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Number to Korean Amount Converter

Convert a numeric amount into the Korean reading used in contracts, and the formal anti-forgery numeral style.

※ Formal numerals (galeunja) replace simple digits like 一 with more complex forms like 壹 to prevent forgery — common on contracts, IOUs, and checks in Korea. Requirements vary by institution, so verify before submitting.

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Writing Amounts in Korean

Contracts, IOUs, and receipts in Korea often spell out numeric amounts in Korean text alongside the digits, to reduce ambiguity and prevent later alteration. Two styles are common: the everyday Korean reading, and the formal "galeunja" style used specifically to resist forgery.

When to Use Which

Everyday reading (일십만원 style, with leading 1s dropped) is fine for informal notes. Formal numerals are typically requested for legal documents like loan agreements (차용증) and checks, since altering 壹 into a different amount is visually much harder than altering 一.