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Finance Tool

Budget Calculator

Split your monthly take-home pay with the 50/30/20 rule — or a split that fits your life — and see what your savings could grow into.

Free · no sign-up · updated October 2026

Currency
Split (needs / wants / savings)
Save every month
€600

Saved and invested at ~7% a year, that's about €103,851 after 10 years.

Needs · 50%
€1,500
€18,000 a year

Rent, groceries, bills, transport, insurance

Wants · 30%
€900
€10,800 a year

Eating out, hobbies, shopping, subscriptions

Savings & debt · 20%
€600
€7,200 a year

Emergency fund, extra debt payments, investing

Yearly income€36,000
Saved per year€7,200
Saved in 5 years€36,000
Invested 10 yrs @7%€103,851

Frequently asked questions

What is the 50/30/20 rule?+

It splits your take-home pay into three buckets: 50% for needs (rent, food, bills, transport), 30% for wants (eating out, hobbies, subscriptions) and 20% for savings and paying off debt.

Should I use my gross or net income?+

Use your net income — what actually lands in your account after taxes and deductions. That's the money you can budget.

What if my needs are more than 50%?+

That's common in expensive cities. Try 60/20/20 or 70/20/10 for now, protect the savings part first, and look for the one or two biggest fixed costs you could lower over time.

Where should the 20% savings go?+

Usually in this order: a starter emergency fund, paying off expensive debt, a full emergency fund of 3–6 months of expenses, then long-term investing such as a broad ETF.

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