🧾 VAT Calculator
Easily convert between supply amount and VAT-inclusive amount
Enter Amount
Result
Supply Amount
1,000,000 KRW
VAT (10%)
100,000 KRW
Total Amount (VAT included)
1,100,000 KRW
VAT Formula
Korea's VAT rate is 10%. From supply amount: VAT = supply amount × 10%, total amount = supply amount × 1.1. From VAT-inclusive amount: supply amount = total amount ÷ 1.1, VAT = total amount − supply amount.
Example
From a supply amount of 1,000,000 KRW: VAT is 100,000 KRW, total amount is 1,100,000 KRW.
From a VAT-inclusive amount of 1,100,000 KRW: supply amount is about 1,000,000 KRW, VAT is about 100,000 KRW.
Frequently Asked Questions
Q. Does VAT apply to every transaction?
A. In principle, a 10% VAT applies to the supply of goods and services, but tax-exempt items (certain groceries, medical and educational services, etc.) are not subject to VAT.
Q. Do simplified taxpayers use this same formula?
A. No. Simplified taxpayers use a different tax calculation method based on industry-specific value-added rates, so this calculator is based on general (regular) taxpayers.
Q. What if the supply amount and VAT on my tax invoice differ slightly from this calculation?
A. A difference of 1-2 KRW can occur due to differences in rounding to the nearest won. For official tax invoices, follow the National Tax Service's Hometax standards.