Tool 09 of 30  ·  Debt

Student loans cost far more than the interest rate alone.

Enter your loan details. See total interest, payoff timeline, and the wealth cost of delayed investing.

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True Total Cost of Your Student Loan
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What This Really Means
Adjust the sliders to see your personalised analysis.
Full Breakdown
Loan summary
Payoff timeline
Total interest
Interest paid
Wealth comparison
Wealth lost to delay
True total cost
Cost multiplier

Common Questions

Should I invest or pay off student loans?
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If your loan rate is below 5%, invest first (expected market return exceeds loan cost). Above 6%, prioritise the loan. Between 5-6%, do both simultaneously.
What about income-driven repayment?
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IDR plans lower monthly payments but extend the loan and increase total interest dramatically. This tool models standard repayment — IDR can change the numbers significantly.
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Disclaimer: For educational purposes only. Not financial advice. Projections use historical averages and are not guaranteed. Individual results will vary. Consult a qualified financial advisor before making financial decisions.