Budget Calculator
List expenses one per line and the tool shows what is left, your savings rate and the three biggest costs.
How Budget Calculator works
Track monthly income against expenses and see your savings rate instantly, plus the three biggest costs in the list. Everything happens inside this page: the tool reads your input, runs the calculation or conversion locally, and hands the result back to you. Nothing is transmitted, because there is no backend to transmit it to.
That design choice is deliberate. Most free tool sites upload your files to a server, process them there, and quietly keep a copy. Toolcin cannot do that — the site is a set of static files. If your connection dropped the moment the page finished loading, every tool would still work.
One line per expense
Enter monthly income, then list expenses as Name | Amount, one per line. The tool totals them, shows what is left, and calculates your savings rate as a percentage of income.
It also ranks the three largest costs, which is usually more actionable than the total. Most budgets fail on one or two categories, not on twenty small ones.
Savings rate is the number that matters
Savings rate is (income − expenses) ÷ income. Saving 20,000 of 150,000 is 13.3%; the same amount on 80,000 is 25%. Comparing absolute savings between two people tells you almost nothing.
A negative savings rate is a deficit, and the tool shows it as such rather than clamping to zero — a month that spends 10,000 more than it earns is exactly the month worth seeing clearly.
| Income | Expenses | Left | Savings rate |
|---|---|---|---|
| 150,000 | 116,000 | 34,000 | 22.7% |
| 150,000 | 150,000 | 0 | 0% |
| 150,000 | 165,000 | −15,000 | −10% |
What a monthly view hides
Annual costs — insurance, school fees, car servicing — do not appear in a normal month and then arrive all at once. Dividing each annual cost by twelve and entering that figure gives a budget that survives the year.
Irregular income needs the opposite treatment: budget on the lowest reliable month, not the average, or the good months quietly fund the bad ones.
Good to know
- Works offline once loaded, including on flights and in locked-down networks.
- No file size limit beyond your device's own memory.
- Free to use, with no account and no usage counter.
- Results are produced locally, so they are not logged or shared with anyone.
Questions
Is anything uploaded when I use Budget Calculator?
No — everything runs inside your browser, so the data you enter never leaves your device.
Can I use the result commercially?
Yes, whatever you generate or calculate here is yours to use.
Does it store my budget?
No. It exists only in the tab; closing it loses the numbers.
Can I export it?
Not in this version. Copy the results into your spreadsheet if you need a record.
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