Withholding Tax
Korea's business-income withholding is 3% income tax plus 0.3% local tax, or 3.3% in total. What is left after that is what reaches your account.
Your numbers
Net amount
2,901,000
Tax
99,000
Formula
Net amount = Gross amount × (1 − Rate ÷ 100)
The withheld amount is settled when you file your annual return — with low income much of it comes back as a refund.
What to enter
| Input | Default | Accepted range |
|---|---|---|
| Gross amountThe contracted amount before any deduction. | 3,000,000 | 0 and up |
| Rate (%)The rate applied — usually per year. | 3.3 | 0 and up |
Step by step
Quick reference table
Results when only Gross amount changes and everything else stays put.
| Gross amount | Net amount | Tax |
|---|---|---|
| 1,500,000 | 1,450,500 | 49,500 |
| 2,250,000 | 2,175,750 | 74,250 |
| 3,000,000 | 2,901,000 | 99,000 |
| 4,500,000 | 4,351,500 | 148,500 |
| 6,000,000 | 5,802,000 | 198,000 |
What each result means
| Result | At default values |
|---|---|
| Net amountWhat lands in your account after tax. | 2,901,000 |
| TaxThe tax withheld or charged, as money. | 99,000 |
Common mistakes
The withheld amount is settled when you file your annual return — with low income much of it comes back as a refund.
Glossary
- Gross amount
- The contracted amount before any deduction.
- Rate
- The rate applied — usually per year.
- Net amount
- What lands in your account after tax.
- Tax
- The tax withheld or charged, as money.
Frequently asked questions
Q. How is Withholding Tax calculated?
Net amount = Gross amount × (1 − Rate ÷ 100) — Korea's business-income withholding is 3% income tax plus 0.3% local tax, or 3.3% in total. What is left after that is what reaches your account.
Q. Can you walk through an example?
With Gross amount 3,000,000, Rate 3.3%, the answer is Net amount 2,901,000.
Q. What do I need to enter?
Enter Gross amount, Rate. The result recalculates as you type, and an empty box counts as zero.
Q. How much does the answer move if I change a number?
Changing only Gross amount moves the answer to Gross amount 1,500,000 → Net amount 1,450,500 and Gross amount 6,000,000 → Net amount 5,802,000. The table below lays out five steps.
Q. How are the numbers rounded?
Money is shown to the nearest whole unit, percentages to one decimal place and everything else to two. What you see is rounded; the calculation itself carries the unrounded value forward.
Q. Anything to watch out for?
The withheld amount is settled when you file your annual return — with low income much of it comes back as a refund.
Related calculators
Tax rates and interest conventions differ by country and product — check your contract for real transactions.