Debt-to-Income Ratio Calculator

Shows what share of income goes to debt.

Result

Debt-to-income ratio
31.43%

How to use the debt-to-income ratio calculator

  1. Enter the monthly debt payments (S$).
  2. Enter the gross monthly income (S$).
  3. The results update as you type, or press Calculate.
  4. Read the debt-to-income ratio first, then the supporting figures below it.

Formula

DTI = monthly debts ÷ monthly income × 100.

Worked example

For example, with these inputs:

the calculator returns:

Background

Compounding is the reason long-term saving works: returns earn further returns, so the growth curve steepens over time. The same maths works against you with debt, which is why credit card balances at around 27% a year grow quickly if only minimum payments are made.

Interest in Singapore is quoted in several ways. Mortgages and savings accounts use effective annual rates, while car loans and many personal loans are advertised at flat rates that look much lower than their true cost. Banks must disclose the effective interest rate, and comparing on that basis gives a fair picture.

Frequently asked questions

How does the debt-to-income ratio calculator work?

It applies this formula: DTI = monthly debts ÷ monthly income × 100.

Is this financial advice?

No. It is a calculation tool. For decisions about loans or investments, compare official offer documents and consider speaking to a licensed adviser.

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