UtilityLast updated: 2026-08-11

Kanji Number Converter

Convert between Arabic numerals and Kanji numerals (一, 十, 百, 千, 万).

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How to use

  1. 1

    Enter a number

    Type an Arabic numeral (e.g. 12345).

  2. 2

    Auto convert

    It is converted to Kanji numerals automatically.

  3. 3

    Copy

    Copy the result and use it anywhere.

Features

  • Two-way conversion between Arabic and Kanji numerals
  • Supports 万, 億, 兆 and other large units
  • Instant conversion while typing
  • Copy and clear for immediate use

Use cases

Write amounts on documents

Convert amounts to Kanji numerals for receipts and invoices.

Formal correspondence

Use Kanji numerals for dates and numbers in invitations and notices.

Check readings

Convert unfamiliar Kanji numerals to Arabic numerals to check their value.

Details

Kanji numerals are used in formal documents, amounts and numbering. They combine 一, 二, 三… with 十, 百, 千, 万 to represent numbers.

This tool converts between Arabic numerals (0-9) and Kanji numerals in both directions. Useful for amounts on receipts, dates and numbering in text.

Large numbers (万, 億, 兆) are supported with accurate Japanese place-value conversion.

FAQ

How is 0 converted?

0 is converted to 零. Place-holder zeros (e.g. in 102) are omitted.

Does it support numbers above 兆?

Yes, up to 京 (10^16).

Can I append 円 (yen)?

Please add it after copying if you need the currency suffix.

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