How to create an invoice in South Korea
A practical checklist for South Korea: required fields, VAT wording, KRW amounts, numbering and payment terms.
Businesses in South Korea issue invoices that follow a recognisable format. This guide lists what a document should include, the tax terminology customers expect, and the conventions that help an invoice get approved and paid quickly.
What a South Korea invoice usually includes
- Seller name, address and business number
- Customer business number for B2B
- Invoice number and date
- Description and amount
- VAT breakdown and total in KRW
Field by field
This generator preconfigures South Korea conventions: the KRW currency, the VAT label, YYYY.MM.DD dates and A4 paper size. You enter your details and line items; it calculates subtotal, discounts, tax and the grand total, then renders a print-ready PDF entirely in your browser.
- Postal code: Postal code
- Tax rates: VAT — Business registration number
- Currency: KRW (₩)
- Invoice date: YYYY.MM.DD
- Paper size: A4
Invoice numbering
Default numbering pattern: INV-2026-0042. A tax invoice (세금계산서) is issued electronically for B2B VAT transactions.
Tax terminology: VAT
Invoices are labelled with the terminology South Korea businesses expect. Presets are provided as a starting point and are not tax advice.
- Standard rate: 10%
- Zero rate: 0%
Korean invoices normally show VAT in addition to the subtotal.
Payment practice
Common payment terms used in South Korea: On receipt, End of month, 30 days, 60 days. Always state a due date, and ask customers to quote the invoice number as the payment reference.
Invoicing notes for South Korea
Electronic tax invoices
B2B VAT invoices are exchanged through the national e-tax invoice system rather than by email alone.
No fractional won
KRW has no practical minor unit — round totals to whole won.
Month-end payment cycles
Many Korean companies pay at month-end plus 60 days; state the due date explicitly.
Frequently asked questions
Is this invoice generator free for businesses in South Korea?
Yes — free, unlimited and without an account. KRW formatting, VAT labels and YYYY.MM.DD dates are preconfigured for South Korea.
Does the PDF use the right paper size?
Yes, A4 is preselected for South Korea, and you can switch between A4 and Letter at any time.
Are the tax presets accurate?
Presets are informational starting points. Tax obligations depend on your situation — verify current rates with a qualified professional before issuing a tax invoice.
Can I save and reuse an invoice?
Yes. Save a draft in this browser, duplicate it next month, or export and re-import the invoice as JSON.
Is my customer's data uploaded?
No. Everything is calculated and rendered in your browser; nothing is sent to a server to build the PDF.
Designed for common invoicing practices in South Korea. Requirements may vary by business, transaction type and jurisdiction. Please verify local requirements with a qualified professional.