How to Use the Retirement Income Goal Calculator
Planning for retirement can feel overwhelming — but our Retirement Income Goal Calculator makes it simple. Just enter a few details and get a clear picture of how much you need to save each month to reach your retirement dreams.
Step 1: Enter your desired annual retirement income
- Type in how much money you’d like to live on each year once you retire.
- Example: If you want £30,000 per year, enter 30000.
- The calculator will immediately estimate the total retirement pot you’ll need based on the safe withdrawal rate (SWR).
Step 2: Adjust the sustainable withdrawal rate (SWR)
- By default, the calculator uses 4%, a common rule of thumb in retirement planning.
- This means you can safely withdraw 4% of your investments each year without running out too early.
- You can increase or decrease this percentage if you want to model more conservative or aggressive assumptions.
Step 3: Set your expected annual growth rate
- Default is 6%, reflecting the historic average return of a stocks and shares portfolio.
- You can adjust this to be more conservative (e.g., 4%) or more optimistic (e.g., 8%).
Step 4: Add your current savings and monthly contributions
- Enter your current retirement savings (if any).
- Add how much you are currently saving each month towards retirement.
- The calculator will show how long it would take to hit your target at this savings rate.
Step 5: Choose your retirement timeline
- Enter how many years until retirement you’re aiming for (e.g., 25 years).
- The calculator will tell you exactly how much you need to save per month to hit your pot by then.
- If you enter both monthly savings and a target timeline, you’ll see whether you’re on track — or how much you need to adjust.
Step 6: Review the chart and summary
- The chart shows how your savings grow over time compared to your target pot.
- A summary below explains:
- Your required pot,
- Monthly savings needed for your timeline,
- How many years it will take at your current saving rate,
- Your approximate retirement age when you’ll hit the goal.
Why Use This Tool?
- Gives you a clear savings target instead of guessing.
- Helps you test different scenarios (e.g., “What if I save £200 more per month?”).
- Shows whether you’re on track to retire at your desired age.
- Perfect for UK savers and investors considering ISAs, pensions, and other retirement vehicles.
Tip: Use this tool alongside our Budget Checker to see if you can increase your monthly contributions, and our ISA Projection Tool to compare tax-efficient saving strategies.
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Plan your retirement with our free UK retirement calculator. Enter your income goal and see how much you need to save each month to hit your target pot.