Embed Our Calculators (Free)

Add powerful, interactive financial calculators to your website, blog, or newsletter with one-click embed codes. 100% free, no registration required.

</> Developer Friendly

Why Embed Our Calculators?

Give your visitors interactive tools that add real value. Our calculators are mobile-responsive, fast-loading, and always up-to-date.

11 Free Calculators
100% Free Forever
0 Registration Required
<1s Load Time

Perfect For

Our calculators are trusted by professionals across industries who want to add value for their audience.

Realtors & Agents

Help clients calculate mortgages, affordability, and rental ROI directly on your website

Mortgage Brokers

Offer instant mortgage calculations and refinance comparisons to capture more leads

CFPs & Financial Advisors

Empower clients with FIRE, 401(k), and retirement planning tools on your site

Finance Bloggers

Enhance your content with interactive calculators that keep readers engaged

Newsletter Creators

Link to interactive tools that complement your financial content and analysis

Real Estate Websites

Add property investment calculators to listing pages and buyer resources

Available Calculators

Click "Get Embed Code" to copy the iframe snippet for any calculator. All embeds include a small attribution link.

Mortgage Calculator

Monthly payments, amortization schedules, and extra payment analysis

Preview

Home Affordability

Calculate maximum home price based on income, debts, and down payment

Preview

Refinance Calculator

Break-even analysis and savings comparison for mortgage refinancing

Preview

Rent vs Buy

Compare the long-term financial impact of renting versus buying a home

Preview

Airbnb ROI

Calculate ROI, cash flow, and cap rate for short-term vacation rentals

Preview

Long-Term Rental ROI

Analyze cash flow and returns for traditional rental properties

Preview

Fix and Flip

Calculate profits, ROI, and MAO for house flipping investments

Preview

HELOC Calculator

Calculate available equity and payment schedules for home equity lines

Preview

FIRE Calculator

Financial Independence Retire Early projections with multiple FIRE types

Preview

401(k) Calculator

Retirement projections with 2025 IRS limits and employer match optimization

Preview

Compound Interest Calculator

Visualize investment growth with Rule of 72 and scenario comparisons

Preview

Usage Policy

What's Allowed

  • Embed on any website, blog, or web application
  • Use for commercial or non-commercial purposes
  • Customize iframe dimensions to fit your layout
  • Share embed links in newsletters and social media
  • No registration, no API key, no usage limits

One Simple Requirement

Please keep the "Powered by SimpleFinanceCalculators.com" attribution link visible. This small link helps us continue offering these tools for free and lets others discover our calculators.

Need More Integration?

For deeper integrations, we also offer a free REST API with JSON responses.

View API Documentation

Questions about embedding or integrations?

Contact Us →
Try the Calculators
Explore all 11 free financial calculators
Financial Playbooks
Step-by-step guides & strategies