Loan Guide
Mortgage Repayments on $500,000 (2026)
Monthly repayments on a $500,000 home loan are $3,160 at 6.5% over 30 years. Over the life of the loan, you'll pay $637,722 in interest, bringing the total cost to $1,137,722.
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Monthly repayment $3,160 at 6.5% over 30 years
Repayments at Different Rates
How repayments on $500,000 change with interest rate, all at 30-year term:
| Rate | Monthly | Fortnightly | Weekly | Total Interest | Total Cost |
|---|---|---|---|---|---|
| 5.0% | $2,684 | $1,238 | $619 | $466,279 | $966,279 |
| 5.5% | $2,839 | $1,310 | $655 | $522,020 | $1,022,020 |
| 6.0% | $2,998 | $1,383 | $691 | $579,191 | $1,079,191 |
| 6.5% | $3,160 | $1,458 | $729 | $637,722 | $1,137,722 |
| 7.0% | $3,327 | $1,535 | $767 | $697,544 | $1,197,544 |
| 7.5% | $3,496 | $1,613 | $806 | $758,586 | $1,258,586 |
| 8.0% | $3,669 | $1,693 | $846 | $820,776 | $1,320,776 |
Repayments by Loan Term
How the term length affects your repayments and total cost on a $500,000 mortgage at 6.5%:
| Term | Monthly | Total Interest | Total Cost |
|---|---|---|---|
| 15 years | $4,356 | $283,997 | $783,997 |
| 20 years | $3,728 | $394,688 | $894,688 |
| 25 years | $3,376 | $512,811 | $1,012,811 |
| 30 years | $3,160 | $637,722 | $1,137,722 |
Key Facts
You'll pay 128% extra in interest On a $500,000 mortgage at 6.5% over 30 years, total interest is $637,722 — that's 128% on top of the principal.
Estimated salary needed: $126,400 Using the standard 30% serviceability ratio, you'd need a gross income of approximately $126,400 per year to service this mortgage.
Fortnightly payments save interest Switching to fortnightly payments means 26 half-payments per year (equivalent to 13 monthly payments), which reduces total interest and shortens the loan.
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Frequently Asked Questions
How much are repayments on a $500k mortgage?
At 6.5% over 30 years, monthly repayments on a $500,000 mortgage are $3,160. Fortnightly repayments would be $1,458.
How much interest do you pay on a $500k mortgage?
Over 30 years at 6.5%, you'd pay $637,722 in total interest on a $500,000 mortgage. That's 128% of the original loan amount. The total cost including principal is $1,137,722.
Can I afford a $500k mortgage?
Using the common 30% serviceability rule, you'd need a gross salary of approximately $126,400 to comfortably afford repayments of $3,160/month on a $500,000 mortgage at 6.5%. Lenders may assess at higher stress-test rates.
Is a 15 or 30 year mortgage better for $500k?
A 15-year term on $500,000 at 6.5% costs $4,356/month but saves $353,725 in interest compared to 30 years. The 30-year option has lower repayments of $3,160/month but costs $1,137,722 total.
Should I pay fortnightly on a $500k mortgage?
Paying fortnightly effectively makes 26 half-payments per year (equivalent to 13 monthly payments instead of 12). On a $500,000 mortgage, this can shave years off the loan and save tens of thousands in interest.
Need a more detailed breakdown?
Our Mortgage Calculator lets you model stress tests, offset accounts, extra repayments, and compare refinancing scenarios.
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