Estimate your net (take-home) salary after entering your total deduction percentage (tax, insurance, etc.).
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Net salary is the amount an employee actually takes home after all deductions are subtracted from gross salary (base pay plus any allowances or bonuses included in the pay calculation). Deduction types and rates vary enormously between countries — income tax brackets, social insurance contributions, health insurance premiums, and other mandatory or voluntary deductions all differ by jurisdiction and sometimes by income level — so this calculator relies on a total deduction percentage the user enters themselves, rather than assuming a specific country's tax structure that might not apply to their situation. The underlying formula is simple: net salary = gross salary × (1 − total deduction percentage), and the most reliable way to find your own accurate percentage is checking a recent pay slip, where the employer has already calculated all applicable deductions specific to your country, income level, and personal circumstances, or consulting your country's official tax authority resources if you're estimating for a new job offer rather than an existing paycheck.
A calculator that simply asked for gross salary and applied a single fixed tax rate would give a wrong, sometimes very wrong, answer for the vast majority of users — because how much of a paycheck disappears into deductions before it reaches your bank account depends heavily on where you live, and often on how much you earn.
Income tax systems alone vary enormously between countries: some use a single flat rate applied to all income, others use progressive brackets where increasing portions of income are taxed at higher rates as you earn more, and effective tax rates for otherwise similar salaries can differ by many percentage points between countries with fundamentally different tax philosophies.
Beyond income tax, mandatory social insurance and health insurance contributions add another layer of variation — some countries fund these primarily through employer contributions with minimal employee deduction, others split the burden more evenly, and the specific percentages can also shift based on income thresholds, employment type, or optional benefit elections an employee has made.
Rather than trying to hard-code dozens of different national tax systems (which would also require constant updates as tax laws change), this calculator asks for a single all-in deduction percentage, letting you supply the number that's actually accurate for your specific situation rather than a generic approximation that might be significantly wrong for your country or income bracket.
The most reliable source for that percentage is your own recent pay slip, where an employer's payroll system has already correctly applied every deduction specific to your jurisdiction, income level, and any elected benefits — simply dividing your net pay by your gross pay on that slip gives you your real, accurate take-home percentage to use here, which is considerably more reliable than any generic calculator could estimate on your behalf.
Tax and social insurance rates vary widely by country and even by income level, so a single accurate formula for everyone isn't possible — entering your own known deduction percentage gives a more reliable estimate.
Check a recent payslip, or your country's official tax and social insurance authority website.
Actual deductions vary by employer benefits, additional withholdings, local tax rules, and personal exemptions, so this calculator gives a useful estimate rather than a guaranteed exact figure.