Finance
DTI Calculator
Calculate a basic debt-to-income ratio using annual income, annual mortgage principal and interest, and annual interest on other debt.
How to use
Enter the values requested above. Calculate a basic debt-to-income ratio using annual income, annual mortgage principal and interest, and annual interest on other debt. The result is calculated in your browser.
Formula
Basic DTI (%) = (annual mortgage principal and interest + annual interest on other debt) ÷ annual income × 100.
Example
With annual income of KRW 50 million and included annual debt payments of KRW 11 million, what is DTI?
The basic DTI is 22%. Financial institution rules are not applied.
Frequently asked questions
- Does this include every debt payment?
- This basic formula includes the mortgage principal and interest plus interest on other debt, as entered. Lender definitions can differ.
- Are my entries stored?
- No. The calculation runs in your browser, and this page does not save the values you enter.