Labor & Contracts Β· π°π· Korea
Korean Year-End Tax Refund Estimator
Estimate your Korean year-end tax refund in 30 seconds with simple inputs β with a shareable card.
About this tool
Korean Year-End Tax Refund Estimator computes determinate tax under the 2026 Income Tax Act and compares it with year-to-date withholding to estimate a refund or amount due β in about 30 seconds. Inputs: salary, dependents, credit-card / medical / education / donation / rent spending. The tool auto-applies the 2026 brackets (6 / 15 / 24 / 35 / 38 / 40 / 42 / 45%), personal and child credits, the standard credit, the 15% credit-card / 30% check-card / 40% traditional-market & transit tiers, and the 12% / 15% rent credits. Download a 1200Γ630 result-card PNG. All inputs stay in the browser. Useful for December tax planning and pre-filing review of Hometax simplified data in January.
Use cases
Scenario 1
December credit-card strategy
On a β©50M salary, change the credit / check / cash-receipt mix and instantly see the refund move.
Scenario 2
Rent credit β under β©70M
For a sub-β©70M tenant household head, simulate the rent credit on β©750,000 Γ 12 months.
Scenario 3
Dual-income dependent split
For a dual-income couple, compare both possible parents' filings to decide which side claims the children.
Scenario 4
Donations / medical missed
Pre-file in January after running the sim to catch missing donations or medical expenses.
Scenario 5
Owed tax + installments
If owed > β©100k, see installment eligibility (May / July / Sept) ahead of time.
Features
- Auto 2026 brackets (6 / 15 / 24 / 35 / 38 / 40 / 42 / 45%)
- Personal + child + standard credits auto-applied
- Card 15% / check 30% / market & transit 40% tiered credit
- Rent credit 12% (15% under β©55M)
- Traffic-light refund vs owed-tax visualization
- 1200Γ630 result-card PNG + fully in-browser
Frequently asked
- Q. Match Hometax exactly?
- A. It's a simplified estimate, typically Β±5%. The official figure depends on Hometax simplified data and the employer's withholding receipt.
- Q. How does the card credit work?
- A. Eligible above 25% of salary β credit cards 15%, check / cash 30%, traditional market & transit 40%. The tool branches by input automatically.
- Q. More dependents = bigger refund?
- A. Yes β β©1.5M personal exemption per dependent + child credit (2 kids β©350k, +β©300k per child from the 3rd). Dependent income must stay below β©1M annually (β©5M for wages).
- Q. Who qualifies for rent credit?
- A. Salary β€ β©70M, non-homeowner household head/member, home β€ 85 mΒ² or assessed β€ β©400M, capped at β©7.5M/yr, credited 12% (15% under β©55M).
- Q. Is this an NTS tool?
- A. No. NTS / Hometax are independent; this is an unaffiliated estimator. File via Hometax.
Sources / references
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How we run it / disclaimer
This tool is advisory and does not constitute legal, tax, medical, or financial advice. All calculations and document generation run in your browser; inputs are never sent to a server. Ads follow Google AdSense policy and are kept separate from tool accuracy.