Loan Guide
Mortgage Repayments on $900,000 (2026)
Monthly repayments on a $900,000 home loan are $5,689 at 6.5% over 30 years. Over the life of the loan, you'll pay $1,147,900 in interest, bringing the total cost to $2,047,900.
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Monthly repayment $5,689 at 6.5% over 30 years
Repayments at Different Rates
How repayments on $900,000 change with interest rate, all at 30-year term:
| Rate | Monthly | Fortnightly | Weekly | Total Interest | Total Cost |
|---|---|---|---|---|---|
| 5.0% | $4,831 | $2,229 | $1,114 | $839,302 | $1,739,302 |
| 5.5% | $5,110 | $2,357 | $1,178 | $939,636 | $1,839,636 |
| 6.0% | $5,396 | $2,489 | $1,244 | $1,042,544 | $1,942,544 |
| 6.5% | $5,689 | $2,624 | $1,312 | $1,147,900 | $2,047,900 |
| 7.0% | $5,988 | $2,762 | $1,381 | $1,255,580 | $2,155,580 |
| 7.5% | $6,293 | $2,903 | $1,451 | $1,365,455 | $2,265,455 |
| 8.0% | $6,604 | $3,047 | $1,523 | $1,477,397 | $2,377,397 |
Repayments by Loan Term
How the term length affects your repayments and total cost on a $900,000 mortgage at 6.5%:
| Term | Monthly | Total Interest | Total Cost |
|---|---|---|---|
| 15 years | $7,840 | $511,194 | $1,411,194 |
| 20 years | $6,710 | $710,438 | $1,610,438 |
| 25 years | $6,077 | $923,059 | $1,823,059 |
| 30 years | $5,689 | $1,147,900 | $2,047,900 |
Key Facts
You'll pay 128% extra in interest On a $900,000 mortgage at 6.5% over 30 years, total interest is $1,147,900 — that's 128% on top of the principal.
Estimated salary needed: $227,560 Using the standard 30% serviceability ratio, you'd need a gross income of approximately $227,560 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 $900k mortgage?
At 6.5% over 30 years, monthly repayments on a $900,000 mortgage are $5,689. Fortnightly repayments would be $2,624.
How much interest do you pay on a $900k mortgage?
Over 30 years at 6.5%, you'd pay $1,147,900 in total interest on a $900,000 mortgage. That's 128% of the original loan amount. The total cost including principal is $2,047,900.
Can I afford a $900k mortgage?
Using the common 30% serviceability rule, you'd need a gross salary of approximately $227,560 to comfortably afford repayments of $5,689/month on a $900,000 mortgage at 6.5%. Lenders may assess at higher stress-test rates.
Is a 15 or 30 year mortgage better for $900k?
A 15-year term on $900,000 at 6.5% costs $7,840/month but saves $636,706 in interest compared to 30 years. The 30-year option has lower repayments of $5,689/month but costs $2,047,900 total.
Should I pay fortnightly on a $900k mortgage?
Paying fortnightly effectively makes 26 half-payments per year (equivalent to 13 monthly payments instead of 12). On a $900,000 mortgage, this can shave years off the loan and save tens of thousands in interest.
Need a more detailed breakdown?
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