Freelancer 3.3% Tax Calculator
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KRW

Income Tax 3.0% + Local Tax 0.3% (10% of Income Tax) = Total 3.3% Withholding

Calculation Formula

Income Tax: Contract Amount x 3.0%
Local Tax: Income Tax x 10% (= Contract Amount x 0.3%)
Total Withholding: Income Tax + Local Tax (= Contract Amount x 3.3%)
Net Amount: Contract Amount - Total Withholding (= Contract Amount x 96.7%)

What is the Freelancer 3.3% Tax Calculator?

In Korea, freelancers (business income earners) have 3.3% withheld from their income: 3.0% income tax and 0.3% local income tax (10% of income tax). The payer deducts this amount before payment and remits it to the National Tax Service.

This calculator quickly computes the bidirectional conversion between contract amount and net amount. Enter the contract amount to see net payment after 3.3% deduction, or enter desired net amount to find the required contract amount. Monthly and yearly summaries are also provided.

Key Features

Bidirectional Calculation

Convert contract→net or net→contract amount automatically.

Tax Breakdown

Shows income tax (3.0%) and local tax (0.3%) separately with exact amounts.

Monthly/Yearly Summary

Displays yearly estimates (x12) for contract amount, tax, and net payment.

Real-time Calculation & Copy

Results update instantly as you type, with individual and full copy buttons for each item.

How to Use

  1. Select Direction — Choose 'Contract → Net Amount' or 'Net Amount → Contract' mode.
  2. Enter Amount — Enter contract amount or desired net amount. Commas are added automatically.
  3. View Results — Check income tax, local tax, total withholding, net amount, and monthly/yearly summary.
  4. Copy & Use — Use individual copy buttons or the copy all button to copy results to clipboard.

Use Cases

Rate Negotiation

Reverse-calculate the contract rate based on your desired net payment for freelance projects.

Income Management

Pre-calculate net income from monthly freelance earnings to plan expenses and savings.

Invoice Preparation

Calculate the exact invoice amount needed to receive your desired net payment.

Tax Filing Prep

Track annual withholding totals to prepare for May comprehensive income tax filing.

FAQ

What is the 3.3% freelancer withholding tax?

When paying freelancers (business income earners), the payer withholds 3.0% income tax and 0.3% local tax, totaling 3.3%, and remits it to the tax office.

Is 3.3% the final tax?

No. 3.3% is a prepaid tax (withholding). The actual tax is settled through comprehensive income tax filing in May. You may receive a refund after applying expenses and deductions.

Can freelancers deduct business expenses?

Yes. Freelancers can deduct necessary business expenses such as equipment, office rent, transportation, and communication costs. Standard expense rates or actual bookkeeping can be used.

Do freelancers need social insurance?

Freelancers are not eligible for employment or industrial accident insurance. However, they must enroll in National Pension and Health Insurance as regional subscribers, paying premiums based on income level.

Can I get a tax refund on withheld taxes?

Yes. If your actual tax after deductions and credits is less than total withholding, you receive a refund. This is common for those with low income or high business expenses. Apply during May tax filing.

Privacy Notice

This freelancer tax calculator processes all calculations in your browser. Your financial information is never sent to any server and no personal data is stored.