Budget Calculator
Take control of your cash flow with the 50/30/20 rule.
Budget Calculator — Frequently Asked Questions
What is the 50/30/20 budget rule?
The 50/30/20 rule is a simple budgeting framework popularized by Senator Elizabeth Warren. It says to allocate 50% of your after-tax income to needs (rent, groceries, utilities, minimum debt payments), 30% to wants (dining out, subscriptions, hobbies), and 20% to savings and extra debt repayment. It's a guideline, not a law — your ideal split depends on your income, cost of living, and goals.
What counts as 'needs' vs. 'wants' in a budget?
Needs are expenses you truly cannot live without or legally must pay: housing, basic groceries, utilities, transportation to work, insurance, and minimum loan payments. Wants are everything that improves your lifestyle but isn't essential: restaurants, streaming services, gym memberships, travel, and entertainment. The line can be blurry — a car might be a need in a suburb, a want in a city with good transit.
What if my needs take up more than 50% of my income?
This is common, especially in high cost-of-living cities. If needs exceed 50%, the first step is to look for the largest line items — usually housing and transportation — and explore whether there are lower-cost alternatives (roommates, refinancing, or moving). If that's not possible, cut from wants first. The 20% savings target is the most important to protect.
How much should I save each month?
A general benchmark is saving at least 20% of after-tax income. At minimum, aim to build a 3–6 month emergency fund first (in a high-yield savings account), then maximize any employer 401(k) match (that's an instant 50–100% return), then contribute to a Roth IRA or TFSA. If 20% isn't achievable right away, start at 5–10% and increase by 1% each time you get a raise.
Should I use the 50/30/20 rule or zero-based budgeting?
The 50/30/20 rule is better for beginners or people who want a low-maintenance system — it's fast to track and flexible. Zero-based budgeting (assigning every dollar a job) is better for people who want maximum control and are paying off debt aggressively. Many people start with 50/30/20 and switch to zero-based when they have a specific financial goal.
How do I handle irregular expenses in a monthly budget?
Irregular expenses (car insurance, annual subscriptions, holiday gifts, medical) are the biggest budget-busters. The fix is to estimate your annual total for these, divide by 12, and treat that monthly amount as a fixed expense — transfer it to a separate savings 'sinkhole' account. When the bill arrives, the money is already waiting. Common irregular costs to plan for: $200–500/year per vehicle for maintenance, $500–2,000 for holidays, and 1% of home value annually for repairs.