Embed Our Calculators on Your Site
Add a fully working financial calculator to your blog, newsletter page, or client portal with a single iframe snippet. Free for any site, no API key, no tracking of your visitors — each widget links back to SmartRates so your readers can explore the full version.
- Pick a calculator below and copy its snippet.
- Paste it into your page's HTML where you want the widget.
- Adjust the
heightattribute if your theme needs more or less room.
Mortgage Points Calculator
Preview widget →Compare discount points with a no-points mortgage and find the monthly savings, upfront cost, and break-even month.
<iframe src="https://smartratesusa.com/embed/mortgage-points-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="Mortgage Points Calculator — SmartRates" loading="lazy"></iframe>HELOC vs Home Equity Loan
Preview widget →Compare a fixed home equity loan with an interest-only HELOC draw period and amortizing repayment period.
<iframe src="https://smartratesusa.com/embed/heloc-vs-home-equity-loan-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="HELOC vs Home Equity Loan — SmartRates" loading="lazy"></iframe>CD Ladder Calculator
Preview widget →Split savings into equal CD rungs and estimate maturity values, interest, and average time to maturity.
<iframe src="https://smartratesusa.com/embed/cd-ladder-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="CD Ladder Calculator — SmartRates" loading="lazy"></iframe>HYSA vs CD Calculator
Preview widget →Compare a high-yield savings account with a CD, including an early-withdrawal interest penalty.
<iframe src="https://smartratesusa.com/embed/hysa-vs-cd-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="HYSA vs CD Calculator — SmartRates" loading="lazy"></iframe>Social Security Claiming Calculator
Preview widget →Estimate age-adjusted retirement benefits and the simple lifetime break-even point for claiming early or later.
<iframe src="https://smartratesusa.com/embed/social-security-claiming-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="Social Security Claiming Calculator — SmartRates" loading="lazy"></iframe>RMD Calculator
Preview widget →Estimate a 2026 required minimum distribution using the IRS Uniform Lifetime Table.
<iframe src="https://smartratesusa.com/embed/required-minimum-distribution-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="RMD Calculator — SmartRates" loading="lazy"></iframe>Position Size Calculator
Preview widget →Calculate shares, capital required, and actual account risk from entry price, stop price, and risk limit.
<iframe src="https://smartratesusa.com/embed/position-size-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="Position Size Calculator — SmartRates" loading="lazy"></iframe>Mortgage Closing Cost Calculator
Preview widget →Estimate cash to close from down payment, lender/title charges, prepaid costs, credits, and earnest money.
<iframe src="https://smartratesusa.com/embed/mortgage-closing-cost-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="Mortgage Closing Cost Calculator — SmartRates" loading="lazy"></iframe>Student Loan Plan Comparison
Preview widget →Compare standard amortized payments with a transparent illustrative income-driven payment and payoff horizon.
<iframe src="https://smartratesusa.com/embed/student-loan-repayment-comparison-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="Student Loan Plan Comparison — SmartRates" loading="lazy"></iframe>Self-Employment Tax Calculator
Preview widget →Estimate 2026 Social Security and Medicare self-employment tax, the deductible half, and quarterly reserve.
<iframe src="https://smartratesusa.com/embed/self-employment-tax-calculator" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" title="Self-Employment Tax Calculator — SmartRates" loading="lazy"></iframe>Terms: widgets are provided as-is for informational use and may not be presented as financial advice. Please keep the "Powered by SmartRates" attribution link intact. Questions or a calculator you'd like added? Contact us.