5 Best Student-Loan Payoff Calculators You Can Use Online for Free

Written by Diversification.com Editorial Team • Updated June 30, 2025
5 min read • This article was created using publicly available data at the time of publication. The list includes editorial opinions, is not financial advice, and there are no paid placements.
Paying off student debt efficiently can save thousands in interest. These five free, up-to-date online calculators focus solely on student-loan payoff, guiding U.S. borrowers through various repayment scenarios without subscription fees.
With 43.6 million Americans carrying federal student debt and average balances approaching $38,000, selecting the right payoff strategy is critical. Free online calculators simplify complex amortization math—helping borrowers test extra-payment plans, payoff dates, and interest savings in seconds.
How We Listed These Student-Loan Payoff Calculators
To make this list, each tool had to meet three criteria:
- Free tool: No fees or subscription required.
- Student-loan focus: Specifically designed to model student-loan amortization and extra payments.
- Updated 2024–25: Evidence of data or feature updates within the last 18 months.
1. Student Loan Planner Payoff Calculator
- Supported Loans: Federal and private student loans (direct, Perkins, FFEL)
- Features: Enter multiple loans with balances, rates, and auto-populate standard payoff schedules; compare payoff timelines under different extra-payment scenarios
- Access: Web tool
Notable Details: downloadable PDF summary, and link to debt-management articles
2. NerdWallet Student-Loan Payoff Calculator
- Supported Loans: Federal direct subsidized/unsubsidized, PLUS, and private loans
- Features: Slider-based extra-payment adjustments; real-time update of payoff date and total interest saved
- Access: Web too
- Notable Details: Integrated FAQs on repayment options and links to refinancing resources; mobile-optimized view
3. Purefy Student-Loan Payoff Calculator
- Supported Loans: All federal and private loan types with custom term and rate inputs
- Features: Compare impact of term changes, rate reductions, and extra payments on payoff timeline and interest
- Access: Web tool
- Notable Details: links to credit union and refinancing partner offers
4. Ramsey Solutions Student-Loan Payoff Calculator
- Supported Loans: Federal and private loans, with fields for multiple balances and rates
- Features: Calculates payoff date and total interest saved, plus guidance on applying the debt-snowball method
- Access: Web tool
- Notable Details: Includes step-by-step guide on payoff strategies and links to free budgeting tools
5. LendingTree Student-Loan Prepayment Calculator
- Supported Loans: Federal and private student loans with customizable loan details
- Features: Extra-payment modeling and comparison between original vs. accelerated payoff
- Access: Web tool
- Notable Details: Links to refinance rates when extra payments aren’t feasible
In Summary
These five free calculators empower student-loan borrowers to model payoff strategies—whether through extra payments, term adjustments, or method comparisons—with clear, real-time projections and no cost.
Disclosures
- Data verified as of June 30, 2025
- This article is not financial advice
- Calculator features and availability may change; always verify details with each provider before use