Retirement Savings Calculator

How Much Do You Need to Retire?

The most widely used retirement planning guideline is the 25x rule: save 25 times your expected annual spending. This comes from the "4% rule" — research suggesting that withdrawing 4% of your portfolio per year gives a high probability of the fund lasting 30 or more years. If you expect to spend €30,000 per year in retirement, your target fund would be €750,000. If you expect €40,000 annually, aim for €1,000,000.

These numbers can feel daunting, but our retirement savings calculator breaks it into a concrete monthly saving figure based on your actual situation — your age, existing savings, time horizon, and expected return. The earlier you start, the more manageable that monthly number becomes.

How This Calculator Works

Enter your current age and the age at which you plan to retire to establish your time horizon. Add your current retirement savings — any pension fund balance, savings, or investments earmarked for retirement. Set your target retirement fund and the annual return you expect from your investments. The calculator then projects how much your existing savings will grow to by retirement, determines the remaining gap, and calculates the fixed monthly contribution needed to close that gap by your target date.

Why Starting Early Makes Such a Difference

Time is the most powerful variable in retirement planning — more powerful than the rate of return or the contribution amount. A 25-year-old who saves €300 per month at 7% will have approximately €790,000 by age 65. A 35-year-old saving the same amount reaches only €364,000 — less than half, despite saving for only 10 fewer years. This is the compounding effect: each year of early saving generates decades of additional growth.

The practical implication is that starting with a smaller amount early almost always beats starting with a larger amount later. If you can only afford €100 per month now, start with that. Increasing contributions when your income grows is far more effective than waiting until you feel ready.

State Pension and Other Income Sources

Your retirement target should account for income you will receive from other sources. In Finland, the earnings-related pension (työeläke) provides income in proportion to your career earnings — check your projected entitlement through the Kela or your pension provider. Other sources might include a partner's income, rental income, or other investments. Subtract expected income from other sources from your annual spending need before calculating your target fund.

Choosing a Realistic Return Assumption

The expected annual return you enter will dramatically affect your results. Common benchmarks: a cash savings account or fixed deposit currently returns 2–4%. A conservative portfolio of mostly bonds returns around 4–5%. A balanced portfolio of global index funds has historically returned 6–7% annually over long periods. An equity-heavy portfolio targeting global markets has returned closer to 8–9% historically, though with more year-to-year volatility.

For conservative planning, use 5–6%. For stress-testing your plan, try 4% and see what happens to the required monthly saving. Running calculations at multiple rates gives you a sense of the range of possible outcomes rather than a single uncertain projection.

Frequently Asked Questions

Should I adjust for inflation?

Yes. To work in today's money, subtract expected inflation (typically 2–2.5%) from your return before entering it. So instead of 7%, enter 4.5–5% to get a result in real, inflation-adjusted terms. Your monthly saving figure will be higher, but it represents what you actually need to maintain purchasing power.

What if the required monthly saving is unaffordable?

Consider increasing your retirement age by a few years — even 2–3 extra years of saving while also reducing the drawdown period makes a significant difference. Look at reducing your target fund by finding ways to lower expected retirement expenses. Or start with whatever you can manage and commit to increasing contributions whenever income rises. Any amount saved now is better than waiting.

Should I pay off debt or save for retirement?

If your employer matches pension contributions, capture the full match first — it is an immediate 50–100% return. Beyond that, high-interest debt (credit cards, personal loans above 8%) usually costs more than investments earn, so paying it down first is typically the better financial move. Mortgage debt at 3–5% is a closer call and depends on your investment return expectations.

How often should I review this calculation?

At minimum annually, and after any major life change — salary increase, new job, marriage, children, or significant change in expenses. Rerunning the calculation each year with updated savings balances helps keep your plan on track and lets you adjust contributions while you still have time to course-correct.

Practical Steps to Improve Your Retirement Outlook

Maximise any employer pension contributions — never leave matching contributions unclaimed. Use tax-advantaged retirement accounts available in your country, as the tax relief effectively boosts the value of every euro you contribute. Automate your pension contributions so saving happens before you see the money. Keep investment costs low by choosing index funds over actively managed funds where possible. And as you approach retirement, gradually reduce portfolio risk by shifting from equities toward bonds to protect what you have built.