Monthly Budget Calculator: Plan Needs, Wants, and Savings
A monthly budget calculator is useful when it makes trade-offs visible without pretending there is one perfect budget. Enter take-home income and monthly totals for needs, wants, and savings or extra debt payments. This calculator runs in your browser and does not send or save the numbers.
Try the monthly budget calculator
Enter numbers in your own currency. Use take-home income after tax.
Your totals will appear here. This tool does not store your entries.
What does 50/30/20 mean?
It is one common framework: 50% of take-home income toward needs, 30% toward wants, and 20% toward savings goals. The CFPB presents it as one rule people might use, while noting that not everyone can follow it. Your housing costs, family responsibilities, location, income timing, and debt can make a different split more realistic.
Make the monthly numbers complete
Use several months of bank and card statements. Include irregular costs such as insurance, school fees, medical expenses, repairs, gifts, annual subscriptions, and travel. Divide yearly costs by 12 to create a monthly planning amount. Keep an “other” category so small surprises don’t disappear from the plan.
How to use the result
If spending exceeds income, identify which changes are possible and which costs are fixed. If a category is above its guide, that is information—not a failure. Try one specific change, such as reviewing a recurring subscription or planning groceries, then compare the next month. Do not enter account numbers or sensitive details into a budgeting tool.
Next action: note one upcoming irregular expense and set aside a monthly amount for it. Then use the loan prepayment comparison guide → if a debt payment is part of your plan.
Method reference: CFPB budget activity guide. This general tool is educational, not financial advice.