Loan Guide
How Much Can I Borrow on a $170,000 Salary? (2026)
On a $170,000 salary, you could borrow approximately $672,396 for a home loan at 6.5% over 30 years. This estimate uses the standard 30% serviceability ratio — spending no more than 30% of your gross income on mortgage repayments.
Popular salary guides: $80k, $100k, $120k, $150k, $200k .
See your take-home pay: Tax on $170,000 salary.
Need a personalised estimate? Use the full Borrowing Power Calculator with debt and expense inputs.
Estimated borrowing power $672,396 at 6.5% over 30 years
Borrowing Power at Different Rates
How much you can borrow on $170,000 changes significantly with interest rates:
| Rate | Max Borrowing | Monthly Repayment | Total Interest |
|---|---|---|---|
| 5.5% | $748,517 | $4,250 | $781,482 |
| 6.0% | $708,864 | $4,250 | $821,135 |
| 6.5% | $672,396 | $4,250 | $857,604 |
| 7.0% | $638,807 | $4,250 | $891,193 |
| 7.5% | $607,825 | $4,250 | $922,175 |
| 8.0% | $579,205 | $4,250 | $950,795 |
What $672,396 Gets You
Monthly repayment: $4,250 This is 30% of your gross monthly income of $14,167. You'd still have $9,917 per month before tax for other expenses.
Total interest: $857,604 Over 30 years at 6.5%, you'd pay $857,604 in interest on top of the $672,396 principal.
Rate sensitivity: ±$39,653 per 0.5% Each 0.5% change in interest rate shifts your borrowing capacity by roughly $39,653.
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Frequently Asked Questions
How much can I borrow on a $170k salary?
On a $170,000 salary, using the standard 30% serviceability ratio, you could borrow approximately $672,396 at 6.5% over 30 years. Your maximum monthly repayment would be $4,250.
What mortgage can I afford on $170k?
At 6.5%, a $170,000 salary supports a mortgage of about $672,396 with monthly repayments of $4,250. If rates drop to 5.5%, your capacity increases to $748,517.
How do interest rates affect borrowing power on $170k?
Interest rates significantly impact how much you can borrow. On a $170,000 salary, borrowing power ranges from $579,205 at 8% down to $748,517 at 5.5%. Each 0.5% rate change shifts capacity by roughly $39,653.
Is the 30% rule accurate for mortgage affordability?
The 30% rule (spending no more than 30% of gross income on housing) is a common guideline but conservative. Lenders may use different ratios and also consider your existing debts, living expenses, and credit history. Use our full Borrowing Power Calculator for a more personalised estimate.
Should I borrow the maximum on $170k?
Just because you can borrow $672,396 doesn't mean you should. Consider your lifestyle, other financial goals, potential rate increases, and whether you want a buffer. Borrowing 80% of your maximum provides a safety margin for rate rises.
Need a more personalised estimate?
Our Borrowing Power Calculator factors in your existing debts, living expenses, and dependants for a more accurate estimate.
Already know your loan amount? Check repayments on $650k or use the full Mortgage Calculator.