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BSD & ABSD Stamp Duty

Calculate IRAS Buyer Stamp Duty (BSD), Additional Buyer Stamp Duty (ABSD) for SC, PR & Foreigners, and monthly HDB or condo mortgage payments.

Calculate Singapore Buyer’s Stamp Duty (BSD), ABSD & Monthly Mortgage

Purchasing an HDB flat, Executive Condominium, or private condo in Singapore requires paying IRAS Buyer’s Stamp Duty (BSD) and—depending on citizenship and property count—Additional Buyer’s Stamp Duty (ABSD). This calculator computes your exact progressive BSD, ABSD, downpayment outlay, and monthly mortgage installment.

Step-by-Step Instructions: How to Use BSD & ABSD Stamp Duty

  1. Enter the property purchase price in SGD.
  2. Select your residency profile (Singapore Citizen, PR, or Foreigner) and whether this is your 1st, 2nd, or 3rd+ residential property.
  3. Adjust downpayment percentage, interest rate, and loan tenure to see your upfront cash/CPF outlay and monthly mortgage repayment.

Practical Use Cases & Applications

  • Calculating exact IRAS BSD and ABSD payable within 14 days of signing an Option to Purchase (OTP).
  • Comparing upfront cash/CPF required for an HDB resale flat versus a private condominium.
  • Estimating monthly bank loan or HDB loan repayments at different interest rates.

100% Client-Side Privacy & Browser Architecture

Unlike traditional cloud converters that upload your private documents or inputs to remote servers, Kova Core executes BSD & ABSD Stamp Duty locally inside your browser tab using modern JavaScript, HTML5 Canvas, Web Crypto, and WebAssembly APIs. Your files and sensitive data never leave your device, ensuring instant zero-latency processing and strict compliance with Singapore PDPA and GDPR data protection standards.

Frequently Asked Questions (BSD & ABSD Stamp Duty)

Is the BSD & ABSD Stamp Duty on Kova Core completely free to use?

Yes. BSD & ABSD Stamp Duty is 100% free to use in your browser with no sign-up, no watermarks, and no software installation required.

Are my files or inputs uploaded to a server when I use BSD & ABSD Stamp Duty?

No. BSD & ABSD Stamp Duty runs client-side inside your web browser using JavaScript and Web APIs. Your files and data remain on your own device for complete PDPA and GDPR privacy.

How do I use BSD & ABSD Stamp Duty step by step?

Enter the property purchase price in SGD. Select your residency profile (Singapore Citizen, PR, or Foreigner) and whether this is your 1st, 2nd, or 3rd+ residential property. Adjust downpayment percentage, interest rate, and loan tenure to see your upfront cash/CPF outlay and monthly mortgage repayment.

Does BSD & ABSD Stamp Duty work on mobile phones as well as desktop computers?

Yes. Every utility in our Math & Finance suite is responsive and works on iPhone, Android, iPad, Mac, Windows, and Linux browsers.

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