$1,000,000 Mortgage at 8%
See exactly what you'll pay on a $1,000,000 home loan at 8% interest. Monthly, fortnightly, and weekly repayments with total interest and savings tips.
Last verified: 5 May 2026Monthly repayments on a $1,000,000 mortgage at 8% over 30 years: $7,337.65
Monthly
$7,337.65
Fortnightly
$3,386.61
Weekly
$1,693.30
Total cost over 30 years
$2,641,552
Principal $1,000,000 + Interest $1,641,552
Total interest paid
$1,641,552
164% of the loan amount
25-Year vs 30-Year Term
| 25 years | 30 years | Difference | |
|---|---|---|---|
| Monthly repayment | $7,718.16 | $7,337.65 | +$380.52/mo |
| Total interest | $1,315,449 | $1,641,552 | Save $326,104 |
| Total repaid | $2,315,449 | $2,641,552 | Save $326,104 |
What If Rates Change?
| Rate | Monthly | Fortnightly | vs current |
|---|---|---|---|
| 7.5% | $6,992.15 | $3,227.14 | -$345.50/mo |
| 8%(current) | $7,337.65 | $3,386.61 | — |
| 8.5% | $7,689.13 | $3,548.83 | +$351.49/mo |
| 9% | $8,046.23 | $3,713.64 | +$708.58/mo |
| 9.5% | $8,408.54 | $3,880.87 | +$1,070.90/mo |
Income Needed
You'd need a household income of approximately $293,506/year ($24,459/month) to comfortably afford this mortgage using the 30% rule — where no more than 30% of your gross income goes toward housing costs.
Extra Repayment Impact
Paying an extra $100/week on your $1,000,000 mortgage:
- Saves $365,424 in interest
- Pays off your loan 5.6 years sooner
Fortnightly vs Monthly Trick
Paying $3,668.82 fortnightly (half the monthly repayment) instead of $7,337.65 monthly means you make 26 half-payments per year — equivalent to 13 monthly payments instead of 12.
- Interest saved: $462,984
- Time saved: 7.2 years
Frequently Asked Questions
How much are repayments on a $1,000,000 mortgage?
At 8% over 30 years, monthly repayments on a $1,000,000 mortgage are $7,337.65. Fortnightly repayments are $3,386.61 and weekly repayments are $1,693.30.
What income do I need for a $1,000,000 mortgage?
Using the 30% rule (no more than 30% of gross income on housing), you would need a household income of approximately $293,506 per year to comfortably afford a $1,000,000 mortgage at 8%.
How much interest will I pay on $1,000,000 over 30 years?
At 8%, the total interest on a $1,000,000 mortgage over 30 years is $1,641,552. The total amount repaid would be $2,641,552.
What if interest rates rise above 8%?
If rates rise by 1% to 9%, monthly repayments on a $1,000,000 mortgage increase to $8,046.23 — an extra $708.58 per month.
Other Mortgage Amounts
Other Interest Rates
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General information and estimates only — not financial, tax, or legal advice. Always verify with a licensed adviser or the ATO.