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EDUCATION DEBT / GRACE INTEREST

Student Loan Repayment Calculator

Estimate interest accumulated during a no-payment grace period and the later monthly payment after that interest is added to principal.

  • 01 Calculated in this tab
  • 02 Values stay in this browser tab
  • 03 Use boundary

Conversion input

Known value

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Use boundary

Calculation path

Unpaid interest compounds monthly during the entered grace period, then the resulting balance is amortized with level monthly payments.

Calculation path

Grace interest compounds monthly, then the resulting balance is amortized over the repayment term.

What you provide

What you provide

  • Student loan principal: Balance when the grace period begins.
  • Annual loan rate: Fixed rate used in grace and repayment phases.
  • Grace period: Months with no payment before repayment starts.
  • Repayment term: Whole years for amortizing the post-grace balance.

What you receive

What you receive

  • Balance and interest after grace
  • Estimated monthly repayment
  • Total scheduled repayment after grace

Use boundary

Choose the maximum decimal places shown. This does not increase source accuracy.

Subsidies, simple-interest grace treatment, income-driven plans, deferment, forgiveness, and capitalization rules vary by program.

This is an educational planning estimate. Confirm lender, issuer, tax, accounting, and contractual rules with the relevant provider or qualified adviser before acting.