How this savings goal calculator works
Most savings calculators ask "how much will I have?" — this one asks the more useful question in reverse: "how much do I need to put away each month to end up with the amount I actually want?" You give it your goal, your deadline, your current savings, and your expected return; it solves for the monthly contribution that lands you exactly on target.
The math behind it is the standard compound interest formula rearranged to solve for the periodic payment. The calculator runs the simulation month by month, so you can also see your balance growing toward the goal line in the chart.
The formula being solved
For a future value FV, present value P, monthly rate r, and number of months n, the required monthly contribution is:
PMT = (FV − P × (1+r)n) × r / ((1+r)n − 1)
If your current savings would already grow to exceed the goal on their own (i.e. P × (1+r)n ≥ FV), the required monthly contribution is zero — you're already on track from what you have today. If you want to see this from the other direction — start with a contribution amount and see what you end up with — use our compound interest calculator.
Common savings goals and realistic timeframes
This calculator works for any goal, but here are typical scenarios so you can sanity-check your numbers.
Emergency fund (3–6 months of expenses)
If your monthly spending is €2,500, aim for €7,500–€15,000 in an instantly-accessible savings account. Most people can build this in 1–2 years on modest contributions. Because this money needs to be liquid and safe, use a high-yield savings account (not stocks) — set the expected return to 2–3% to match what's realistic. The growth contribution will be small; this goal is almost entirely about consistent monthly deposits.
House deposit (10–20% of property price)
In most of Europe a deposit of €30,000–€80,000 is typical for a starter home. Timeframes vary: 3–5 years is the usual "save aggressively" window. Because the timeframe is medium, you have a choice: keep it in cash/bonds (safe, lower return) or take some equity risk (higher expected return but real chance of being 20–30% down right when you need the money). For 3–5 year horizons, conservative is usually right.
Sabbatical or career break
A 6–12 month break typically requires 6–12 months of your current spending plus a buffer for the "return-to-work" delay. €20,000–€50,000 is a common range. Because the goal is flexible (you can delay by 6 months without disaster), this is one of the few goals where you can afford to take more equity risk.
Children's education
European universities range from near-free to €15,000/year for some private programmes; international programmes (US, UK) run €30,000–€60,000/year. For a child aged 0–5, you have a 13+ year runway — long enough that equity exposure makes sense. For a child already 12+, the runway is short and you should be in safer assets even if returns are lower.
Retirement
The biggest savings goal of all, and the one that benefits most from the longest possible runway. Because the inputs are more complex (separate accumulation and drawdown returns, life expectancy, inflation-adjusted withdrawals), we built a dedicated retirement calculator for it — it gives a more honest answer than a generic goal-based calculation can.
Car replacement
A solid used car is €10,000–€20,000. Paying cash and avoiding car loans is one of the single highest-leverage personal finance moves available. Timeframe: 2–4 years for most people. Use a savings account or short-term bonds — equity risk is not worth it on a sub-3-year horizon.
What return rate should you assume?
The return rate you pick is the single biggest assumption in the calculation, and it matters more than people realise. Picking 8% when you'll actually get 3% means you'll be massively undersaved on the day you need the money.
Rule of thumb: match the rate to the horizon and risk you can tolerate.
- Under 2 years — use 1–3%, the rate on a current high-yield savings account. Stocks at this horizon are essentially gambling: a 30% drawdown right before you need the money is realistic, and you don't have time to recover.
- 2–5 years — use 2–4%. Mostly cash or short-term bonds, with maybe a small (10–20%) equity allocation if you can tolerate some volatility.
- 5–10 years — use 4–6%. A balanced portfolio of stocks and bonds. You can ride out a downturn, but not a prolonged one, so don't go fully equity.
- 10+ years — use 6–8%. This is the timeframe where equity-heavy portfolios reliably outperform, because every historical market crash has fully recovered within 7 years.
The calculator's default of 5% is a reasonable middle estimate for a medium-term goal. Stress-test by trying 3% — if you'd still hit your goal at the lower rate, your plan has a margin of safety. If 3% blows the plan apart, you're probably taking more risk than the goal can absorb.
Three strategies to hit your goal faster
1. Increase contributions on every raise
The biggest psychological win in saving is that you don't miss what you never had. When your salary goes up, redirect at least half of the increase straight to your savings goal before lifestyle inflation absorbs it. A 5% raise = 2.5% extra into the goal. Over a 10-year horizon, this can shorten the timeline by 1–3 years without ever feeling like a sacrifice.
2. Automate the contribution on payday
The single most reliable predictor of whether someone hits their savings goal is whether they automated the deposit. Manual savers — people who plan to save "whatever's left at the end of the month" — almost universally undersave. Set up an automatic transfer on the day after payday and treat it as a non-negotiable bill.
3. Separate the money visually
A goal-specific savings account, ideally with a name like "House 2028" or "Tokyo Sabbatical," is much harder to raid for a random purchase than a single lump pot. The behavioural research on this is clear: separating funds by goal increases the likelihood of reaching each goal by 15–25%. Most modern banks let you create sub-accounts or "spaces" at no cost.
What if the required monthly is unrealistic?
If the calculator says you need to save €1,200/month and you can only manage €400, you have three honest options. None of them are "save €400 and hope" — that's how plans quietly fail.
- Push the goal date back. Often the simplest fix. Try moving the deadline by 3, 5, 10 years and see how the required monthly drops — usually dramatically, thanks to compounding.
- Reduce the goal amount. A €40,000 house deposit instead of €60,000 might mean a smaller place or a different neighbourhood, but it might also mean buying within reach. Be honest about what the goal is actually for and whether a smaller version delivers the same value.
- Increase income or reduce expenses. The boring answer, but the one that compounds across every future goal. €200/month of extra savings, sustained for 10 years, is roughly €30,000 with growth — meaningful.
What you should not do: take significantly more investment risk to "make up the gap." If a 5% return makes the goal unreachable, switching to a 9% expected return doesn't make the goal reachable — it just means you'll either get lucky and hit it, or end up with much less than €400/month at 5% would have given you.
Frequently asked questions
What if my goal is in a different currency?
The math works identically in any currency. Just enter the goal and starting amount in your target currency and treat the euro sign in the results as a placeholder. If your savings are in one currency and your goal is in another, the exchange rate movement is an additional risk this calculator doesn't model.
Should I include inflation here?
Depends on the goal. For a fixed nominal goal (paying off a €25,000 student loan, buying a specific car priced at €15,000 today), no — the goal amount is already fixed in nominal terms. For an inflation-linked goal (university tuition in 15 years, a house deposit in 5 years), yes — increase your goal amount by 2.5% per year of timeline to keep purchasing power equal. A €50,000 deposit goal in 5 years should be entered as roughly €56,500.
What if my contributions vary month to month?
The calculator assumes a fixed monthly contribution, which is the easiest plan to actually follow. In reality, contributions vary — you might save more in low-spending months and less around the holidays. As long as your average monthly contribution over a year matches the calculator's number, you'll hit the goal.
Does the compounding frequency really matter?
For most modern accounts, monthly compounding is the default and the difference between monthly and annual compounding over a 10-year horizon at 5% is roughly 1.2% of the final balance — meaningful, but not game-changing. Don't pick an investment based on compounding frequency alone; pick based on return, fees, and risk.
What's a good first goal if I'm starting from zero?
Build a one-month emergency fund first. It's small (whatever one month of essential spending is for you), achievable in 2–3 months for most people, and it breaks the cycle of using credit cards for every unexpected expense. Once that's in place, expand it to 3–6 months. Only after that does it usually make sense to lock money into longer-term goals.