Embed programme
Embed Smart Calculator's tools on your site.
Singapore's most-trusted free calculator widgets — CPF, income tax, IPPT, BSD, HDB affordability, BMI, currency converters, and more. One line of HTML. Always updated for the latest 2026 rates. Zero tracking scripts to configure.
Used by HR portals, accounting firms, property agents, personal finance bloggers, and Singapore editorial teams who are tired of maintaining their own calculators.
Why embed our widgets
Always updated rates
We track every CPF, IRAS, HDB, MINDEF, and MOM rate change. When figures change, your embed updates automatically — no code changes needed on your end.
Mobile-friendly
Every widget is fully responsive. Resize the iframe to any width — 100% mobile, fixed sidebar, two-column layout — the calculator adapts cleanly.
Free forever
No subscription. No usage tier. No surprise paywall. Embed as many widgets as you want, on as many pages as you want, with no rate limits.
Available widgets (12)
Copy the iframe snippet under any widget and paste it into your HTML. Works in WordPress (HTML block), Ghost (embed card), Webflow (custom code), Wix (HTML embed), and any platform that accepts iframes.
CPF Contribution Calculator
CPFEmployee + employer CPF shares, take-home pay, and OA/SA/MA allocation. Uses 2026 rates including the $8,000 Ordinary Wage ceiling.
<iframe src="https://www.smartcalculator.sg/embed/cpf-contribution-calculator" width="100%" height="820" frameborder="0" loading="lazy" title="CPF Contribution Calculator" ></iframe>
CPF LIFE Payout Calculator
CPFMonthly lifelong CPF LIFE payouts at BRS, FRS, or ERS retirement sums. Plan vs payout estimates for ages 65 and 70.
<iframe src="https://www.smartcalculator.sg/embed/cpf-life-payout-calculator" width="100%" height="760" frameborder="0" loading="lazy" title="CPF LIFE Payout Calculator" ></iframe>
Singapore Income Tax Calculator
TaxYA2026 tax payable across all 13 brackets with personal reliefs applied. Updated annually after the Budget.
<iframe src="https://www.smartcalculator.sg/embed/income-tax-calculator" width="100%" height="780" frameborder="0" loading="lazy" title="Singapore Income Tax Calculator" ></iframe>
Singapore Salary Calculator
TaxGross-to-net salary after CPF and income tax for Singapore residents. Monthly and annual breakdowns.
<iframe src="https://www.smartcalculator.sg/embed/salary-calculator" width="100%" height="720" frameborder="0" loading="lazy" title="Singapore Salary Calculator" ></iframe>
BMI Calculator (SG / Asia-Pacific)
HealthUses HPB Singapore BMI thresholds (23.0 = overweight, not the Western 25.0). Correct for Asian body composition.
<iframe src="https://www.smartcalculator.sg/embed/bmi-calculator" width="100%" height="620" frameborder="0" loading="lazy" title="BMI Calculator (SG / Asia-Pacific)" ></iframe>
IPPT Score & Incentive Calculator
NSIPPT total points and Gold/Silver/Pass band by age group. Cash incentive estimates per SAF rates.
<iframe src="https://www.smartcalculator.sg/embed/ippt-calculator" width="100%" height="740" frameborder="0" loading="lazy" title="IPPT Score & Incentive Calculator" ></iframe>
Buyer Stamp Duty Calculator
HousingBSD across all property price tiers (1%, 2%, 3%, 4%, 5%, 6%) for residential and non-residential.
<iframe src="https://www.smartcalculator.sg/embed/bsd-calculator" width="100%" height="640" frameborder="0" loading="lazy" title="Buyer Stamp Duty Calculator" ></iframe>
HDB Affordability Calculator
HousingMaximum BTO or resale flat price you can afford by household income, age, downpayment, and MSR/TDSR limits.
<iframe src="https://www.smartcalculator.sg/embed/hdb-affordability-calculator" width="100%" height="820" frameborder="0" loading="lazy" title="HDB Affordability Calculator" ></iframe>
Compound Interest Calculator (SGD)
FinanceCompound growth in SGD with preset rates for CPF OA (2.5%), CPF SA (4%), SSB, T-bills, and SGS bonds.
<iframe src="https://www.smartcalculator.sg/embed/compound-interest-calculator" width="100%" height="720" frameborder="0" loading="lazy" title="Compound Interest Calculator (SGD)" ></iframe>
SGD → MYR Currency Converter
FinanceLive mid-market SGD/MYR rate sourced from the European Central Bank. Updates daily, 14-currency picker.
<iframe src="https://www.smartcalculator.sg/embed/sgd-to-myr-converter" width="100%" height="380" frameborder="0" loading="lazy" title="SGD → MYR Currency Converter" ></iframe>
SGD → USD Currency Converter
FinanceLive mid-market SGD/USD rate sourced from the European Central Bank. Updates daily.
<iframe src="https://www.smartcalculator.sg/embed/sgd-to-usd-converter" width="100%" height="380" frameborder="0" loading="lazy" title="SGD → USD Currency Converter" ></iframe>
SGD → IDR Currency Converter
FinanceLive mid-market SGD/IDR rate sourced from the European Central Bank. Updates daily.
<iframe src="https://www.smartcalculator.sg/embed/sgd-to-idr-converter" width="100%" height="380" frameborder="0" loading="lazy" title="SGD → IDR Currency Converter" ></iframe>
Customisation options
check_circleWhat you can change
- ·Width — set to 100% or any fixed pixel value to fit your layout
- ·Height — adjust to your container. Suggested heights are listed per widget above
- ·Surrounding context — add your own intro, related content, and CTAs around the iframe
- ·Title attribute — customise for accessibility
cancelWhat you can't change
- ·Branding removal— the "Powered by Smart Calculator" footer must remain visible
- ·Calculator logic — rates and formulas are maintained by us, not editable per-embed
- ·Scraping output— don't scrape results to republish as your own figures
- ·Paywalled wrapping— don't place the iframe behind a paid or gated flow without contacting us
Terms (short version)
- check_circleFree for personal blogs and news sites. No registration, no API key, no usage limits.
- check_circleCommercial use is welcomebut please email us so we know who's using the widgets — useful if we ever need to coordinate a major rate change or migration.
- check_circleAttribution required.The "Powered by Smart Calculator" footer must remain visible. Don't hide it with CSS or wrap the iframe to obscure it.
- check_circleWe reserve the right to update. Calculators evolve as Singapore rates change — that's the value proposition. We'll never break a widget without notice via this page.
- cancelNo scraping or rate republishing. Don't extract our calculator output and publish it as your own figures or rate tables.
Want a calculator that isn't listed?
Email us with your use case — if it fits our Singapore scope, we'll typically ship an embeddable version within a week. We also welcome custom partnerships for high-traffic sites and accounting firms.
partnerships@smartcalculator.sgOr visit our /embed page for the original launch widgets.