Loan Guide
Mortgage Repayments on $900,000 (2026)
Monthly repayments on a $900,000 home loan are $5,512 at 6.2% over 30 years. Over the life of the loan, you'll pay $1,084,399 in interest, bringing the total cost to $1,984,399.
Popular mortgage guides: $400k , $500k , $600k , $750k , $1M .
Need a more detailed breakdown? Use the full Mortgage Calculator with stress testing, offset accounts, and extra repayment modelling.
Monthly repayment $5,512 at 6.2% over 30 years
Total interest $1,084,399
Total cost $1,984,399
Interest / principal 120%
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 6.2%:
| Term | Monthly | Total Interest | Total Cost |
|---|---|---|---|
| 15 years | $7,692 | $484,614 | $1,384,614 |
| 20 years | $6,552 | $672,516 | $1,572,516 |
| 25 years | $5,909 | $872,772 | $1,772,772 |
| 30 years | $5,512 | $1,084,399 | $1,984,399 |
Key Facts
You'll pay 120% extra in interest On a $900,000 mortgage at 6.2% over 30 years, total interest is $1,084,399 — that's 120% on top of the principal.
Estimated salary needed: $220,480 As a budgeting illustration, this repayment is 30% of gross monthly income at approximately $220,480 per year. This is not a lender serviceability result.
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.
Compare Nearby Amounts
Frequently asked questions
How much are repayments on a $900k mortgage?
At 6.2% over 30 years, monthly repayments on a $900,000 mortgage are $5,512. Fortnightly repayments would be $2,543.
How much interest do you pay on a $900k mortgage?
Over 30 years at 6.2%, you'd pay $1,084,399 in total interest on a $900,000 mortgage. That's 120% of the original loan amount. The total cost including principal is $1,984,399.
Can I afford a $900k mortgage?
As a simple budget illustration, $5,512/month equals 30% of gross monthly income at a salary of about $220,480. This is not a lender serviceability result. A lender also assesses living expenses, debts, income and deposit, and APRA-regulated banks apply at least a 3 percentage point rate buffer.
Is a 15 or 30 year mortgage better for $900k?
A 15-year term on $900,000 at 6.2% costs $7,692/month but saves $599,785 in interest compared to 30 years. The 30-year option has lower repayments of $5,512/month but costs $1,984,399 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?
Our Mortgage Calculator lets you model stress tests, offset accounts, extra repayments, and compare refinancing scenarios.
Check your Borrowing Power or explore First Home Buyer tools.