Student Loan Refinancing: How It Works & Who Should Refinance

Student loan refinancing can save you thousands of dollars — and stop capitalization dead in its tracks. But it's not for everyone. Here's exactly how refinancing works, when it makes sense, and how to compare rates to get the best deal.

What Is Student Loan Refinancing?

Student loan refinancing means taking out a new loan from a private lender to pay off one or more existing student loans. The new loan has new terms — ideally a lower interest rate, a shorter or longer repayment period, and a single monthly payment.

When you refinance, the new lender pays off your old loans. Your old loans are closed, and you start fresh with the new lender. This is different from consolidation, which combines loans but doesn't change your interest rate.

The Refinancing & Capitalization Connection

Refinancing stops capitalization. When you refinance, any accrued interest on your original loans is paid off as part of the refinance. That interest never gets added to your principal. If you're facing an upcoming capitalization event, refinancing can eliminate it entirely.

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Refinancing vs. Consolidation: What's the Difference?

These terms are often used interchangeably, but they're very different:

Feature Refinancing Consolidation
Lender Private lender Federal (Direct Consolidation) or private
Interest Rate Can lower your rate Weighted average of existing rates (no savings)
Federal Protections ❌ Lost (if refinancing federal loans) ✅ Kept (federal consolidation only)
Capitalization Impact Stops capitalization ⚠️ Often triggers capitalization
Multiple Loans Can combine multiple loans Combines multiple federal loans
Best For Lowering rate, stopping capitalization Simplifying payments, keeping federal benefits
Important Distinction

Consolidation often triggers capitalization. When you consolidate federal loans, any unpaid interest on the underlying loans capitalizes into the new balance. Refinancing pays off the accrued interest, so it never capitalizes. If you're trying to stop capitalization, refinancing is the answer — not consolidation.

When Refinancing Makes Sense

Refinancing isn't right for everyone. Here are the conditions that make it a smart move:

Quick Math

On a $30,000 loan at 6.5% APR, refinancing to 4.5% APR saves you about $50/month and $3,000+ over 10 years. If you add the capitalized interest you prevent from accruing, your total savings could be even higher.

Best Student Loan Refinance Lenders

Here are the top lenders for student loan refinancing. Rates are updated regularly, so always check current offers.

Compare Rates in 2 Minutes — No Credit Impact

Credible lets you compare prequalified rates from multiple lenders at once — including SoFi, Earnest, Laurel Road, and more. Your credit score won't be affected by checking your rates.

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We may receive compensation if you refinance through our partner links. This does not affect our editorial recommendations.
Lender Best For Fixed Rates From Action
Credible Comparing multiple lenders Varies by lender Compare All
SoFi Large balances / high earners 4.99% APR Check Rate
Earnest Customizable payment terms 5.24% APR Check Rate
Laurel Road Medical / dental professionals 4.89% APR Check Rate
Discover No fees / strong customer service 5.49% APR Check Rate
*Rates shown are estimates as of July 2026 and may vary based on your credit profile. Always verify current rates directly with the lender.

How to Get the Best Student Loan Refinance Rate

Your refinance rate depends on several factors. Here's how to put yourself in the best position:

1. Check Your Credit Score

Lenders use your credit score as the primary indicator of risk. 650+ is the minimum for most lenders; 700+ gets you the best rates. If your score is below 650, consider a co-signer or work on building your credit before applying.

2. Consider a Co-Signer

If you don't have a strong credit history, adding a co-signer with good credit can significantly lower your rate. Many lenders allow co-signer release after a certain number of on-time payments.

3. Shop Multiple Lenders

Don't just take the first offer. Rates vary significantly between lenders. Use Credible to compare multiple lenders at once, or apply to 3–4 lenders individually and compare their offers.

4. Choose Fixed vs. Variable Rates

Fixed rates stay the same for the life of the loan. Variable rates can change over time — they start lower but can increase. Fixed rates are safer for long-term borrowers.

5. Pick the Right Term Length

Longer terms (15–20 years) mean lower monthly payments but more total interest. Shorter terms (5–10 years) mean higher monthly payments but less total interest. Choose based on your cash flow and goals.

When NOT to Refinance

Refinancing is powerful, but it comes with trade-offs. Here's when you should NOT refinance:

Refinance If

  • Your rate is 6%+ and you have good credit
  • You're facing a capitalization event
  • You have private loans (no federal protections to lose)
  • You want a single monthly payment
  • You have stable income and employment

Don't Refinance If

  • You're pursuing PSLF (you'll lose credit)
  • You need income-driven repayment protections
  • You have federal loans and value federal benefits
  • Your credit score is below 650
  • You have unstable income or job uncertainty
The One-Way Door

Once you refinance federal loans, you can't go back. You lose access to income-driven repayment, PSLF, deferment, forbearance, and discharge options. If there's any chance you'll need these protections, don't refinance. Consider the SAVE plan instead.

Is Refinancing Right for You?

Federal Loans

Refinancing federal loans = losing protections. Only do this if you're certain you won't need IDR, PSLF, or deferment.

Consider SAVE First

Private Loans

Refinancing private loans carries no risk. You can only gain — lower rate, simpler payment, stop capitalization.

Good Candidate

High Rate, Good Credit

If your rate is 6%+ and your credit is 700+, refinancing is a no-brainer. You'll save thousands with zero downside.

Strong Candidate

Compare Refinance Rates Now

See your personalized rates from top lenders in 2 minutes — without affecting your credit score. Find out how much you could save.

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Frequently Asked Questions

Does refinancing stop student loan capitalization?

Yes. When you refinance, the new lender pays off your original loan — including all accrued interest. That interest never gets added to your principal, so it never capitalizes. Refinancing before a capitalization event can save you thousands.

Can I refinance federal student loans?

Yes, but you'll lose federal protections. If you refinance federal loans with a private lender, you lose access to income-driven repayment, PSLF, deferment, forbearance, and discharge options. Only refinance federal loans if you're certain you won't need these protections.

What credit score do I need to refinance student loans?

Most lenders require a minimum credit score of 650 for approval. For the best rates, aim for 700+. If your score is below 650, consider applying with a co-signer who has strong credit.

Can I refinance if I'm still in school?

Most lenders require you to have graduated or be within 6 months of graduation. You typically need to have a degree and be employed or have a job offer to qualify.

How long does the refinancing process take?

Most refinance applications take 2–4 weeks from application to funding. The process includes credit checks, income verification, and document review. Some lenders can close in as little as 7–10 business days.

Does refinancing hurt my credit score?

Not significantly. Lenders do a hard credit check when you apply, which may lower your score by a few points temporarily. However, most borrowers' scores bounce back within 1–3 months. Shopping multiple lenders within a 2-week window counts as a single inquiry for scoring purposes.

See How Much You Could Save

Use our free Capitalized Interest Calculator to see exactly how much interest will capitalize on your loans — and how much refinancing could save you.

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