South Korea 3.3% withholding calculator
Calculate gross contract value and net KRW using South Korea’s 3.3% business-income withholding assumption. Recheck current official rules before payment or filing.
Input
This South Korea KRW estimate applies the Income Tax Act’s 3% rate for withholding-target business income and preserves the current calculator’s 0.3% local-income-tax assumption. Withholding is not final tax; recheck classification and current official rules before payment or filing.
Result
Enter a KRW amount on the left to see South Korea withholding and net pay.
- Gross contract value
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- Net amount
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- Business income tax 3.0%
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- Local income tax 0.3%
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- Total withholding 3.3%
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How to read South Korea 3.3% business-income withholding in KRW
South Korea’s Income Tax Act Article 129 sets a 3% rate for withholding-target business income. This tool preserves the Korean calculator’s 0.3% local-income-tax assumption and shows the KRW net.
Withholding does not determine final South Korea tax. Recheck current official facts, income classification, local tax, and contract terms before payment or filing.
Confirm South Korea business-income classification
The 3.3% model assumes withholding-target business income in South Korea.
Do not apply this KRW estimate to wages or other income categories.
- Confirm the payment’s nature
- Confirm the income classification
- Compare the contract and payment statement
Calculate the 3% income-tax component
South Korea Income Tax Act Article 129 specifies 3% for withholding-target business income.
On gross KRW 1,000,000, this component is KRW 30,000.
Keep the 0.3% local-tax assumption separate
The current Korean calculator preserves a 0.3% local-income-tax assumption.
Recheck its application and current rate in South Korea official sources.
Read net pay as 96.7%
The preserved model subtracts 3.3% and displays 96.7% as net KRW.
It excludes VAT and separate deductions.
- Check gross KRW
- Check 3.3% withholding
- Check estimated net KRW
Reverse from desired net KRW
Divide desired net KRW by 0.967 to estimate gross contract value.
This arithmetic does not determine income classification.
- Enter desired net KRW
- Review the division by 0.967
- Confirm gross KRW and rounding
Check KRW rounding
Displayed results round to the nearest KRW.
A payer may use a different truncation order.
Separate withholding from final tax
South Korea withholding is collected at payment time.
Final filing can reflect expenses and other income.
Read the KRW 1,000,000 example
The model shows KRW 30,000 income tax, KRW 3,000 local-tax assumption, and KRW 33,000 total withholding.
Estimated net pay is KRW 967,000.
Know what is excluded
VAT, social insurance, expenses, and final filing results are not calculated.
Check the contract and payment statement separately.
- VAT is separate
- Social insurance is separate
- Expenses and final filing are separate
Recheck current South Korea facts
Sources were checked on 2026-08-10.
Recheck Income Tax Act Articles 129 and 70 and official guidance before payment or filing.
- Current Articles 129 and 70
- Income classification and contract terms
- Official guidance at payment or filing
South Korea 3.3% calculator FAQ
QWhat makes up 3.3%?
For South Korea, this calculator combines the 3% business-income withholding rate with its preserved 0.3% local-income-tax assumption. Recheck current official rules.
QWhat is the net from KRW 1,000,000?
Under the South Korea 3.3% assumption, withholding is KRW 33,000 and estimated net pay is KRW 967,000.
QWhat gross gives KRW 967,000 net?
Divide the desired KRW net by 0.967, giving KRW 1,000,000.
QDoes withholding finish my tax filing?
No. South Korea final tax and filing obligations can differ; recheck current official guidance.
QDoes this include VAT?
No. It only estimates South Korea business-income withholding in KRW.
QWhy can the paid amount differ?
This tool rounds to the nearest KRW. A payer’s truncation and settlement process may differ.
QDoes every freelancer use 3.3%?
No. Confirm that the payment is withholding-target business income under South Korea rules.
QWhich official facts should I check?
Recheck the current South Korea Income Tax Act Articles 129 and 70.
South Korea primary law
Sources checked 2026-08-10: South Korea Income Tax Act Articles 129 and 70. The 0.3% local-income-tax figure preserves the current Korean calculator assumption; recheck current official facts before payment or filing.