Free calculators

Run the real numbers
before you commit.

Ten calculators built on official IRAS / MAS / CPF / HDB rules — free, full results, no sign-up wall. The same maths I run before every purchase of my own.

★ Flagship — in build

Long-term Wealth Projection

See your 10–30 year net-worth curve: appreciation, rental income and loan paydown in one chart.

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Plan

★ Flagship

Long-term Wealth Projection

See your 10–30 year net-worth curve: appreciation, rental income and loan paydown in one chart.

Coming soon
★ Flagship

Asset Progression Planner

Model the signature sell-one-buy-two restructuring, end to end.

Coming soon

Check your limits

Affordability Calculator

Income, debts and age → your maximum price, loan and downpayment under MAS rules.

Coming soon

TDSR Calculator

Check your total debt against MAS's 55% limit, stress-tested.

Coming soon

MSR Calculator

The 30% mortgage-servicing cap for HDB flats and ECs — pass/fail plus headroom.

Coming soon

Count the costs

ABSD / BSD Stamp Duty

Your exact upfront duty by residency and property count, at current IRAS tiers.

Coming soon

CPF Accrued Interest

The CPF refund on sale — the hidden cost upgraders forget.

Coming soon

Decoupling / ABSD Saving

Decoupling vs a second purchase — quantify the ABSD saved and the breakeven.

Coming soon

Compare & yield

Mortgage & Refinance Comparator

Instalments, total interest, amortization and refinancing savings side by side.

Coming soon

Rental Yield & Cashflow

Gross and net yield, and true monthly cashflow after every cost.

Coming soon

All calculators are illustrative and educational only — not financial advice. Rates are validated against IRAS / MAS / CPF / HDB as of each tool's stated date and change with cooling measures. Full disclaimer.