Understanding Interest Only Loan Payments

Gregory Jul 09, 2026

Ever found yourself wondering, "What is an interest only loan payment?" You're not alone. This type of loan structure can be confusing, but it's a useful financial tool when understood. Let's dive in.

Buyer Tips: What You Should Know about Interest Only Mortgages
Buyer Tips: What You Should Know about Interest Only Mortgages

An interest only loan is a type of loan where, for a specified period, you only pay the interest on the amount borrowed, rather than paying towards the principal. This can make monthly payments more affordable, especially for large loans like mortgages.

How to pay lower interest rate on your loan? Tips to lower the cost of a loan
How to pay lower interest rate on your loan? Tips to lower the cost of a loan

How Interest Only Loans Work

Interest only loans have two phases: the interest only period and the repayment period.

the 8 ways to pay less interest on a loan info sheet with text overlay
the 8 ways to pay less interest on a loan info sheet with text overlay

During the interest only period, your monthly payments are calculated based on the interest rate, not the principal amount. This means your payments are lower compared to a standard loan with equal principal and interest payments.

Interest Only Period

đŸ“ˆ Interest Rates & Loans – Navigating the Rollercoaster
đŸ“ˆ Interest Rates & Loans – Navigating the Rollercoaster

The interest only period can last for a set time, often 5 to 10 years. During this time, your loan balance remains the same because you're not paying down the principal.

For example, if you take out a $200,000 mortgage with a 5-year interest only period and an interest rate of 4%, your monthly payment would be around $833. After 5 years, your loan balance would still be $200,000.

Repayment Period

Interest rate calculator
Interest rate calculator

After the interest only period ends, the loan switches to a standard repayment plan. This means you'll start paying both interest and principal each month.

Using the previous example, after the 5-year interest only period, you'd start paying around $1,110 per month, with a significant portion going towards the principal. Your loan balance would decrease over time.

Advantages and Disadvantages of Interest Only Loans

Benefits of Consolidating Your Loans for Lower Interest and Simpler Payments
Benefits of Consolidating Your Loans for Lower Interest and Simpler Payments

Like any financial tool, interest only loans have their pros and cons.

Advantages include lower monthly payments during the interest only period, which can help with cash flow or allow you to buy a more expensive property. They can also be useful for self-employed individuals or those with variable income.

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Advantages

Lower monthly payments during the interest only period can help with cash flow or allow you to buy a more expensive property.

They can also be useful for self-employed individuals or those with variable income, as the lower payments can help manage fluctuating income.

Disadvantages

The main disadvantage is that you're not paying down the principal during the interest only period. This means you'll owe the full amount at the end of this period, and your total interest paid over the life of the loan will be higher.

Additionally, once the loan switches to a standard repayment plan, your monthly payments will increase significantly.

Understanding what an interest only loan is and how it works can help you make informed decisions about your finances. If you're considering an interest only loan, be sure to carefully consider the pros and cons, and always consult with a financial advisor.