Monthly Payment on a $300,000 Mortgage at 7%

$1,995.91 per month at 7%

On a $300,000 mortgage at 7% interest over 30 years, your monthly payment would be approximately $1,995.91 for principal and interest alone. Over the life of the loan, you’d pay roughly $418,527 in total interest — more than the original loan amount.

Where each dollar of your payment goes

Your $1,995.91 monthly payment covers two components that shift over time. In the first month, about $1,750 goes to interest and only $246 toward principal. By year 15, the split is roughly even. In the final years, nearly all of your payment reduces the balance.

Here’s how the numbers add up over the full 30 years:

• Total of all payments: $718,527
• Total interest paid: $418,527
• Principal repaid: $300,000

That interest-to-principal ratio is steep — you’re paying 139% of the home’s value in interest alone. This is the cost of borrowing at 7% for three decades.

Can you afford a $300K mortgage?

At today’s rates around 7%, a $300,000 mortgage is a significant commitment. To comfortably afford this payment, most lenders recommend a gross monthly income of at least $7,130 (keeping your housing costs at or below 28% of income). That translates to an annual salary of roughly $85,500.

Don’t forget to budget beyond principal and interest. Property taxes, homeowner’s insurance, and potentially PMI (if your down payment is under 20%) can add $400–$800 per month depending on your location.

How rate changes and extra payments shift the cost

• You put 20% down on a $375,000 home: Your loan amount stays $300,000, but you avoid PMI — saving $100–$200/month.
• Rates drop to 6%: Your monthly payment falls to $1,798.65, saving $197/month or $70,920 over the life of the loan.
• You choose a 15-year term: Payments jump to $2,696.48, but total interest drops to $185,367 — saving $233,160.
• You make one extra payment per year: You’d pay off the mortgage about 4–5 years early and save over $80,000 in interest.

Every fraction of a percent matters at this loan size. Use the Mortgage Payment Calculator to model your exact scenario — adjust the rate, term, down payment, and see how extra payments change the total cost.