Editor's choice: Splash Financial Student Loan Refinancing
- Referral bonuses
- Risk-free rate check
- Cosigner release on general refinancing
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Lenders often offer fixed and variable interest rates on private student loans and refinancing. Simply put, fixed rates stay the same, while variable rates can increase or decrease over time. Fixed rates are generally more reliable. But variable rates can spell extra savings if market rates are low — which is usually the case during an economic downturn.
|Fixed rate||Variable rate|
|How it works||Pay the same rate over the life of your loan||Pay a rate that changes over the life of your loan based on the lending market, usually every one or three months|
|Monthly repayments||Stays the same||Changes depending on your current interest rate|
|Can I predict my loan’s total cost?||Yes||No|
|How does it compare to federal rates?||Usually higher||It can be lower if you have excellent credit and federal interest rates are low|
|Best for …||Predictable monthly repayments with minimal risk||Finding extra-low rates when the economy is in a downswing and you’re opting for a shorter term|
Fixed-rate student loans are relatively straightforward: When you apply for your loan, you qualify for one interest rate that stays the same throughout the life of your loan. You make the same fixed repayments each month and can easily calculate how much you’ll pay in interest over time.
Variable-rate student loans come with two types of interest rate: a margin rate and benchmark rate. The margin rate is a low, fixed interest rate, that your lender gives you based on your creditworthiness. Each month, your lender calculates your interest by adding your margin rate to a benchmark rate.
A benchmark rate is an interest rate that increases and decreases over time, which outside financial institutions decide based on the lending market. Common benchmark rates are the Wall Street Journal (WSJ) Prime Rate, which is based on the fed rate, and the LIBOR rate, which is based on the international lending market.
Generally, variable rates are higher when the economy is strong and lower during a downturn. And most lenders cap their variable rates at around 18% to protect borrowers from ultra-high benchmark rates.
Say you’re looking at a private student loan that advertises variable rates ranging from 1.3% to 10.88%. That rate is actually made up of a margin rate, which ranges from 1.12% to 10.70%, which the lender adds to the One-Month LIBOR rate.
In this scenario, the one-month LIBOR rate is 0.18 — but it changes every month. You’ll pay anywhere between 1.3% and 10.88% during the first month. Between June 2019 and June 2020, the LIBOR rate got as high as 2.4% and as low as just over 0.16%.
We update our data regularly, but information can change between updates. Confirm details with the provider you're interested in before making a decision.
Your choice of interest rates will depend on your specific loan — federal student loans, private student loans or refinancing your current student debt. Here’s what you might see with the typical loan options.
Federal student loans come with fixed interest rates only, so you don’t have to worry about choosing when you’re filling out the FAFSA. Variable rates on private student loans can sometimes be lower than federal rates, but they don’t always stay low.
Federal rates are the same for everyone and Congress sets them each year. Generally, federal loans are the safest, least expensive type of student debt you can take on.
Private student loans typically come with a choice of fixed or variable interest rates, though some loans offer one option only. Fixed rates are generally higher than what you’d get with federal student loans, though variable rates can sometimes offer a better deal if the WSJ Prime or LIBOR rates are low.
The main difference between private and federal interest rates is that private lenders look at your — or your cosigner’s — personal finances to determine your rate. Typically, you’ll need a credit score over 760 and a debt-to-income ratio under 20% to qualify for the lowest private rate.
Like private student loans, loans for refinancing student debt tend to come with a choice of fixed or variable interest rates. And like with private student loans, these rates are based on your personal finances, rather than set by an institution.
However, refinancing rates are typically lower than private student loan rates. If you have a credit score over 760, a six-figure job and few other debts, you might even be able to qualify for a lower rate than you have on a federal loan before the economic downturn. And if you’re in a high-paying profession like medicine or law, you might be able to qualify for additional deals.
Which rate is right for you depends on your preferences — and the state of the economy.
You might want a fixed rate if …
You might want a variable rate if …
Variable rates are generally riskier than fixed rates and certainly aren’t for everyone. But you might pay less in overall interest if you play your cards right: Stick to a shorter term, and pay attention to what the experts say about the interest rate market.
For even more details to the ins and outs of federal loans, private loans, refinancing and more – read our comprehensive guide to student loans.
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