Automotive Β· π°π· Korea
Korean Car Tax Calculator
Calculate annual Korean car tax with education surcharge, age discount, and yearly pre-payment discount.
About this tool
Korean Vehicle Tax Calculator computes annual jadongchase. Enter vehicle type (passenger / EV / commercial / van), engine cc or load capacity, first-registration year, and payment timing (Jan/Mar/Jun/Sep prepayment), and the tool applies cc-based unit rate (80~200 KRW/cc passenger) Γ 30% local education surtax Γ age discount (5% from year 3, capped at 50% from year 12). The Jan prepayment 9.15% discount is auto-applied so "prepay vs installment" is shown side-by-side. EV/H2 use the flat 130k KRW base; commercial vehicles use load-capacity rates. Numbers cross-check against your WeTax bill. No data leaves your browser.
Use cases
Scenario 1
Sonata 1.6 prepayment sim
For a 5-year-old Sonata 1.6 (1,591cc), apply Jan 9.15% prepayment vs installment.
Scenario 2
Ioniq 5 EV flat tax
EV flat 130k + 39k surtax = 169k vs gas-car equivalent.
Scenario 3
12-year-old 50% discount
Cars β₯12 years auto-cap at 50% age discount, halving the base tax.
Scenario 4
June 1 ownership transfer
June 1 owner pays H1, Dec 1 owner pays H2; pro-rate at sale.
Scenario 5
Truck load-capacity sim
Apply load-based rate for a 1-ton truck (different formula from passenger cars).
Features
- Auto cc unit rate + 30% surtax + age discount
- Jan/Mar/Jun/Sep prepayment table (9.15% β 2.5%)
- EV/H2 flat 130k base
- Truck load-based rate
- Shareable URL token
- In-browser only
Frequently asked
- Q. Is prepayment always best?
- A. Yes β Jan 9.15% beats typical deposit yields.
- Q. Is EV vehicle tax really 130k?
- A. Base 130k + 39k surtax = 169k. Local-government extras vary.
- Q. When does age discount kick in?
- A. Starts 5% in year 3, +5pp/yr, capped at 50% from year 12.
- Q. Who pays on a used-car sale?
- A. June 1 owner pays H1, Dec 1 owner pays H2. Pro-rate at sale.
- Q. Why differ from WeTax bill?
- A. Local ordinance discounts (disability/multi-child/green), surcharges, and late fees are not modeled.
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.