Net Salary Calculator

How to use the Net Salary Calculator

1. Enter gross pay and its period. Gross is the amount before any deduction. If your contract states an annual salary, choose Annual and the tool converts it to a monthly figure; if you are paid hourly, choose Hourly and add your usual hours per week. Mixing periods — an annual gross with monthly deductions, for example — is the commonest arithmetic error here, so the tool converts everything to one pay period before subtracting anything.
2. Add deductions one line at a time. For each deduction, choose whether it is a percentage of gross or a fixed amount, and type the figure from your payslip, contract or tax notice. Percentages are capped at 100% in the calculation, and the validation will flag a percentage outside 0–100% rather than silently accepting it.
3. Read the three net figures together. The tool shows net per pay period, monthly and annual, plus deductions as a share of gross. The share is the most useful number for comparing offers: two jobs with the same gross can leave very different net pay once deductions differ, and the share makes that difference visible at a glance.
4. Test a change before you agree to it. Add a pension contribution, raise a tax percentage, or switch a fixed amount to a percentage, and watch the net figure move. That is the honest use of an estimator: not to predict a payslip to the cent, but to show which change matters and which barely moves the result.
5. Download only as an estimate. The PDF carries the same heading as this page — “Net pay estimate. Not a pay slip.” — on its first line. Do not edit that heading out, and do not send the file where proof of income is required; a real payslip comes from an employer, and no browser tool can substitute for it.

Worked example

The sample uses a monthly gross of $3,000 with three user-entered deductions: income tax at 10% of gross, a pension contribution at 5% of gross, and health cover at a fixed $50. The percentages give $300 and $150, so total deductions are $300 + $150 + $50 = $500. Net pay per pay period is $3,000 − $500 = $2,500, and the annual net is $2,500 × 12 = $30,000. Deductions as a share of gross are $500 ÷ $3,000 = 16.67%. Every figure in that paragraph can be checked with a pocket calculator, because the tool's entire model is one subtraction: net = gross − total deductions, where percentages are first converted to amounts on the gross you entered. There are no brackets, thresholds, allowances or employer contributions hidden in the calculation, which is exactly why the result is labelled an estimate rather than a payslip figure.

What this tool does, and what it deliberately does not

This tool answers one question: given a gross figure and a list of deductions you supply, what is left? It answers it with the working shown, in three periods, with no account and no upload. That narrowness is the point. Most take-home calculators on the web ship a tax table for one country, apply it silently, and present the result as if it were your payslip. When the table is out of date, or for the wrong filing status, or for a different region, the confident number is simply wrong — and the user has no way to see why.

What this tool does not do follows from that choice. It does not compute income tax from brackets, does not apply social-security ceilings, does not model allowances, overtime rules, bonuses, benefits in kind or employer contributions, and does not convert currencies. If your real pay involves any of those, your estimate will differ from your payslip, and the difference is information: it tells you which of your deductions are not yet in the list, or which of your entered figures came from the wrong document.

On privacy: salary figures are among the most sensitive numbers a person types into a website. This tool keeps them in the browser, offers draft saving only as an opt-in, and warns against saving on a shared device. There is no server copy to leak, and also no server copy to recover — keep your own notes if the figures matter.

Common errors, and the limits of this tool

The commonest error is entering a net figure as if it were gross, which double-subtracts every deduction and produces a reassuringly low number that looks like prudence and is actually just wrong. Check the first line of your payslip or contract: the figure labelled gross, before deductions, is the input. The second error is entering an annual deduction against a monthly gross, or vice versa — the tool converts gross across periods but takes each deduction amount as per pay period, so a yearly amount typed into a monthly calculation will be subtracted twelve times too often.

The third error is treating the estimate as a promise. Real payroll applies rounding, pay-date rules, mid-month changes and corrections that a one-line subtraction cannot reproduce. Use the estimate to plan and compare; use the actual payslip, when it arrives, as the record. And never present this output as proof of income: it proves only that someone typed numbers into a calculator, which is not evidence about anyone's employment or earnings.

The limits are stated on the page rather than buried: no tax tables, no brackets, no allowances, no employer-cost view, no currency conversion, and PDF text in standard fonts (characters outside Latin-1 may show as a question mark — check the download). The tool is English-only at launch.

Frequently asked questions