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📋 Budget Calculator

Plan your monthly budget — track income, expenses and savings.

Monthly Income

Monthly Expenses


What is a Budget Calculator?

A budget calculator is a personal finance tool that helps you plan, track, and manage your income and expenses. By categorizing your spending and comparing it to your income, our free online budget planner shows you where your money goes and helps identify areas where you can save more.

The 50/30/20 Budgeting Rule

The popular 50/30/20 rule divides your after-tax income into three categories: 50% for needs (rent, groceries, utilities, EMIs), 30% for wants (dining out, entertainment, shopping), and 20% for savings and debt repayment. This simple framework is an excellent starting point for anyone new to budgeting.

How to Create a Monthly Budget

List all income sources. List all fixed expenses (rent, EMI, subscriptions). List variable expenses (food, transport, entertainment). Subtract total expenses from income. If the result is negative, identify areas to cut. Allocate remaining money to savings and investments before spending on wants.

Zero-Based Budgeting

Zero-based budgeting assigns every rupee of income a specific purpose so income minus expenses equals zero. This does not mean spending everything — savings and investments count as expenses in this system. This method gives maximum control over your money and prevents mindless spending.

Why Most People Fail at Budgeting

The biggest budgeting mistakes are: being too restrictive (unsustainable), not tracking spending (guessing instead of knowing), forgetting irregular expenses (annual insurance, car maintenance), and not reviewing the budget monthly. A good budget is flexible, realistic, and reviewed regularly.

Frequently Asked Questions

What is a budget calculator?

A budget calculator helps you track your income and expenses to understand where your money goes and plan your finances better.

What is the 50/30/20 rule?

The 50/30/20 rule suggests spending 50% on needs, 30% on wants, and saving 20% of your income. It is a simple budgeting framework.

How often should I review my budget?

Review your budget at least once a month to track actual spending versus planned spending and make adjustments as needed.

What expenses should I include?

Include all fixed expenses (rent, EMI, insurance), variable expenses (food, utilities, transport), and discretionary spending (entertainment, dining out).