BudgetWiz Tools
Budget calculator.
Enter your monthly income and expenses to see exactly where your money goes — and where you can take back control.
Spending breakdown
Monthly income
$0
Total expenses
$0
Left over
0% of income$0/mo
Annual picture
50 / 30 / 20 guide
Enter your income to see recommended amounts.
The basics
What is a budget?
A budget is a plan for your money. It tells every dollar where to go before the month starts, instead of wondering where it went after. At its core, a budget is just two numbers: what comes in and what goes out.
When your income is greater than your expenses, you have room to save, invest, and build. When it's not, a budget shows you exactly where the gap is. Budgeting isn't about restriction, it's about intention. The people who feel most in control of their finances aren't the ones earning the most, they're the ones who know where their money is going.
Step by step
How to use the calculator.
Enter your monthly income
Start with your take-home pay. What hits your account after tax. Add any other regular income like freelance or side work.
Fill in your expenses by category
Work through each section. Housing, Food, Transport, Savings & Debt, and Lifestyle. Use your last account statement if unsure.
Watch your breakdown update live
The donut chart and summary panel update as you type. See your spending split by category and exactly how much is left.
Check the annual picture
See your numbers projected over a full year. A small monthly surplus compounds fast, and so does a small deficit.
Adjust until it works
If you're over budget, trim variable expenses first. If you have surplus, assign it now. Savings, emergency fund, or debt.
Pro tips
Budgeting tips that actually work.
Budget to zero
Every dollar of income should have a destination. Expenses, savings, or debt. Money with no plan disappears.
Pay yourself first
Move money into savings the same day you get paid. What's left is what you spend. Saving last means saving nothing.
Review monthly, not yearly
Life changes. Your budget should too. Set a recurring reminder on the first of each month to check in.
Don't forget irregular expenses
Car registration, insurance renewals, birthdays. Divide the annual cost by 12 and add it as a monthly line item.
Target high-interest debt first
Paying off credit card debt at 20% interest is a better return than any savings account.
Keep your emergency fund separate
Put it in a different account from your everyday spending. Out of sight, out of mind - until you need it.
Glossary
Budgeting terms explained.
Net income
Your take-home pay after taxes and deductions. Always budget from this number, not your gross.
Fixed expenses
Costs that stay the same every month. Rent, loan payments, subscriptions.
Variable expenses
Costs that change month to month. Groceries, fuel, dining out. Where most people overspend.
Discretionary spending
Money spent on wants, not needs. The first place to cut when you're over budget.
Emergency fund
3–6 months of expenses kept liquid. Your financial safety net.
50/30/20 rule
50% on needs, 30% on wants, 20% on savings and debt. A simple starting framework.
Zero-based budgeting
Every dollar of income is assigned a job until you reach zero leftover.
Debt-to-income ratio
Monthly debt payments divided by gross income. Below 36% is generally healthy.