
Rent Affordability Calculator
Worked example (the default inputs above): €3,500 gross income and €1,200 rent in Paris → maximum affordable rent €1,050 (30% of gross), rent burden 34.3%, money left after rent €2,300 — slightly above the guideline.
Key fact: Rule of thumb used by landlords and housing advisers across Europe: rent at or below 30% of gross monthly income is considered affordable; above 40% is considered a heavy burden. This calculator applies that guideline — it is not a legal limit.
What this calculator does
This calculator answers one question before you sign a lease: how much rent can you afford on your income? It applies the 30% rule — the guideline landlords, banks and housing advisers use across Europe — to your gross monthly income, then compares your planned rent against it and shows what is left after rent and debts.
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How to use it (4 steps)
- Enter your monthly gross income in euros (before tax — the figure landlords usually ask for).
- Enter the monthly rent you are considering, including any fixed building charges if you know them.
- Add other monthly debt payments (loans, credit cards) if you have them — they reduce what is left after rent.
- Read the result instantly: your maximum affordable rent, your rent burden as a percentage, and the money left each month.
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The formula
Maximum affordable rent = monthly gross income × 0.30. Rent burden = monthly rent ÷ monthly gross income × 100. Money left = gross income − rent − other monthly debts. Example: €3,500 × 0.30 = €1,050 affordable rent; €1,200 ÷ €3,500 = 34.3% burden.
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Worked example with real numbers
Take an expat in Paris earning €3,500 gross a month and looking at a €1,200 flat. Affordable rent = €3,500 × 30% = €1,050. The flat costs €150 a month more than the guideline — a 34.3% burden. Money left after rent = €2,300 before utilities, food and transport. The verdict: affordable with care, but a €1,050 flat would leave €150 more breathing room each month. In Rome, the same maths applies: a €2,800 income gives €840 affordable rent, so a €900 flat is a 32.1% burden — again slightly above the guideline. The rule is the same everywhere in Europe; only your income and the rent change.
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Reference table
How the 30% guideline plays out at different incomes (illustrative figures — your own numbers come from the calculator above):
| Monthly gross income | Affordable rent (30%) | Rent at 40% (heavy burden) |
|---|---|---|
| €2,000 | €600 | €800 |
| €2,800 | €840 | €1,120 |
| €3,500 | €1,050 | €1,400 |
| €4,500 | €1,350 | €1,800 |
| €6,000 | €1,800 | €2,400 |
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Sources and disclaimer
Method: the 30% rent-to-income guideline used by landlords, banks and housing advisers across Europe. Figures on this page are illustrative worked examples — your lease, local charges and tax situation decide your real budget. Data year: 2026.
Estimate only — not tax or financial advice. This tool estimates affordability only. It is not a rental approval, a credit decision, or financial advice. Always verify current figures with the official source or a qualified adviser before making decisions.
Affiliate disclosure: Some links below may earn us a commission at no extra cost to you — see our affiliate disclosure.
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