VAT Calculator
Convert between supply value and total amount (incl. VAT).
Amount Input
VAT (10%)
₩100,000
* Based on the general taxpayer rate (10%). Simplified taxpayers have a different rate by industry.
Related life info & benefits
This calculator computes value-added tax (VAT) at 10%. Work out the total amount (VAT included) from the supply price, or reverse the calculation to find the supply price from the total amount.
How VAT is calculated
VAT is 10% of the supply price. Working backward from the total amount (VAT included): supply price = total ÷ 1.1, and VAT = total − supply price.
Frequently Asked Questions
Do simplified taxpayers also pay VAT?
Simplified taxpayers apply a lower value-added rate by industry, so their burden is lighter than general taxpayers, and those under a certain annual revenue threshold may be exempt from payment entirely.
When is VAT filed?
In principle, corporations file quarterly (4 times a year), while individual general taxpayers file twice a year (January and July, covering each half).
Do VAT-exempt businesses still file anything?
VAT-exempt businesses have no VAT payment obligation, but must separately file a business status report every February.
* Based on 2026 figures (10% rate, unchanged since 2013).
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