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Student Loan Refinance Calculator

Savings and break-even point.

πŸ”„ Student Loan Refinance Calculator
New monthly payment
Lifetime savings

Monthly change:

How to Use

  1. Enter your current balance and current rate.
  2. Enter the years left on your current loan.
  3. Enter the new rate and new term a lender offered.
  4. Review your monthly change and lifetime savings.

Calculation Method

We amortize the same balance under your current terms and the new terms, then compare. Lifetime savings = (old monthly Γ— old months) βˆ’ (new monthly Γ— new months). A longer new term can lower the monthly payment yet increase total cost.

Examples

$40,000 from 7.5% β†’ 5.2%, 10-year

Monthly drops by roughly $90 and lifetime savings come to about $10,800.

Frequently Asked Questions

Refinancing federal loans into a private loan can lower your rate but permanently gives up federal protections like income-driven plans and forgiveness.
If there are no fees, refinancing to a lower rate saves money immediately. Always confirm there are no origination or prepayment fees.
Usually yes. Even at a lower rate, stretching the term can raise the total interest you pay over the life of the loan.

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Disclaimer

Calculations are estimates based on the information you provide. Actual loan terms, rates, and payments vary by lender, credit score, and other factors. SmartLoanCalcs is not a lender and this is not a loan offer. We are not responsible for decisions made based on these calculations β€” consider consulting a licensed lender or financial advisor.

Last updated: May 24, 2026