embed mortgage affordability and refinance calculators on property listing pages.

WordPress Sites

Paste into any WordPress page or post. Works with Gutenberg, Elementor, and classic editor.

Financial Advisors

Add retirement, savings, and net worth calculators to client-facing websites.

Frequently Asked Questions

Is it really free?
Yes, completely free. No API keys, no sign-ups, no hidden costs. Just copy and paste the embed code.
Does it work on mobile?
Yes, all widgets are fully responsive and work on phones, tablets, and desktops.
Can I customize the appearance?
You can adjust the iframe width and height. The calculator uses a clean, neutral design that fits most sites.
Will it slow down my site?
No. The iframe loads asynchronously and doesn't block your page rendering. It's a lightweight component without heavy dependencies.
Do you get my users' data?
No. All calculations happen in the browser. QFINHUB does not collect, store, or track any data entered into embedded calculators.