$10,000 in student loans. It sounds like a defined, finite number. But the real cost of borrowing depends on your interest rate, your repayment term, and when you start paying.
A simple example
If you borrow $10,000 at a 6.5% interest rate and repay it over 10 years, your monthly payment is roughly $113. Over the life of the loan, you pay approximately $13,600 total — including about $3,600 in interest.
If your rate is 9.5% (not uncommon for private loans without a cosigner), the same $10,000 costs closer to $15,600 over 10 years. You pay $5,600 in interest on a $10,000 loan.
What does this mean in real terms?
$113/month is less than a phone bill. But $113/month on top of rent, groceries, health insurance, and a car payment — in a job market where starting salaries can be uncertain — is a real monthly commitment that affects your financial flexibility for years.
The four-year multiplier
Most students don't borrow once. They borrow every year. $10,000/year over four years is $40,000 in principal — plus interest that may have been accruing since year one. At 6.5%, that $40,000 in principal can cost over $54,000 over 10 years.
The question worth asking
Before you borrow, ask: what will my monthly payment be, and what do I realistically expect to earn in my first job?
CollegeLens shows this estimate on your dashboard after your gap calculation — not to scare you, but to give you the context you need to make a real decision.
The goal isn't zero debt
Some borrowing is often reasonable and necessary. The goal is to borrow an amount that makes sense relative to what you'll earn — and to know that number before you commit.
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