Budget Calculator
Build and analyze your monthly budget using the popular 50/30/20 rule. Customize every category and see immediately where you stand. Cost of living varies enormously by country — adjust for yours.
📊 The 50/30/20 rule: 50% needs, 30% wants, 20% savings. Popular in the US/UK/AU — adjust for your country's cost of living.
🏠 Needs
🎯 Wants
💰 Savings
The 50/30/20 Rule
50%
Needs
Housing, food, utilities, transport, insurance
30%
Wants
Dining, entertainment, shopping, subscriptions
20%
Savings
Emergency fund, retirement, investments, debt
Cost of Living Context by Country
The 50/30/20 rule works as a starting point, but typical housing costs vary so widely internationally that the percentages must be adjusted:
| City | Avg 1BR Rent/mo | % of $5k/mo income | Budget Adjustment |
|---|---|---|---|
| 🇺🇸 New York City | $3,500 USD | 70% | Needs budget 70%+ |
| 🇺🇸 Austin, TX | $1,600 USD | 32% | 50/30/20 feasible |
| 🇬🇧 London | £2,000 (~$2,500) | 50% | 50/30/20 borderline |
| 🇨🇦 Toronto | $2,400 CAD | 48% CAD | 55/25/20 more realistic |
| 🇦🇺 Sydney | $3,200 AUD | 64% AUD | Needs 60%+ |
| 🇩🇪 Berlin | €1,500 | 30% | 50/30/20 achievable |