Calculate UK student loan repayments by plan (Plan 1, 2, 4, 5 at 9% and Postgraduate Loan at 6%) with 2025/26 thresholds and combined marginal deductions.
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Computes 2025/26 student loan repayments: 9% of income above your plan's threshold (Plan 1 £26,065 · Plan 2 £28,470 · Plan 4 £32,745 · Plan 5 £25,000) plus 6% above £21,000 for a Postgraduate Loan — both collected together through PAYE or Self Assessment.
£40,000 income on Plan 2 with a Postgraduate Loan: 9% of £11,530 (£1,037.70) plus 6% of £19,000 (£1,140) — £2,177.70 a year, about £181.48 a month.
Enter your annual income before tax.
Select your repayment plan (check your loan provider letter if unsure).
Add the Postgraduate Loan if you have one — it repays concurrently.
Read the annual and monthly repayments and the effective rate.
Last data update
July 5, 2026
Sources and references
GOV.UK — Repaying your student loan: what you pay (gov.uk/repaying-your-student-loan/what-you-pay).
The data in this calculator is updated regularly to reflect the latest official rates. When in doubt, consult the official sources listed above.
Plan 1: £26,065 · Plan 2: £28,470 · Plan 4: £32,745 · Plan 5: £25,000 — all at 9% of income above the threshold. Postgraduate Loan: £21,000 at 6%.
Yes — they run concurrently: 9% above your plan threshold plus 6% above £21,000, a combined 15% marginal deduction when income exceeds both.
Through PAYE if employed (your employer deducts them) or through Self Assessment if self-employed — always based on income above the threshold.