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$300,000 Mortgage at 5% for 30 Years

Monthly payment breakdown for a fixed-rate 30-year home loan.

Monthly Payment

$1,610

Principal: $300,000 · Rate: 5%

Item Amount
Loan Principal $300,000
Total Interest (30 years) $279,767
Total Paid $579,767

Amortization Schedule (Yearly Summary)

How your payments are split between principal and interest each year.

Year Principal Paid Interest Paid Remaining Balance
1 $4,426 $14,899 $295,574
2 $4,653 $14,673 $290,921
3 $4,891 $14,435 $286,031
4 $5,141 $14,185 $280,890
5 $5,404 $13,922 $275,486
6 $5,680 $13,645 $269,806
7 $5,971 $13,355 $263,835
8 $6,276 $13,049 $257,559
9 $6,597 $12,728 $250,961
10 $6,935 $12,391 $244,026
30 $18,812 $513 $0

Rate Comparison — $300K Loan

Rate Monthly Payment Total Interest Total Paid
4.5% $1,520 $247,220 $547,220
5.5% $1,703 $313,212 $613,212
5% (current) $1,610 $279,767 $579,767

Understanding a $300K Mortgage at 5%

A $300,000 fixed-rate mortgage at 5% interest over 30 years results in a monthly payment of $1,610. Over the full loan term, you will pay $279,767 in interest — roughly 0.9× the original loan amount.

In the early years, most of your payment goes toward interest. By year 10, approximately $6,935 of your annual payments go to principal and $12,391 to interest. Over time, the balance shifts as the principal portion grows.

Frequently Asked Questions

What is the monthly payment on a $300,000 mortgage at 5%?

The monthly payment on a $300,000 mortgage at 5% interest for 30 years is $1,610. Over the life of the loan, you will pay $279,767 in interest, for a total of $579,767.

How much total interest will I pay on a $300,000 mortgage at 5%?

On a $300,000 mortgage at 5% over 30 years, you will pay $279,767 in total interest. This means you pay roughly 0.9x the original loan amount in interest alone.

How does 5% compare to other mortgage rates?

At 5% on a $300,000 30-year loan, the monthly payment is $1,610. A 0.5% rate decrease would save approximately $90/month, while a 0.5% increase would add about $93/month.

How This Is Calculated

This page uses the standard fixed-rate amortization formula to compute the monthly mortgage payment:

M = P × [r(1+r)n] / [(1+r)n − 1]

Where P = $300,000 (loan principal), r = 0.004167 (monthly interest rate = 5% ÷ 12), and n = 360 (total payments = 30 years × 12 months).

Standard amortization formula. Assumes fixed-rate loan, no PMI, taxes, or insurance.

Explore Other Rates for $300K Loan

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⚠️ Estimates only. Actual mortgage costs may include PMI, property tax, insurance, and HOA fees. Consult a lender for precise figures.