Enter your gross annual salary or monthly pay and this calculator deducts Korea's National Pension, Health Insurance, Long-Term Care and Employment Insurance, plus income and local income tax, to show estimated monthly and yearly take-home pay with an itemized deduction table. It accounts for your non-taxable amount, dependents, children under 20 and the withholding rate (80/100/120%), so you can check the number fast during hiring, a job change or a salary negotiation. Everything runs in your browser.
Enter an amount to see your estimated take-home pay.
The figure people mean by an annual salary is the gross amount, before taxes and insurance are withheld. What actually lands in your account is the take-home pay left after Korea's four major insurances (National Pension, Health Insurance, Long-Term Care, Employment Insurance) and income and local income tax: roughly 8–18% of the gross depending on the salary band. So the same 'salary' can feel very different depending on whether you compare it gross or net.
Enter a gross annual or monthly figure and this calculator breaks out how much each item takes, and computes both monthly and yearly take-home pay. Seeing which deduction reduces your net pay the most makes it easier to understand the structure: useful especially for someone reading their first payslip.
Take-home pay isn't set by the salary figure alone. A non-taxable amount such as a meal allowance is excluded from the tax and insurance base, so a larger non-taxable amount raises your net pay. The number of dependents and children under 20 lowers income tax, and the withholding rate you choose (80/100/120%) shifts how much tax is taken each month.
The withholding rate is the piece most people misread. Choosing 80% withholds less each month: raising monthly net pay, but you may owe more at year-end settlement; 120% does the opposite, withholding more monthly with a better chance of a refund. The total annual tax is the same either way, so it comes down to whether you'd rather have the money monthly or at settlement.
This calculator gives an estimate that approximates the latest insurance rates and Korea's simplified withholding tax table. It does not account for company-specific non-taxable items, bonuses, mid-year joining or leaving, various deductions, or your final year-end settlement, so it can differ from your actual payslip. For an exact figure, check Hometax or your payroll department.
It's still useful precisely because it's fast: when comparing job offers or setting a negotiation target, you can grasp roughly what a given salary means per month in seconds. Try several figures to map out your negotiation range.
What it is, who it's for, how it works and why you'd use it.
A Salary Net Pay Calculator takes a gross annual salary or monthly pay in Korea and shows the estimated monthly and yearly take-home pay after the four major insurances and income & local taxes, with an itemized deduction breakdown.
It is for office workers heading into a salary negotiation or job change, job seekers comparing offers, and HR, PMs or developers who need a quick estimate of net pay.
Enter an annual or monthly amount; the calculator subtracts the non-taxable portion, computes National Pension, Health, Long-Term Care and Employment Insurance on the taxable base, and approximates income and local tax from Korea's simplified withholding tax table. It reflects the number of dependents, children under 20 and the chosen withholding rate.
Unlike ad-heavy calculators with long forms, it returns a result the moment you type, so you can finish a salary comparison or negotiation check in seconds.