Loan Guide
How Much Can I Borrow on a $300,000 Salary? (2026)
On a $300,000 salary, you could borrow approximately $1,186,581 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 $300,000 salary.
Need a personalised estimate? Use the full Borrowing Power Calculator with debt and expense inputs.
Estimated borrowing power $1,186,581 at 6.5% over 30 years
Borrowing Power at Different Rates
How much you can borrow on $300,000 changes significantly with interest rates:
| Rate | Max Borrowing | Monthly Repayment | Total Interest |
|---|---|---|---|
| 5.5% | $1,320,913 | $7,500 | $1,379,087 |
| 6.0% | $1,250,937 | $7,500 | $1,449,063 |
| 6.5% | $1,186,581 | $7,500 | $1,513,419 |
| 7.0% | $1,127,307 | $7,500 | $1,572,694 |
| 7.5% | $1,072,632 | $7,500 | $1,627,367 |
| 8.0% | $1,022,126 | $7,500 | $1,677,873 |
What $1,186,581 Gets You
Monthly repayment: $7,500 This is 30% of your gross monthly income of $25,000. You'd still have $17,500 per month before tax for other expenses.
Total interest: $1,513,419 Over 30 years at 6.5%, you'd pay $1,513,419 in interest on top of the $1,186,581 principal.
Rate sensitivity: ±$69,976 per 0.5% Each 0.5% change in interest rate shifts your borrowing capacity by roughly $69,976.
Compare Nearby Salaries
| Salary | Max Borrowing | Monthly Repayment |
|---|---|---|
| $290,000 | $1,147,028 | $7,250 |
| $300,000 | $1,186,581 | $7,500 |
Frequently Asked Questions
How much can I borrow on a $300k salary?
On a $300,000 salary, using the standard 30% serviceability ratio, you could borrow approximately $1,186,581 at 6.5% over 30 years. Your maximum monthly repayment would be $7,500.
What mortgage can I afford on $300k?
At 6.5%, a $300,000 salary supports a mortgage of about $1,186,581 with monthly repayments of $7,500. If rates drop to 5.5%, your capacity increases to $1,320,913.
How do interest rates affect borrowing power on $300k?
Interest rates significantly impact how much you can borrow. On a $300,000 salary, borrowing power ranges from $1,022,126 at 8% down to $1,320,913 at 5.5%. Each 0.5% rate change shifts capacity by roughly $69,976.
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 $300k?
Just because you can borrow $1,186,581 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 $1.2M or use the full Mortgage Calculator.