Budget Calculator

Create a monthly budget and track your expenses and income.

✅ Free 📅 Updated 22.9.2026 Taxation 2026

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About this calculator

What is a Budget Calculator – personal finance budget?

The budget calculator helps you build a monthly budget by categorizing income and expenses. It reveals where your money goes and helps identify savings potential.

The calculator is free, works in your browser without registration, and provides results instantly. All calculations are based on standard formulas; always check the rules that apply where you live.

Formula and calculation principle

Surplus/Deficit = Total Income − Total Expenses

The calculator performs the calculation automatically as soon as you enter values into the fields. Results are rounded to two decimal places.

Practical example

Income: net salary $2,400. Expenses: rent $850, food $350, transportation $120, insurance $80, entertainment $150, others $200 = $1,750. Surplus: $650/month.

You can adjust the calculator’s values according to your situation and get an updated result instantly. Try different scenarios to compare options.

Who is the calculator suitable for?

The calculator is designed for individuals, entrepreneurs, and professionals who need quick and reliable calculations. All calculators are completely free and do not require registration or personal information.

Students and schoolchildren can also benefit from the calculator for learning purposes – the calculator shows not only the result but also the calculation principle, which helps understand the mathematics behind it.

Tips and considerations

  • Try the 50/30/20 rule: 50% for needs, 30% for wants, 20% for savings.
  • Track actual expenses once a month and compare them to the budget.
  • Keep an emergency fund of 3–6 months’ worth of expenses in a separate account.


Frequently Asked Questions