Extra payments on a $400,000 mortgage at 7%
Amortization computed month by month.
$72,858
saved by paying $100 extra a month on a $400,000 30-year mortgage at 7% (base payment $2,661)
Savings by extra payment
| Extra | Paid off in | Interest saved | Time saved |
|---|---|---|---|
| +$50/mo | 28 yr 3 mo | $39,481 | 1 yr 9 mo |
| +$100/mo | 26 yr 9 mo | $72,858 | 3 yr 3 mo |
| +$200/mo | 24 yr 3 mo | $126,617 | 5 yr 9 mo |
| +$300/mo | 22 yr 3 mo | $168,391 | 7 yr 9 mo |
| +$500/mo | 19 yr 3 mo | $229,826 | 10 yr 9 mo |
| +$1,000/mo | 14 yr 7 mo | $319,622 | 15 yr 5 mo |
Principal and interest only; baseline interest $558,036. Confirm your lender applies extra payments to principal.
FAQ
How much does $100 extra a month save on a $400,000 mortgage at 7%?
About $72,858 in interest, and the loan is paid off in 26 yr 9 mo instead of 30 years.
Is it better to invest instead?
Prepaying earns a guaranteed 7% return. Investing may earn more over long periods but with risk; many people first capture any 401(k) match and build an emergency fund.