Can somebody clarify how student loan interest rates work?

Let’s say the unsubsidized loan I get is at 7%, does this mean that every month 7% of my principal gets charged on top of it (which of course, would be a HUGE total I would have to pay back)? Also, if I’m approved for "Prime rate +4%," what does that mean?

The 7% is an APR, or annual percentage rate. Divide it by 12 to get the monthly rate – 0.5833%. This is what is charged on the balance. Interest accrues on the loan and is deferred while you’re in school. When you graduate, it all capitalizes, meaning it’s lumped together.

Say you took out $10,000 in loans.
You would own $10,000 at the end of year 1 plus $700 in interest.

While you’re in school, interest would be accumulation at $58.33 per month.

At the end of 4 years you’d owe $10,000 plus $2,800 in interest.

This would be added together to $12,800.

Going forward, the interest you would owe on the next payment would be $12,800 * .0058333 = $74.66.

Does that make sense?

Secondarily, Prime + x% is the Prime Rate, published by the Wall Street Journal. It’s the federal funds rate + 3%. So if you get a student loan that’s prime + 4%, it’s:

Funds rate + 3% + 4%
5.25% + 3% + 4% = 12.25%

Hope this helps!

Christopher S. Penn
Producer, the Financial Aid Podcast
Daily free financial aid internet radio, no iPod required

http://www.FinancialAidPodcast.com

FinancialAidPodcast [at] gmail [dot] com

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2 Comments.

  1. Financial Aid Podcast

    The 7% is an APR, or annual percentage rate. Divide it by 12 to get the monthly rate – 0.5833%. This is what is charged on the balance. Interest accrues on the loan and is deferred while you’re in school. When you graduate, it all capitalizes, meaning it’s lumped together.

    Say you took out $10,000 in loans.
    You would own $10,000 at the end of year 1 plus $700 in interest.

    While you’re in school, interest would be accumulation at $58.33 per month.

    At the end of 4 years you’d owe $10,000 plus $2,800 in interest.

    This would be added together to $12,800.

    Going forward, the interest you would owe on the next payment would be $12,800 * .0058333 = $74.66.

    Does that make sense?

    Secondarily, Prime + x% is the Prime Rate, published by the Wall Street Journal. It’s the federal funds rate + 3%. So if you get a student loan that’s prime + 4%, it’s:

    Funds rate + 3% + 4%
    5.25% + 3% + 4% = 12.25%

    Hope this helps!

    Christopher S. Penn
    Producer, the Financial Aid Podcast
    Daily free financial aid internet radio, no iPod required
    http://www.FinancialAidPodcast.com
    FinancialAidPodcast [at] gmail [dot] com
    References :

  2. Well with your example no that is incorrect, the 7% is a yearly amount so you only get charged 1/12 of that each month and yeah if you borrow a lot that can be a lot. As for Prime rate +4% I guess you are looking at a private educational loan as apposed to a Stafford Loan and that means what ever the Prime rate is, which is set by the government every few months (that is when you hear about interest rate rising or dropping), well the lender will add another 4% onto that rate to find your rate so it is variable. The unsubsidized refers usually to Stafford loans where subsidized means the governement will pay the interest for you while you are in school and unsub means you are responsble for interest. These loans just changed so if you got one last year you have a variable loan rate and this year the rate is fixed for the life of the loan but each loan you borrow will have a different rate.
    References :

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