50/30/20 Kalkulator pravila proračuna

The 50/30/20 Budget Rule is a personal-finance framework that splits your after-tax (take-home) income into three buckets: 50% for Needs, 30% for Wants, and 20% for Savings and debt repayment. It was popularized by US Senator Elizabeth Warren and her daughter Amelia Warren Tyagi in their 2005 book All Your Worth: The Ultimate Lifetime Money Plan, where they argued that the most important budgeting decision is not what coffee you skip but what proportion of income goes to fixed essential commitments. The framework has since exploded in popularity on TikTok and Instagram as a beginner-friendly alternative to the spreadsheet-heavy zero-based budgeting methods championed by older personal-finance gurus. The rule's enduring appeal lies in its simplicity. Most beginner budgets fail because they require tracking dozens of micro-categories — restaurants, coffee, subscriptions, gas, groceries — and reconciling them every week. The 50/30/20 approach collapses all spending into just three buckets, which lets new budgeters succeed at the most important goal (consistent saving) without burning out on tracking. Once the macro-level allocation is right, the micro-level decisions tend to take care of themselves. Needs (50%) covers housing, utilities, groceries, transportation, insurance, and minimum debt payments — the expenses you cannot legally or practically avoid without major life consequences. Wants (30%) covers everything optional: dining out, streaming services, hobbies, clothing beyond basics, travel, and entertainment. Savings (20%) covers emergency fund contributions, retirement deposits, brokerage investments, and any debt payments above the minimum. The 20% bucket is the wealth-building engine; the other two are operational. This calculator helps you instantly see your three targets given any monthly after-tax income, compare your actual spending against those targets, and project the annual impact of consistently saving 20%. The visual breakdown and comparison feature make it easy to test different income scenarios — like a raise, a side hustle, or a move to a lower cost-of-living area — and see how your budget changes.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

1. 1Step 1 — Calculate Your After-Tax Income: Start with your monthly take-home pay, not gross salary. If you are paid biweekly, multiply one paycheck by 2.17 (52 weeks ÷ 24 months) for a more accurate monthly figure. Include any consistent secondary income (side hustles, rental income, dividends) that you can reliably count on.
2. 2Step 2 — Multiply by Each Bucket Percentage: Your three targets are simply Income × 0.50 for Needs, Income × 0.30 for Wants, and Income × 0.20 for Savings. The calculator does this automatically — no spreadsheets or apps required. These are targets, not hard limits; they give you a benchmark to aim for and a signal when things are out of balance.
3. 3Step 3 — Identify Your Needs vs Wants: This is the hardest part. A useful test: if you stopped paying this expense, would you face legal trouble, lose housing, or be unable to work? If yes, it is a Need. If you could stop paying and life would just be less fun, it is a Want. Internet might be a Need if you work from home; cable TV is almost always a Want.
4. 4Step 4 — Track Actual Spending (Optional): Most people overestimate their needs and underestimate their wants. Pulling three months of bank and credit card statements and categorizing each expense gives you a baseline. The calculator lets you enter actual spending in each bucket and shows whether you are over, under, or on track.
5. 5Step 5 — Automate the 20% Savings: The single most powerful behavior in this system is automating the savings transfer to happen the day after payday. When 20% leaves your checking account immediately, your spending naturally adjusts to the remaining 80%. People who manually save what is left at month-end almost never hit the 20% target consistently.
6. 6Step 6 — Adjust for Reality: If your needs exceed 50% — common in high-cost cities — consider a 60/20/20 or 70/20/10 variant as a temporary measure while you work on income or housing. The goal is forward progress, not perfection. A consistent 10% savings rate beats an aspirational 20% you never hit.
7. 7Step 7 — Review Quarterly: Re-run the calculator every three months as income changes, expenses shift, or financial goals evolve. A raise should mostly flow to savings (not lifestyle inflation), while a temporary income drop may require shifting to a more conservative variant until things stabilize.

• !Using gross (pre-tax) income instead of net (take-home) income — this inflates your spending targets and leads to chronic under-saving because the percentages no longer reflect what hits your bank account.
• !Categorizing minimum debt payments as 'savings' when they belong in 'needs' — only payments above the legally required minimum count toward the 20% savings bucket, because the minimum is non-discretionary.
• !Treating recurring subscriptions and 'small' charges as needs when most streaming, gym, app, and software subscriptions are clearly wants — they have no legal or survival consequence if cancelled.
• !Ignoring the rule entirely when income is too low — it is better to use a modified 70/20/10 variant and save 10% consistently than to abandon budgeting because the classic version feels impossible.
• !Forgetting to recalculate after a raise or job change — lifestyle inflation often absorbs the entire raise within months. The discipline is to maintain spending and direct the raise to savings.