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Student Loan Interest Can Become Principal. That Changes the Next Interest Calculation

By Maya PatelNovember 22, 20255 min read

Interest can accrue while a student loan is not being fully paid. In certain situations allowed by the loan terms and federal rules, that unpaid interest may be added to principal. Future interest is then calculated on a larger balance.

Accrual and capitalization are separate

Accrual means interest is accumulating. Capitalization is the event that adds eligible unpaid interest to principal.

The timing depends on the loan type and repayment status.

The dashboard balance needs context

A balance can grow even when no new money is borrowed. Reviewing the transaction history can show how much is principal and how much is unpaid interest.

Loan servicers should provide the applicable terms.

Small payments can still have a purpose

When permitted and affordable, paying accruing interest can reduce the amount available to capitalize. That choice should not come ahead of rent, food, or an essential emergency buffer.

Federal Student Aid provides current rules for federal loans.

Sources

  • Federal Student Aid, Capitalized Interest.
  • Consumer Financial Protection Bureau, Student Loan Repayment Tools.
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