TDSR / MSR Calculator

Find your maximum eligible monthly instalment and approximate loan quantum under TDSR (55%) and MSR (30%, HDB/EC only).

Your income & debts

Gross monthly income ($)

This is variable income (bonus/commission/rental) — apply 30% haircut

Existing monthly debt obligations ($)

Car loans, personal loans, credit card minimums, other property loans.

Stress-test interest rate (% p.a.)

Banks apply a stress-test floor (commonly around 4%) when assessing your maximum loan, even if your actual rate is lower.

Loan tenure (years)

Max instalment (MSR, HDB/EC)

Eligible income (after haircut)$0

TDSR ceiling (55%)$0

MSR ceiling (30%, HDB only)$0

Approx. max loan quantum$0

Worked example: at $6,000 gross monthly income, the MSR ceiling is $1,800/month, working out to an approximate maximum loan quantum of $341,000 at a 4% stress rate over 25 years.

TDSR vs MSR — what's the difference?

TDSR (Total Debt Servicing Ratio) caps ALL your monthly debt obligations — home loan plus car loans, personal loans, credit cards — at 55% of gross monthly income, and applies to every property loan in Singapore.

MSR (Mortgage Servicing Ratio) is a stricter, additional cap that applies only to HDB flats and Executive Condominiums: the home loan instalment alone cannot exceed 30% of gross monthly income. Because MSR only looks at the mortgage, it's usually the binding constraint for HDB buyers, even when TDSR would technically allow more.

See our full guide on TDSR and MSR Explained for more detail.

Sources: MAS, HDB. Figures researched as of July 2026 — this calculator is an estimate only. Confirm your actual eligible loan quantum with HDB or your bank, which may apply additional criteria.