Loan Guide
Mortgage Repayments on $800,000 (2026)
Monthly repayments on a $800,000 home loan are $5,057 at 6.5% over 30 years. Over the life of the loan, you'll pay $1,020,356 in interest, bringing the total cost to $1,820,356.
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Monthly repayment $5,057 at 6.5% over 30 years
Repayments at Different Rates
How repayments on $800,000 change with interest rate, all at 30-year term:
| Rate | Monthly | Fortnightly | Weekly | Total Interest | Total Cost |
|---|---|---|---|---|---|
| 5.0% | $4,295 | $1,981 | $990 | $746,046 | $1,546,046 |
| 5.5% | $4,542 | $2,095 | $1,048 | $835,232 | $1,635,232 |
| 6.0% | $4,796 | $2,213 | $1,106 | $926,706 | $1,726,706 |
| 6.5% | $5,057 | $2,333 | $1,166 | $1,020,356 | $1,820,356 |
| 7.0% | $5,322 | $2,455 | $1,227 | $1,116,071 | $1,916,071 |
| 7.5% | $5,594 | $2,581 | $1,290 | $1,213,738 | $2,013,738 |
| 8.0% | $5,870 | $2,708 | $1,354 | $1,313,242 | $2,113,242 |
Repayments by Loan Term
How the term length affects your repayments and total cost on a $800,000 mortgage at 6.5%:
| Term | Monthly | Total Interest | Total Cost |
|---|---|---|---|
| 15 years | $6,969 | $454,395 | $1,254,395 |
| 20 years | $5,965 | $631,500 | $1,431,500 |
| 25 years | $5,402 | $820,497 | $1,620,497 |
| 30 years | $5,057 | $1,020,356 | $1,820,356 |
Key Facts
You'll pay 128% extra in interest On a $800,000 mortgage at 6.5% over 30 years, total interest is $1,020,356 — that's 128% on top of the principal.
Estimated salary needed: $202,280 Using the standard 30% serviceability ratio, you'd need a gross income of approximately $202,280 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 $800k mortgage?
At 6.5% over 30 years, monthly repayments on a $800,000 mortgage are $5,057. Fortnightly repayments would be $2,333.
How much interest do you pay on a $800k mortgage?
Over 30 years at 6.5%, you'd pay $1,020,356 in total interest on a $800,000 mortgage. That's 128% of the original loan amount. The total cost including principal is $1,820,356.
Can I afford a $800k mortgage?
Using the common 30% serviceability rule, you'd need a gross salary of approximately $202,280 to comfortably afford repayments of $5,057/month on a $800,000 mortgage at 6.5%. Lenders may assess at higher stress-test rates.
Is a 15 or 30 year mortgage better for $800k?
A 15-year term on $800,000 at 6.5% costs $6,969/month but saves $565,961 in interest compared to 30 years. The 30-year option has lower repayments of $5,057/month but costs $1,820,356 total.
Should I pay fortnightly on a $800k mortgage?
Paying fortnightly effectively makes 26 half-payments per year (equivalent to 13 monthly payments instead of 12). On a $800,000 mortgage, this can shave years off the loan and save tens of thousands in interest.
Need a more detailed breakdown?
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