Budget Calculator
NewPlan and manage your personal monthly budget
How to Use Budget Calculator
- 1Add income sources with amounts
- 2Add expense categories with amounts
- 3See total income, total expenses, and remaining balance
- 4Export your budget as a summary
About Budget Calculator
Track your monthly income and expenses with this intuitive budget calculator. Whether you're planning your household budget, tracking a side hustle, or managing expenses for a project, this tool gives you instant clarity on your financial situation.
Add multiple income sources (salary, freelance, investments, side gigs) and expense categories (rent, utilities, groceries, entertainment, savings). The calculator automatically totals each section and displays your remaining balance. A visual pie chart shows your spending breakdown by category.
All calculations run entirely in your browser — no server communication, no account required, complete privacy. Your budget data is stored locally and persists between sessions.
Key Features of Budget Calculator
- Multiple income sources with custom labels
- Unlimited expense categories with amounts
- Automatic calculation of totals and remaining balance
- Visual pie chart showing expense breakdown by category
- Percentage display for each expense category
- Edit or delete any entry at any time
- Export budget summary as PDF or CSV
- Auto-save to localStorage with no account required
Examples
Monthly household budget
Track salary income and common household expenses.
Input
Income: Salary $5,500, Freelance $500. Expenses: Rent $1,800, Groceries $600, Utilities $200
Output
Total Income: $6,000, Total Expenses: $2,600, Remaining: $3,400
Freelance project budget
Calculate profitability of a client project.
Input
Income: Project fee $8,000. Expenses: Software $100, Subcontractor $2,000, Taxes $1,600
Output
Total Income: $8,000, Total Expenses: $3,700, Net Profit: $4,300 (54%)
Common Use Cases
- Monthly household budget planning and tracking
- Freelance or side hustle profitability analysis
- Event budget management (weddings, conferences, trips)
- Small business expense tracking
- College student budget management
- Financial goal planning with expense awareness
Troubleshooting
Negative remaining balance shown
Solution
This means your expenses exceed your income. Review your expense categories and identify areas to reduce spending.
Chart not displaying correctly
Solution
The pie chart requires at least one expense entry with a positive value. Ensure all amounts are numbers (no currency symbols in the input fields).
Budget data lost after clearing browser
Solution
Budget data is stored in localStorage. Export your budget regularly (PDF or CSV) to create backups.
Frequently Asked Questions
Is my financial data private?
Yes, all calculations run entirely in your browser and data is stored locally. Nothing is sent to any server or shared with third parties.
Can I track weekly or yearly budgets?
Yes, the calculator works for any time period. Just label your budget appropriately and enter corresponding values.
What export formats are available?
You can export your budget summary as a PDF document (printable format) or CSV file (for spreadsheets and further analysis).
What is a healthy remaining balance percentage?
Financial advisors typically recommend the 50/30/20 rule: 50% needs, 30% wants, 20% savings/debt.
What export formats are available?
You can export your budget summary as a PDF document or CSV file for spreadsheets and further analysis.
Does the calculator support multiple currencies?
The calculator is currency-agnostic. Enter amounts as plain numbers and add currency symbols in labels if desired.
Can I include irregular or annual expenses?
Yes, add them as separate categories. For annual expenses, divide by 12 to get the monthly allocation.
What is a healthy remaining balance percentage?
Financial advisors typically recommend the 50/30/20 rule: 50% needs, 30% wants, 20% savings/debt. Aim for at least 20% remaining after essential expenses.