Embeddable Calculator Widgets

Add CalcPad calculators to your website, blog, or documentation with a simple iframe embed. All widgets are free, require no signup, and work on any platform that supports iframes.

Why Use CalcPad Widgets?

  • Free Forever: No signup, no API keys, no usage limits
  • Lightweight: Fast loading, mobile-responsive, works everywhere
  • Customizable: Adjust width, height, and theme to match your site
  • Always Updated: We maintain the calculators, you get automatic updates
  • India-Focused: Built for Indian tax, salary, and financial calculations

EMI Calculator

Uses the standard reducing-balance EMI formula with first-year amortisation.

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<iframe src="https://calcpad.in/embed/emi-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

SIP Calculator

Compounds monthly and supports annual SIP step-up.

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<iframe src="https://calcpad.in/embed/sip-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

Income Tax Calculator

Compare old and new FY 2025-26 regimes inline.

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<iframe src="https://calcpad.in/embed/income-tax-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

Home Loan EMI Calculator

Same EMI formula with home-loan defaults and stamp-duty context.

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<iframe src="https://calcpad.in/embed/home-loan-emi-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

FD Calculator

Shows maturity value and interest earned.

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<iframe src="https://calcpad.in/embed/fd-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

PPF Calculator

Year-by-year PPF maturity projection.

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<iframe src="https://calcpad.in/embed/ppf-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

GST Calculator

Adds GST or reverses GST from an inclusive amount.

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<iframe src="https://calcpad.in/embed/gst-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

CGPA to Percentage Calculator

Supports common Indian university conversion rules.

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<iframe src="https://calcpad.in/embed/cgpa-to-percentage-calculator" width="100%" height="500" frameborder="0" style="border-radius: 12px;"></iframe>

Frequently Asked Questions

Can I use these widgets on my blog?

Yes! These widgets work on WordPress, Medium, Substack, Ghost, and any platform that supports iframe embeds.

Is it really free?

Yes, completely free with no hidden costs, no signup required, and no usage limits. We built CalcPad to help people make better financial decisions.

Do I need to credit CalcPad?

Not required, but appreciated! Each widget includes a small "Powered by CalcPad" link that helps others discover these tools.

Can I customize the appearance?

You can adjust width, height, and choose between light/dark themes using the customizer above. For deeper customization, contact us.

What if a calculator breaks or has bugs?

We actively maintain all calculators. If you find a bug, please report it via our feedback form and we'll fix it promptly.

Can I request a new calculator widget?

Yes! Use our calculator request form to suggest new calculators.