South Korea net salary 2026: gross to net explained
Your net salary in South Korea is your gross pay minus income tax, local income tax and the four social insurances. The calculator above applies the 2026 rules to your own details. Below you will find typical amounts, a worked example and answers to common questions.
Table: gross to net in South Korea, 2026
| Gross / month | Net / month | Tax and contributions |
|---|---|---|
| ₩2,000,000 | ₩1,777,641 | 11.1% |
| ₩3,000,000 | ₩2,609,775 | 13.0% |
| ₩4,000,000 | ₩3,379,127 | 15.5% |
| ₩6,000,000 | ₩4,887,414 | 18.5% |
| ₩8,000,000 | ₩6,295,913 | 21.3% |
| ₩10,000,000 | ₩7,650,563 | 23.5% |
For a single employee aged 35 with no children and 12 payments a year, using the calculator’s standard settings. Enter your own details above for your exact figure.
Worked example: ₩4,000,000 gross a month
- Annual gross: ₩48,000,000
- National pension 4.75%: −₩2,280,000
- Health insurance 3.595%: −₩1,725,600
- Long-term care insurance (13.14% of the health premium): −₩226,744
- Employment insurance 0.9%: −₩432,000
- Income tax: −₩2,532,848
- Local income tax (10% of income tax): −₩253,285
- Net per year: ₩40,549,523
- That is ₩3,379,127 a month over 12 payments a year.
What it costs the employer
At ₩4,000,000 gross a month, the employer also pays ₩4,784,344 a year in social-security contributions, so the total cost of the job is ₩52,784,344 a year. You take home 76.8% of that amount.
Frequently asked questions
How much is ₩4,000,000 gross in net pay in South Korea?
About ₩3,379,127 a month (₩40,549,523 a year) with 12 payments a year, for a single employee aged 35 without children, under the 2026 rules.
How much of my salary goes to tax and contributions?
At ₩4,000,000 a month, income tax takes 5.8% and employee social security 9.7% of gross pay, 15.5% in total. At ₩10,000,000 a month the total share is 23.5%.
What is the marginal rate?
It is the part of each extra unit of gross pay that goes to tax and contributions. At ₩4,000,000 a month it is 23.8%, so a raise adds less to your net pay than your average rate suggests.
Are these figures exact?
They are estimates based on the official 2026 rules shown under “Rules applied (2026)” above, which are checked against official calculators and examples. Your payslip can differ because of local taxes, benefits, collective agreements or personal allowances.
Rules and official sources: see “Rules applied (2026)” above. Last checked: October 2026. The amounts are estimates for information, not tax advice.