Student Loan Refinance Calculator
Compare the payment and total scheduled cost of existing loans with a refinance offer.
Verify this calculatorMaintained
See what the result uses—and what it cannot know.
Sumvoro calculates deterministically from the visible inputs. It does not invent lender terms, local rules, market values, medical facts, or professional judgments.
- 1 · InputsCheck every entered value against the latest statement, quote, measurement, or official source.
- 2 · Formula
Savings equals remaining old-loan cost minus total cost of the new loan including fees. - 3 · SensitivityUse Insights to run a lower and higher case. If the conclusion changes easily, collect better information or leave more margin.
- 4 · ScopeThis tool is maintained and covered by automated calculation tests. Provider timing, rounding, and omitted facts can still change a real-world result.
- Formula release
- 2026.10-r4
- Release date
- October 10, 2026
- Review status
- Maintained
- Source review
- September 12, 2026
Optional readingLearn how this calculator works
How the student loan refinance calculator works
Compare an existing student loan with a proposed refinance offer.
Savings equals remaining old-loan cost minus total cost of the new loan including fees.
Read our calculation methodology and limitations.
Example
Enter the current weighted APR and remaining term, then the quoted new rate, term, and fees.
What affects the result
- Refinancing federal loans can permanently remove federal protections.
- A shorter term can save interest while raising the payment.
- Approval and rates depend on lender underwriting.
Frequently asked questions
What should I enter?
Use current statement or offer values where available. Each input includes a description of the expected amount, rate, or time period.
Is this financial advice?
No. It is a deterministic planning estimate. Verify important decisions with official documents and an appropriately qualified professional.