Student Loan Repayment Calculator
Calculate monthly payments and total cost for repaying student loans over time.
Rates & sources
Student Loan plans (Plan 1 / 2 / 4 / 5) each have different repayment thresholds and interest rates. SLC publishes annual updates.
Source: Student Loans Company (SLC) — figures refreshed at the start of each tax year.
When to use this calculator
- When you need a fast estimate before making a bigger decision.
- When you want to compare a few scenarios using the same assumptions.
- When you need a clearer starting point before using a detailed quote or formal document.
A realistic US planning example
Use these sample inputs as a quick scenario test, then change one variable at a time to compare outcomes.
Loan Amount ($)
$280,000
Interest Rate (%)
5%
Repayment Period (Years)
25 years
After entering these figures, compare monthly payment, total repaid and interest before deciding which scenario looks strongest.
How to read your results
Monthly Payment
Use this to check whether the scenario fits comfortably within your regular budget.
Total Repaid
This is the headline outcome, but it is most useful when viewed alongside the supporting metrics below it.
Interest
Use this metric to compare scenarios side by side and understand how the key drivers affect the final outcome.
Method & assumptionsAuthoritative sources
Common mistakes
- !Using optimistic assumptions without testing a more cautious scenario as well.
- !Comparing outputs from different tools without checking that the inputs match.
- !Treating the result as a final quote instead of a planning estimate.
What to do next
- Try at least one more scenario so you can compare a realistic range instead of a single estimate.
- Use the related calculators below to cross-check the decision from another angle.
- Open one of the linked guides if you need more context before you act on the result.
Frequently asked
Use arrow keys to navigate items, Enter or Space to expand/collapse.
End-of-article next steps
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