UK Pension Pot Calculator
project your retirement fund
See how much your pension could be worth at retirement — and what income it could provide using the 4% rule, including State Pension.
How this calculator works
Your current pension pot and future contributions are projected forward using compound growth at your chosen annual rate. The calculator assumes contributions are made monthly and that growth is applied monthly (equivalent to monthly compounding). The final pot value is the sum of your current pot grown forward, plus the future value of all monthly contributions.
The 4% rule
The 4% rule is a widely-used retirement planning guideline: withdrawing 4% of your pot per year is considered sustainable for a 30-year retirement, as historical market returns mean the portfolio continues to grow despite withdrawals. For example, a £400,000 pot provides £16,000/year in drawdown income. This is a starting point — actual withdrawal rates should be tailored with a financial adviser.
State Pension 2026/27
The full new State Pension is £221.20 per week (£11,502/year) for 2026/27. You need at least 35 qualifying years of National Insurance contributions or credits to receive the full amount, and at least 10 qualifying years to receive any State Pension. You can check your forecast and NI record at gov.uk/check-state-pension.
Annual Allowance
The pension Annual Allowance for 2026/27 is £60,000 (or 100% of your earnings, whichever is lower). High earners above £260,000 may have a tapered allowance. Contributions above the allowance are subject to a tax charge. If you have unused allowance from the previous three tax years, you can carry it forward.
UK Pension Pot Calculator 2026
This calculator projects the value of your defined contribution pension pot at retirement, based on your current pot, monthly contributions (yours and your employer's), expected growth rate and years to retirement. It also estimates the retirement income your pot could provide using the 4% drawdown rule.
Auto-enrolment minimum contributions 2026/27
| Contributor | Minimum contribution | Based on |
|---|---|---|
| Employee | 5% (incl. tax relief) | Qualifying earnings |
| Employer | 3% | Qualifying earnings |
| Total | 8% | Qualifying earnings |
Qualifying earnings for 2026/27 are between £6,240 and £50,270. Many employers contribute more than the minimum, and increasing your own contributions — especially via salary sacrifice — is one of the most tax-efficient financial decisions available.