Continue your plan
Useful next calculations
Rates & sources
Compound growth assumes reinvested returns and no platform fees. Past performance is not a guide to future returns.
Source: FCA — Investment basics — check the linked guidance and any live quote before acting.
When to use this calculator
- Before choosing between saving, investing or changing a contribution.
- When you want to compare cautious, base and optimistic return assumptions.
- When you need a projection before making a longer-term decision.
- When you want to see whether starting earlier or contributing more changes the outcome more.
Example: checking whether a retirement plan is on pace
Use these sample inputs as a quick scenario test, then change one variable at a time to compare outcomes.
| Input | Value |
|---|---|
| Current retirement balance | £45,000 |
| Monthly contribution | £400 |
| Expected annual growth | 6% |
| Years to retirement | 25 years |
The value here is seeing whether the current contribution pace is doing enough work on its own, or whether the plan leans too heavily on optimistic growth assumptions.
How to read your results
Retirement Pot
The figure produced by this output for the inputs you entered. Change one variable at a time if you want to see what drives it.
Years to Retire
The figure produced by this output for the inputs you entered. Change one variable at a time if you want to see what drives it.
Est. Monthly Income
The figure produced by this output for the inputs you entered. Change one variable at a time if you want to see what drives it.
Method & assumptionsAuthoritative sources
This calculator projects the potential value of your retirement pot based on your current savings, regular contributions, an assumed rate of growth, and your target retirement age. It applies compound growth annually and does not model variable contribution increases, salary progression, or state benefits such as the new State Pension. The figures are nominal and are not adjusted for inflation; a projected pot of £500,000 in thirty years will have considerably less real purchasing power than today. UK pension contributions attract income tax relief, and growth within a SIPP or workplace pension is sheltered from tax during accumulation. The calculator does not account for drawdown taxation in retirement or the Lifetime Allowance framework. Results are illustrative only and not financial advice.
Common mistakes
- !Assuming a constant return without checking a more conservative growth rate.
- !Forgetting ongoing contributions, fees or tax wrappers where relevant.
- !Focusing only on the final balance instead of the path required to reach it.
- !Ignoring the drag of charges over a long period.
What to do next
- Test a cautious, expected and optimistic growth rate.
- Compare this result with related savings or retirement tools before committing more money.
- Consider charges and any tax wrapper that applies.
- If the projected balance falls short, increase the contribution until the result meets your goal.
Go deeper — 1 guide reference this calculator
Frequently asked
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