Loan Affordability Calculator
Explore an illustrative borrowing amount using your income, existing monthly debt and a repayment percentage you choose.
Affordability assumptions
How the estimate works
The calculator starts with the gross monthly income you enter, applies your chosen repayment percentage, subtracts existing monthly debt and converts the resulting payment into an estimated principal using the selected rate and term.
Why this is only an estimate
Lenders use product-specific affordability, income, expense, credit and policy checks. Their result may be materially different. ToolZeroo does not present this result as a loan approval, borrowing recommendation or lender decision.
Your repayment percentage is an explicit user assumption so the calculator does not hide an invented lender rule.
Frequently asked questions
What does the affordability result mean?
It is an illustrative borrowing amount based on the income, debt, repayment percentage, rate and term that you enter.
Does every lender use the same affordability rule?
No. Lenders can apply their own income, expense, credit and policy assessments.
Can I use household income?
Yes, where appropriate for your planning scenario, but the actual lender assessment depends on its rules and the applicants involved.