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salaryapi.com

South Korea gross to net salary calculator

Estimate South Korea annual and monthly net salary from gross annual KRW base salary with resident employment income tax, local income tax, National Pension, health insurance, long-term care insurance, and employment insurance assumptions.

Net Salary API

South Korea payroll inputs

South Korea estimates apply the statutory employment-income deduction before resident tax brackets from 6% to 45%, local income tax at 10% of income tax, employee National Pension at 4.75% with a KRW 400,000 to KRW 6,370,000 monthly base from January through June 2026 and KRW 410,000 to KRW 6,590,000 from July through December, National Health Insurance, long-term care insurance, and employment insurance.

Estimate scope

Calculations are simplified gross-to-net estimates for regular base salary and an entered taxable bonus. Equity, benefits, personal tax credits, and payroll timing differences are outside the estimate.