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Reverse Sales Tax Calculator
Official 2026 Tax Guide

South Korea Reverse Tax Calculator (2026) - GST & Sales Tax

Need to remove VAT from a total in South Korea? Use our free 10% reverse VAT calculator to instantly extract tax and find the exact original price before tax.

SOURCE: LIVE RATES DATABASE & OFFICIAL AUTHORITIES
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The standard VAT rate for South Korea is pre-filled. You can adjust this manually if needed.

Standard Rate

10.00%

Alternative Rate

10%

Combined Rate

10.00%

Ritu Sharma Umesh Kant Sharma

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Editorial Quality Standard

Update: October 2026

Data Research Lead

Ritu Sharma

Tax Research Analyst (M.Com, Accounts & Law) focused on rate tracking and editorial review.

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Umesh Kant Sharma

Senior Revenue Technologist with 13 years of revenue and business experience.

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Verified against official 2026 revenue schedules for South Korea.

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Understanding South Korea's VAT System

South Korea uses a Value Added Tax (VAT) at a flat standard rate of 10% on most goods and services. Introduced in 1977, South Korea's VAT was one of the first VAT systems in Asia and has remained remarkably stable at 10% for over 45 years. While the standard rate is 10%, essential items like unprocessed foodstuffs, medical services, and books are zero-rated (0%) or exempt to support social welfare.

South Korea's VAT system is highly digitized. The National Tax Service (NTS) operates the 'HomeTax' system, where nearly all business transactions are reported electronically. Electronic Tax Invoices (ETI) are mandatory for all corporations and many individual businesses, ensuring a high level of transparency and compliance in South Korea's advanced digital economy.

Why Reverse Tax Calculation Matters in South Korea

South Korea is the world's 13th largest economy and a global leader in technology, automotive manufacturing, and entertainment (the 'Korean Wave'). For international businesses selling digital services, electronics, or K-culture products to Korean consumers, understanding the 10% VAT is essential for compliance and pricing strategies.

For consumers and businesses in South Korea, prices are almost always displayed with the 10% VAT already included. When you see a price of ₩11,000, it includes ₩1,000 of VAT and ₩10,000 of base price. Reverse VAT calculation is the standard way to extract the net value from Korean receipts, which is critical for business expense claims, accounting reconciliation, and tax reporting.

South Korea Tax Rate Categories

VAT Rate
10% (Standard)
Category
Most goods and services
Examples
Electronics, clothing, vehicles, restaurant meals, professional services, cosmetic products, alcohol
VAT Rate
0% (Zero-rated)
Category
Exports and foreign currency
Examples
Exported goods, services provided in foreign currency, international transport by ship or aircraft
VAT Rate
Exempt (Nil-rated)
Category
Essential & Social
Examples
Unprocessed food, medical services, education, books, newspapers, magazines, social welfare services
VAT Rate
Special Excise
Category
Luxury/Sin
Examples
Certain luxury goods, jewelry, gambling, and tobacco may have additional excise taxes on top of VAT

Real-World Reverse Tax Calculation Example

You purchased a smartphone in Seoul for ₩1,100,000 (including 10% VAT).

  • Convert VAT rate: 10% ÷ 100 = 0.10
  • Add 1: 1 + 0.10 = 1.10
  • Divide: ₩1,100,000 ÷ 1.10 = ₩1,000,000 (pre-VAT price)
  • VAT amount: ₩1,100,000 − ₩1,000,000 = ₩100,000
  • ✓ Pre-VAT price: ₩1,000,000 | VAT (10%): ₩100,000 | Total: ₩1,100,000

South Korea Tax Compliance & Registration

Korean businesses must register for VAT with the National Tax Service (NTS — 국세청) when commencing taxable business activities. Unlike many countries, South Korea does not have a minimum turnover threshold for VAT registration — all businesses conducting taxable activities must register. VAT returns are filed semi-annually (January–June and July–December), with preliminary returns filed quarterly for larger businesses. South Korea mandates electronic tax invoices (e-Tax Invoices) for corporations and individual businesses above ₩30 million in annual supplies, requiring each invoice to be transmitted electronically to the NTS by the 10th of the following month. Foreign businesses providing electronic services (e-commerce, streaming, apps) to Korean consumers must register under South Korea's simplified registration system if their Korean sales exceed KRW 100 million annually.

Official Citations & Sources

  • Information formatted according to the official National Tax Service (NTS) guidelines.
  • VAT rates verified for 2026 Korean tax periods (10% standard).
  • Official Link: NTS — National Tax Service

Frequently Asked Questions — South Korea

South Korea's flat 10% VAT is straightforward compared to most Asian economies. Japan has a 10%/8% dual rate; India has a complex 5-slab GST (0%, 5%, 12%, 18%, 28%); China has a tiered VAT (13%, 9%, 6%). South Korea's single 10% rate with broad exemptions for essential services makes it one of the simpler VAT systems in Asia for businesses to comply with.
Yes — unprocessed food (raw agricultural products, fresh fish, livestock) is exempt from South Korean VAT. Processed and packaged food, however, is subject to the standard 10% VAT. Restaurant meals are taxable at 10%. This means buying raw vegetables at a traditional market may be VAT-exempt, while buying the same items processed and packaged at a supermarket attracts 10% VAT.
South Korea's e-Tax Invoice system (전자세금계산서) requires qualifying businesses to issue all B2B VAT invoices electronically through the NTS-approved system. Each invoice is transmitted to the NTS by the 10th of the following month, giving tax authorities comprehensive transaction data. This system applies to all corporations and individual businesses above the threshold. Penalties apply for failing to issue e-Tax Invoices.
Yes. South Korea operates a Tax Refund for Tourists scheme. Foreign visitors can receive VAT refunds on purchases of ₩30,000 or more (per receipt) from participating retailers displaying the 'Tax Free' sign. Refunds can be claimed at airport refund counters (Incheon, Gimpo, Gimhae) before departure, or through on-site instant refund kiosks at participating stores.
Yes. Foreign businesses providing electronic services (apps, games, streaming, cloud services, digital content) to Korean consumers must register with the NTS under South Korea's simplified foreign business registration system if their Korean sales exceed KRW 100 million annually. This regime has applied since 2015 and covers major platforms including Google, Apple, Netflix, and Meta.

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Understanding Different Tax Jurisdictions

Looking for a different jurisdiction? Compare calculators for other global regions:

Nunavut

5.00%

Prince Edward Island

15.00%

France

20.00%

Germany

19.00%

Spain

21.00%

Netherlands

21.00%
🇺🇸

United States Tax Structure

Explore individual calculators and detailed tax rates for all 50 US states.

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Other World Tax Rates

United Arab Emirates (UAE) 5% VAT South Korea 10% VAT Australia 10% GST New Zealand 15% GST Japan 10% Consumption Tax India 18% GST Singapore 9% GST Mexico 16% IVA Brazil 17% ICMS

Legal Disclaimer: While we strive to maintain accurate and up-to-date tax rate information from reliable sources, tax rates can change frequently. Always verify current rates with your local tax authority or a qualified tax professional for official tax matters. This calculator is for informational purposes only and does not constitute professional tax, legal, or financial advice.

Last Updated: October 2026 Rates Subject to Change