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Finance & Business · pattern A, Numeric fields

Income-contingent student loan repayments.

Enter your income, the repayment threshold and the rate to see the annual and monthly repayment, and how the balance behaves against interest accruing.

Inputs

The formula used

repayment = (income − threshold) × repayment rate

Income-contingent systems collect a percentage of income above a threshold, not a fixed instalment. The balance can grow even while you repay.

Annual repayment

603.45

Monthly repayment
50.29
Interest accruing each year
3,150.00
Net change in balance
2,546.55
Balance growing or shrinking?
growing — repayments do not cover the interest
Income needed to cover the interest
62,295.00
Repayment as a share of income
1.77 %

Thresholds, rates, plan types and write-off periods differ by country and by cohort, and they change. Use your own loan statement rather than these defaults for anything that matters.

It behaves like a graduate tax, not like a loan.

Repayments depend on income rather than on the balance, and unpaid balances are typically written off after a set period. For many graduates the balance grows for years while they repay, and the total paid is determined by career earnings rather than by what was borrowed — which is why overpaying is often the wrong move for middle earners.

Questions about student loan

Should I overpay a student loan?
Only if you would clearly repay in full before write-off. For many earners the balance is never fully repaid, and voluntary payments then have no benefit.
Why does my balance keep rising?
Because interest exceeds your repayments at your current income. That is normal in income-contingent systems and does not affect what you actually pay each month.
Does it affect my credit rating?
Generally not in the way a commercial loan does, though it does affect affordability calculations for a mortgage because it reduces net income.

A calculator handles the arithmetic. It cannot teach you the method.

If the number is not the part you are stuck on, that is what the service is for — a specialist who explains the working, not just the answer.

These are coursework tools. Nothing here is financial advice, no figure accounts for tax rules in your jurisdiction, and no result should be relied on for a real borrowing or investment decision.