Multi-Child Family Car Acquisition Tax Exemption Calculator

What is the multi-child family vehicle acquisition tax reduction?

When a family raising two or more children buys a car in Korea, the acquisition tax that would normally be charged at registration is either cut in half or waived entirely. A family with three or more children under 18 pays no acquisition tax at all (with one narrow exception for small passenger cars), while a family with exactly two children pays 50% less. This is one of the largest one-time savings available to households with children, because on a mid-priced car the acquisition tax alone can run to two million won or more.

The benefit comes from Article 22-2 of the Local Tax Special Restriction Act (the provision titled “Reduction for childbirth and childrearing support”), which took effect on 2 June 2026. It exists to ease the financial load on multi-child families, who typically need a larger seven-seat or nine-seat vehicle. This calculator applies the correct standard tax rate, the exemption or 50% cut, the special deduction cap for small passenger cars, and the minimum-tax floor automatically, so you can see exactly how much you will actually pay before you sign the purchase contract.

Who benefits from this reduction

Families with three or more children under 18 buying a new or used car
Families with exactly two children under 18 (50% cut, added at the end of 2024)
Parents who adopted a child, or a spouse’s children counted in the total
Households replacing a small car with a larger seven-seat or nine-seat family vehicle
Buyers comparing this reduction against a light-car, EV, or disabled-person break
Foreign residents in Korea raising children who register a car in their own name

Korea-based calculator (2026 rules)

This calculator is based on Korean tax law (2026 rules) and applies only to vehicles acquired and registered in Korea. It does not replace an official tax bill from your local government (si/gun/gu) or WeTax. Treat the result as a planning estimate; the local office that processes your registration issues the final, legally binding amount.

How much is reduced by the number of children

The size of the benefit depends on how many children under 18 you are raising. Article 22-2 splits this into two paragraphs: paragraph 1 for three or more children, and paragraph 2 (newly added on 31 December 2024) for exactly two children. The standard tax rates come from Article 12(1)(2) of the Local Tax Act.

Three or more children: full exemption (paragraph 1)

For a household raising three or more children under 18, the acquisition tax is fully exempt — you pay nothing. There is one exception. If the car is an ordinary passenger car seating six or fewer (subparagraph 1-b), the exemption is capped:

If the computed acquisition tax is 1.4 million won or less, it is fully exempt (you pay nothing).
If it exceeds 1.4 million won, a flat 1.4 million won is deducted and you pay only the excess.

Two children: 50% reduction (paragraph 2)

For a household raising exactly two children under 18, the acquisition tax is reduced by 50%. The same small-car exception applies, but with a deduction cap of 700,000 won instead of 1.4 million won:

If the computed acquisition tax is 1.4 million won or less, you get the straight 50% cut.
If it exceeds 1.4 million won, a flat 700,000 won is deducted (half of the 1.4 million won cap).

Why the small-car cap exists

The seven-to-ten-seat family car (subparagraph 1-a) is the vehicle the policy is really aimed at, so it gets the fullest benefit. The six-or-fewer-seat car (a normal five-seat sedan or SUV) is treated more conservatively: the benefit is capped at a fixed won amount rather than wiped out completely, so a very expensive small car still contributes some tax.

Eligible vehicle types and tax rates

Not every vehicle qualifies. Article 22-2(1), read together with Article 3 of the Motor Vehicle Management Act, lists four eligible categories. The applicable standard acquisition tax rate (from Article 12 of the Local Tax Act) is applied first, and then the reduction is calculated on top of it.

Eligible vehicle categories

Category	Detail
Passenger car (a)	7 to 10 seats
Passenger car (b)	6 or fewer seats (subject to the deduction cap)
Van / bus	Up to 15 seats
Truck	Up to 1 ton payload
Motorcycle	Up to 250cc

Standard acquisition tax rates (Local Tax Act Art. 12)

Vehicle	Rate
Passenger car (non-commercial)	7%
Light (kyeong) car	4%
Van / truck (non-commercial)	5%
Van / truck (commercial)	4%
Motorcycle	2%

A light car uses the 4% rate whether it is a passenger car, van, or truck. Because the reduction can zero out even the standard tax, a light car may end up saving less in absolute terms than a full-size seven-seat vehicle simply because its base tax is lower.

The tax base and how the calculation works

The tax is not charged on the sticker price you see in the showroom. The tax base is the acquisition price excluding VAT. Individual consumption tax and education tax are included in the base — only the 10% VAT is stripped out. If you only know the VAT-inclusive price, divide it by 1.1 to get the tax base. The acquisition tax is then the tax base multiplied by the standard rate, before the reduction is applied.

Worked example: 3 children + 5-seat sedan

A five-seat sedan is a six-or-fewer-seat passenger car (subparagraph 1-b), so the 1.4 million won deduction cap applies.

Tax base: KRW 30,000,000
Standard rate: 7% (non-commercial passenger car)
Computed acquisition tax: KRW 30,000,000 × 7% = KRW 2,100,000
Exceeds 1.4 million won, so deduct KRW 1,400,000
You pay: KRW 700,000 (saving of KRW 1,400,000)

Worked example: 3 children + 12-seat van

A twelve-seat van is a van/bus up to 15 seats — not a six-or-fewer passenger car — so it is a fully exempt category, checked only against the minimum-tax rule below.

Tax base: KRW 40,000,000
Standard rate: 5% (non-commercial van)
Computed acquisition tax: KRW 40,000,000 × 5% = KRW 2,000,000
2 million won or less, so the minimum-tax rule does not bite
You pay: KRW 0 (fully exempt)

The minimum-tax rule (a 15% floor above 2 million won)

Even a “fully exempt” category is not always exempt down to zero. Under Article 177-2 of the Local Tax Special Restriction Act, when a three-or- more-child family buys a fully-exempt vehicle type (a 7-to-10-seat passenger car, a van, a truck, or a motorcycle) and the computed acquisition tax exceeds 2 million won, the exemption is limited: only 85% is reduced and you pay the remaining 15%. If the computed tax is 2 million won or less, it is still fully exempt. This floor keeps very expensive vehicles from escaping tax entirely.

Worked example: 3 children + 7-seat SUV

A seven-seat SUV is a 7-to-10-seat passenger car (subparagraph 1-a), a fully-exempt category, so the minimum-tax rule applies once the tax passes 2 million won.

Tax base: KRW 40,000,000
Standard rate: 7% (non-commercial passenger car)
Computed acquisition tax: KRW 40,000,000 × 7% = KRW 2,800,000
Exceeds 2 million won, so only 85% is reduced: KRW 2,380,000 waived
You pay 15%: KRW 420,000

Note that the 1.4 million won deduction method (for six-or-fewer-seat passenger cars) is a separate track and is not governed by this 2 million won floor. A six-or-fewer-seat car uses the deduction cap; the other categories use the 15% floor.

No extra taxes on top

A common worry is that surtaxes will quietly claw back the saving. They do not. On this particular reduction:

Agricultural & Fishery Special Tax is not charged (it is exempt on this reduction).
Passenger-car acquisition tax carries no local education tax surtax to begin with.
So there is no extra tax added on top of the reduced acquisition tax figure.

In other words, the amount this calculator shows as “you pay” is the whole registration-stage tax, not a subtotal that grows once surtaxes are stacked on.

How to use the calculator

Step 1: Enter the number of children

Enter how many children under 18 you are raising. Two children triggers the 50% cut; three or more triggers the exemption track.

Step 2: Choose the vehicle type and seats

Pick the category (passenger car, van, truck, motorcycle) and the seat count. This sets the standard rate and decides whether the deduction cap or the 15% floor applies.

Step 3: Enter the price

Enter the acquisition price. If your figure includes VAT, the calculator strips it (dividing by 1.1) to reach the tax base excluding VAT.

Step 4: Read the result

See the standard tax, the reduction applied, and the final amount you pay, with the deduction cap or minimum-tax floor shown where relevant.

How to apply, documents, and the deadline

The reduction is not automatic in the sense that you must claim it when you register the vehicle. It is processed at the same local government office (si/gun/gu) that handles the registration, or through WeTax. Bring proof of your family relationship and the children’s ages.

Requirements to qualify

Children under 18, including adopted children and a spouse’s children, counted in the household total.
The vehicle must be acquired and registered by 31 December 2027 (the sunset date of the provision).
Only one vehicle per couple qualifies — whichever spouse claims it first uses up the benefit.
Not allowed if the car is co-registered with someone other than a spouse or child.
Not allowed if the family already owns a previously-reduced vehicle under this rule.

Because the deadline is 31 December 2027, families planning a purchase should confirm both the acquisition and the registration are completed before that date, not merely the contract.

Clawback if the vehicle is transferred within 1 year

Paragraph 4 of Article 22-2 protects against abuse. If you transfer ownership of the reduced vehicle within one year of registration without a legitimate reason, the tax that was waived or cut is recovered (clawed back) and you must pay it.

Legitimate reasons that avoid the clawback include the owner’s death, marriage, emigration, and revocation of the driver’s license, among others. A transfer to a spouse is also treated as an exception rather than a disqualifying sale.

The practical takeaway: if you take this reduction, plan to keep the car for at least a year unless one of the recognized exceptions applies to you.

No stacking with other reductions

This multi-child reduction cannot be combined with other acquisition-tax reductions. If you are also eligible for a light-car break, an electric-vehicle break, or a disabled-person break, you must choose the single most beneficial one — they do not stack on top of each other.

Light car: its own acquisition-tax break, but the base tax is already low.
Electric vehicle: a separate EV acquisition-tax reduction with its own cap.
Disabled person: a dedicated reduction for a registered disabled owner or family.

Run the numbers under each eligible scheme and pick the one that leaves you paying the least. For a full-size seven-seat family car, the multi-child exemption is usually the winner; for a light car, another break may edge it out.

Frequently asked questions

Q. Can each spouse claim one vehicle?

A. No. The benefit is one vehicle per couple, not one per person. Whichever spouse registers the qualifying car first uses up the household’s single entitlement; the other spouse cannot claim a second reduced car under this rule.

Q. Does it apply to a used car?

A. Yes. Acquisition tax is charged whenever ownership is registered, including a used car, so a qualifying family buying a used car can claim the reduction — provided the vehicle type and seat count qualify and the one-vehicle and deadline conditions are met.

Q. What about a lease or long-term rental?

A. The reduction follows the person who acquires and registers the vehicle in their own name. With an operating lease or rental, the leasing/rental company is usually the registered owner, so the family does not directly hold the reduced registration. Confirm the registration structure with the finance company before assuming the break applies.

Q. We are expecting our third child — can we claim it now?

A. The count is based on children you are already raising (born, adopted, or a spouse’s children). An unborn child is generally not yet counted, so a family with two children today qualifies for the 50% cut, and moves to the full exemption once the third child is born and registered in the household. Check timing with your local office.

Q. Can foreign residents in Korea use this?

A. The reduction attaches to the vehicle registration and the family relationship, not to nationality. A foreign resident raising qualifying children who registers the car in their own name in Korea can, in principle, claim it. You will need to document the family relationship and the children’s ages, which may require certified translations, so ask your si/gun/gu office what proof they accept.

Q. Can I use this result for the official filing?

A. No. This is a planning estimate based on the 2026 rules. The binding amount is the tax bill your local government (si/gun/gu) or WeTax issues at registration, which reflects your exact price, vehicle spec, and family documents. Always confirm the final figure there.

Tips and cautions

Prefer a 7-to-10-seat car for the biggest saving: the 7-to-10-seat passenger car is exempt (subject only to the 15% floor above 2 million won), whereas a six-or-fewer-seat car is capped at a 1.4 million won deduction.
Remember the tax base excludes VAT: divide a VAT-inclusive price by 1.1 first, or you will overestimate both the tax and the saving.
Watch the 2 million won line on fully-exempt types: above it you still pay 15%, so a very expensive van or SUV is not completely free.
Keep the car at least one year: selling within 12 months without a legitimate reason triggers a clawback of the reduced tax.
Do not double up: you cannot stack this with an EV, light-car, or disabled-person break — run each and pick the single best one.
Mind the 31 December 2027 sunset: both acquisition and registration must be completed before the deadline, not just the purchase agreement.

Calculate your multi-child vehicle tax saving now

Enter your children, vehicle type, and price to see the exemption, the 50% cut, or the deduction and how much acquisition tax you will actually pay.

Auto and mobility scenario inputs

Related calculators