Student Loan Refinance Calculator

๐ŸŽ“ Finance & Money

Student Loan Refinance Calculator

See your new payment and savings โ€” and a clear warning if refinancing would cost you federal protections you can't get back.

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Student Loan Refinance Calculator

Tell us your loan type first โ€” refinancing federal loans into a private loan is permanent and can't be undone.

Please enter your current balance, both interest rates, and both terms.
Monthly Payment Change
$0
Current Payment
$0
New Payment
$0
Current Total Interest
$0
New Total Interest
$0
Quick facts: Per the CFPB, refinancing federal loans into a private loan is irreversible โ€” you cannot convert them back to federal loans afterward, even if forgiveness programs expand later.
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Should You Refinance Your Student Loans?

Refinancing replaces your existing loan with a new private loan, ideally at a lower rate. The math is simple for private loans โ€” if the new rate is lower, you generally save money. For federal loans, the math is only half the picture: refinancing permanently converts them into a private loan, forfeiting protections that don't have a private-market equivalent.

What You Permanently Lose Refinancing Federal Loans

โš ๏ธ These cannot be recovered once refinanced
  • Income-Driven Repayment plans (payments capped as a % of income, sometimes $0)
  • Public Service Loan Forgiveness (PSLF) eligibility and any progress toward it
  • IDR forgiveness after 20โ€“25 years of qualifying payments
  • Federal deferment, forbearance, and disability/death discharge options
  • The Servicemembers Civil Relief Act 6% interest rate cap, for active-duty military

Per the CFPB, this conversion is one-way โ€” there is no path back to federal status once refinanced, even if program rules or relief options change in the future.

How the Math Works

Monthly Payment = Balance ร— r / (1 โˆ’ (1 + r)^โˆ’n)
r = monthly rate, n = number of months

The calculator compares your current payment and total interest against the new refinanced terms, so you can see the pure financial trade-off โ€” separate from the federal-protection trade-off, which it can't quantify in dollars.

How to Use This Calculator

Select whether your current loan is federal or private first โ€” if federal, you'll see exactly what you'd be giving up regardless of how good the new rate looks. Then enter your current balance, rate, and remaining term, plus the new rate and term you've been quoted.

When Refinancing Federal Loans Might Still Make Sense

  • You're not pursuing PSLF or Teacher Loan Forgiveness and have no plans to
  • You have stable, well-above-median income with little risk of needing IDR
  • You have a fully funded emergency reserve covering 6+ months of payments
  • The rate reduction produces clear, documented savings even under a conservative timeline

When It's Risky

If you hold Parent PLUS loans, are enrolled in or approaching eligibility for any federal forgiveness program, or have variable/seasonal income, refinancing federal loans carries meaningfully higher risk โ€” the safety net you'd be giving up exists specifically for situations like income disruption.

๐Ÿ’ก If you only want a lower rate without losing federal benefits, look into a Direct Consolidation Loan instead โ€” it keeps your loans federal while combining them into one payment, though the rate becomes a weighted average rather than a true reduction.

Refinancing Private Student Loans

If your loans are already private, refinancing carries none of the federal trade-offs above โ€” it's a more straightforward decision based purely on whether the new rate and term beat your current terms.

Where This Fits Your Bigger Picture

Compare your post-refinance payment against your budget using our net income calculator, or weigh it against other debt using our debt avalanche calculator if you're prioritizing across multiple balances.

Frequently Asked Questions

Can I refinance federal loans back to federal status later?
No โ€” once refinanced into a private loan, the conversion is permanent. There is no way to convert a refinanced loan back to federal status.
Does refinancing affect my credit score?
Applying typically involves a hard credit inquiry, causing a small temporary dip. Most lenders offer rate pre-qualification with only a soft credit check first.
What's the difference between refinancing and consolidating federal loans?
A Direct Consolidation Loan keeps your loans federal and combines them at a weighted-average rate. Refinancing replaces them with a new private loan, potentially at a genuinely lower rate, but loses federal protections.
Will I lose Public Service Loan Forgiveness progress if I refinance?
Yes โ€” any qualifying payments already made toward PSLF are forfeited with no partial credit once the underlying federal loan is refinanced.
Can I refinance only some of my loans?
Many lenders allow you to select specific loans to refinance, leaving others (like ones you want to keep federal for IDR or PSLF) untouched.
Do I need a cosigner to refinance?
Not necessarily โ€” borrowers with strong credit and income can often refinance alone. A cosigner with strong credit can help secure a better rate if needed.
What happens to active-duty military interest rate protections if I refinance?
The Servicemembers Civil Relief Act's 6% interest rate cap on pre-service federal and private loans does not carry over to a newly refinanced private loan.
Is it ever worth refinancing federal loans?
It can be, for borrowers with stable high income, no intention of pursuing forgiveness programs, and a solid emergency fund โ€” but it's a permanent decision that should be made carefully.
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