See your monthly student-loan payment, total interest, and how much faster you'd be debt-free by paying a little extra each month.
Estimate for a fixed-rate loan with equal payments. Federal income-driven and forgiveness programs work differently. General information, not financial advice.
On a standard 10-year student loan, even a small extra monthly payment goes entirely to principal — cutting the balance interest is charged on, which snowballs into big interest savings and an earlier payoff. This tool shows exactly how much.
Payment = balance × r ÷ (1 − (1 + r)⁻ⁿ)
Compare your loan rate to what you could earn investing. Guaranteed savings from paying down a high-rate loan often beats uncertain market returns.
A lower rate reduces interest, but refinancing federal loans into private ones gives up federal protections and forgiveness options — weigh both.
Related: student loan payoff tracker · loan calculator · debt payoff calculator · all free calculators.
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Yes. The Student Loan Calculator is completely free, runs in your browser, and never asks for a signup, email, or download. Enter your numbers and the result updates instantly.
It uses standard formulas and recalculates the moment you change a value, so the math is exact for the inputs you enter. Treat the result as a reliable planning estimate; for decisions with legal or tax consequences, confirm the figures with a qualified professional.
Yes. The calculator is mobile-friendly and works on any phone, tablet, or computer — there is no app to install and nothing to save.
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Last reviewed: September 2026. Free to use, no signup — Student Loan Calculator by ToolWise Digital.
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