Tool 09 · Budget planner
Give every euro a job.
The 50/30/20 rule is the simplest budget that works: half your take-home pay for needs, a third for wants, a fifth for savings. Set your split and see where your money really goes.
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Rent, food, bills, transport, minimum debt payments.
Eating out, subscriptions, holidays, the fun stuff.
Whatever's left after needs and wants — invested for your future.
Pro features. See what your savings grow into, read insights, get the annual breakdown, compare budgets and export.
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Used to estimate how soon your savings rate reaches financial independence.
Monthly & yearly breakdown
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How the 50/30/20 budget works
Popularised by US senator Elizabeth Warren, the 50/30/20 rule splits your after-tax income into three buckets: 50% needs (the essentials you can’t skip), 30% wants (the things that make life enjoyable), and 20% savings (paying down debt beyond minimums, plus investing for the future). It’s popular because it’s simple enough to actually stick to — no tracking forty categories, just three.
The split is a guideline, not a law. In high-cost cities, needs often creep above 50%; if you’re chasing early financial independence, you might push savings well past 20%. This planner lets you set your own split, shows the euro amounts, and flags how it compares to the classic rule. The savings slice is the one that builds your future — the higher it goes, the sooner work becomes optional.
The genius of 50/30/20 is that it works with human nature instead of against it. Detailed budgets that track dozens of categories tend to collapse within a month or two because they’re exhausting. Three buckets, on the other hand, are easy to hold in your head: as long as needs stay near half, wants near a third, and savings near a fifth, the details take care of themselves. It’s a budget you can actually keep — which is the only kind that works.
A worked example
€3,500 take-home pay per month
A classic 50/30/20 split allocates €1,750 to needs, €1,050 to wants and €700 to savings. That €700 a month — €8,400 a year — invested steadily is what quietly builds your future. Nudge savings up to 30% (€1,050/month) and you’d trim years off your path to financial independence, at the cost of a little less "wants" money today.
Things to keep in mind
- Start from take-home pay. Budget the money that actually reaches your account, after tax and pension deductions, so the percentages reflect reality.
- Pay yourself first. Automate the savings slice on payday before you spend, rather than saving "whatever’s left" — there’s rarely anything left.
- High rent breaks the 50. In expensive cities, needs routinely run to 55–60%. That’s normal; protect the savings slice and squeeze wants instead.
- The savings slice is your future. It’s the only one of the three that compounds. Every point you can move from wants to savings pulls your financial independence date closer.
Frequently asked questions
How do I actually stick to a budget?
Automate it. Set up a standing transfer to savings/investments on payday, and consider a separate account for "wants" spending so you can see at a glance what’s left. Reviewing three simple buckets once a month is far more sustainable than tracking every transaction.
Should minimum debt payments be a need or a want?
Minimum required debt payments are a need — they’re non-negotiable. But extra debt payments above the minimum count as part of your 20% "savings" slice, because clearing high-interest debt is one of the best returns available. Our debt payoff planner can help you order them.
What counts as a "need" vs a "want"?
Needs are essentials you’d struggle without: housing, groceries, utilities, transport, insurance and minimum debt payments. Wants are the discretionary extras: dining out, streaming, hobbies, upgrades and holidays. If you could pause it for a few months without real harm, it’s probably a want.
Is 20% savings enough?
It’s a solid baseline that builds real wealth over a career. But the share you save is the single biggest lever on when you can retire — push it higher and the timeline shortens dramatically. See our savings-rate tool for the exact effect.
My needs are over 50% — is that bad?
It’s common, especially with high rent. It just means less room for wants and savings. The fix is usually to trim wants before savings, and to keep the savings slice as protected as you can.