Tax
Student Loan Repayment Calculator UK — How Much Will You Pay?
Calculate your student loan repayments. Thresholds for Plans 1-5, how much is deducted from your salary, and when your loan gets written off.
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4 min read
Student loan repayments depend on your income and loan plan type. Here’s how to calculate exactly what you’ll pay.
Which Plan Are You On?
Identifying Your Plan
| Plan |
When/Where You Studied |
| Plan 1 |
England/Wales before Sept 2012 |
| Plan 2 |
England/Wales Sept 2012 - July 2023 |
| Plan 4 |
Scotland |
| Plan 5 |
England from Aug 2023 |
| Postgraduate |
Master’s/Doctoral loans |
If Unsure
| Check |
How |
| Student Loans Company |
Login to account |
| Payslip |
Shows plan type |
| When you started |
Generally indicates |
Current Thresholds 2025/26
Annual Thresholds
| Plan |
Annual |
Monthly |
Weekly |
| Plan 1 |
£24,990 |
£2,082 |
£480 |
| Plan 2 |
£27,295 |
£2,274 |
£524 |
| Plan 4 |
£31,395 |
£2,616 |
£603 |
| Plan 5 |
£25,000 |
£2,083 |
£480 |
| Postgraduate |
£21,000 |
£1,750 |
£403 |
Repayment Rates
| Plan Type |
Rate |
| Plan 1, 2, 4, 5 |
9% of income above threshold |
| Postgraduate |
6% of income above threshold |
Calculating Repayments
| Calculation |
Process |
| Take annual salary |
Your gross pay |
| Subtract threshold |
Your plan’s threshold |
| Multiply by 9% |
(or 6% for PG) |
| = Annual repayment |
Divided by 12 for monthly |
Plan 2 Examples
| Salary |
Above Threshold |
Annual Repay |
Monthly |
| £25,000 |
£0 |
£0 |
£0 |
| £30,000 |
£2,705 |
£243 |
£20 |
| £35,000 |
£7,705 |
£693 |
£58 |
| £40,000 |
£12,705 |
£1,143 |
£95 |
| £50,000 |
£22,705 |
£2,043 |
£170 |
| £60,000 |
£32,705 |
£2,943 |
£245 |
Plan 1 Examples
| Salary |
Above Threshold |
Annual Repay |
Monthly |
| £25,000 |
£10 |
£1 |
£0.08 |
| £30,000 |
£5,010 |
£451 |
£38 |
| £35,000 |
£10,010 |
£901 |
£75 |
| £40,000 |
£15,010 |
£1,351 |
£113 |
| £50,000 |
£25,010 |
£2,251 |
£188 |
Plan 4 Examples (Scotland)
| Salary |
Above Threshold |
Annual Repay |
Monthly |
| £30,000 |
£0 |
£0 |
£0 |
| £35,000 |
£3,605 |
£324 |
£27 |
| £40,000 |
£8,605 |
£774 |
£65 |
| £50,000 |
£18,605 |
£1,674 |
£140 |
Postgraduate Loan Examples
| Salary |
Above £21,000 |
Annual (6%) |
Monthly |
| £25,000 |
£4,000 |
£240 |
£20 |
| £30,000 |
£9,000 |
£540 |
£45 |
| £35,000 |
£14,000 |
£840 |
£70 |
| £40,000 |
£19,000 |
£1,140 |
£95 |
Multiple Loans
If You Have Both
| Loan Types |
Repayment |
| Undergraduate + Postgraduate |
Pay both simultaneously |
| Plan 2 + PG |
9% + 6% = 15% |
| If earning above both |
Both deducted |
Combined Example
| Salary £40,000 |
Calculation |
| Plan 2 |
9% × (£40k - £27,295) = £1,143 |
| Postgraduate |
6% × (£40k - £21,000) = £1,140 |
| Total annual |
£2,283 |
| Monthly |
£190 |
Interest Rates
Plan 2 Interest
| Income |
Rate (2025/26) |
| Below threshold |
RPI |
| At threshold |
RPI |
| Above £49,130 |
RPI + 3% |
| Between |
Sliding scale |
Other Plans
| Plan |
Interest |
| Plan 1 |
Lower of RPI or Bank of England + 1% |
| Plan 4 |
Lower of RPI or Bank of England + 1% |
| Plan 5 |
RPI only (no additional 3%) |
Impact of Interest
| Reality |
Consideration |
| Most don’t repay in full |
Interest often irrelevant |
| Balance grows |
While earning below |
| Written off anyway |
At end of term |
Write-Off Dates
When Loans Are Cancelled
| Plan |
Written Off After |
| Plan 1 |
25 years (or age 65, if sooner) |
| Plan 2 |
30 years |
| Plan 4 |
30 years |
| Plan 5 |
40 years |
| Postgraduate |
30 years |
Calculating Your Write-Off
| Plan 2 Example |
Dates |
| Left course |
July 2020 |
| First April after |
April 2021 |
| 30 years from |
April 2051 |
| Written off |
April 2051 |
Is Write-Off Tax-Free?
| What Happens |
Treatment |
| Balance written off |
No tax |
| Regardless of amount |
Even if £50k+ |
| Don’t count against |
Your income |
Should You Overpay?
When Overpaying Makes Sense
| Scenario |
Consider Overpaying |
| High earner |
Will repay in full anyway |
| Small balance |
Near end of repayment |
| Plan 1 |
Lower threshold, often repay |
When Not to Overpay
| Scenario |
Don’t Overpay |
| Won’t clear before write-off |
Money wasted |
| Low/medium earner |
Unlikely to repay |
| Better uses |
Savings, pension, debt |
Calculation
| Your Situation |
Action |
| Total debt |
£40,000 |
| Annual repayment |
£2,000 |
| Years to clear |
20 |
| Write-off at |
30 years |
| Will you repay? |
Yes, before write-off |
| Versus |
|
| Total debt |
£60,000 |
| Annual repayment |
£1,500 |
| Years to clear |
40 |
| Write-off at |
30 years |
| Will you repay? |
No — will be written off |
Self-Employment
If Self-Employed
| Process |
Details |
| Declare on Self Assessment |
Income reported |
| HMRC calculates |
Repayment due |
| Pay with tax |
By 31 January |
Class 2 NI
| Note |
Details |
| Repayments |
Based on profits |
| Same thresholds |
Apply |
| Same rates |
9% / 6% |
Repayment While Abroad
Working Overseas
| Requirement |
Details |
| Must still repay |
If earning above threshold |
| Country thresholds |
Different amounts |
| Report income |
To SLC annually |
| Convert to GBP |
At official rate |
Overseas Thresholds
| Country |
Threshold Multiple |
| USA |
69% of UK |
| Australia |
120% of UK |
| Varies |
By cost of living |
Summary
| Plan |
Threshold |
Rate |
Write-Off |
| Plan 1 |
£24,990 |
9% |
25 years |
| Plan 2 |
£27,295 |
9% |
30 years |
| Plan 4 |
£31,395 |
9% |
30 years |
| Plan 5 |
£25,000 |
9% |
40 years |
| Postgrad |
£21,000 |
6% |
30 years |
| Key Calculation |
Example |
| Salary |
£35,000 |
| Less threshold (Plan 2) |
-£27,295 |
| Income for repayment |
£7,705 |
| × 9% |
£693/year |
| Monthly |
£58 |