ASC function
Changes full-width (double-byte) English letters or katakana within a character string to half-width (single-byte) characters
The Japanese-width conversion in this worksheet includes Latin letters, digits, spaces, kana punctuation and voiced/half-voiced katakana. It retains unrelated Unicode compatibility characters. Native Excel conversion depends on language settings; native locale compatibility remains unverified.
Syntax
ASC(text)Square brackets indicate optional arguments.
Arguments
| Argument | Required | Meaning |
|---|---|---|
| text | Yes | The text or a reference to a cell that contains the text you want to change. If text does not contain any full-width letters, text is not changed."Ｕｎｉｖｅｒ" |
Try ASC
Normalize full-width Latin and voiced katakana
=ASC(A2)ASC converts full-width Latin letters, digits and spaces to half-width forms. In the Japanese conversion used here, ガラス becomes ｶﾞﾗｽ; the voiced ガ becomes a half-width base plus a voicing mark. It does not translate or change letter case. Native Excel behavior depends on language settings.
Inspect the current formula
Read its written arguments or observe actual operation values in a separate local calculation. This action neither applies a draft nor grades an answer.
Read the formula, one argument at a time
Explore the written function calls and their inputs. The calculation result belongs to the complete formula.
ASC · top-level call
=ASC(A2)1 / 1 · text
The text or a reference to a cell that contains the text you want to change. If text does not contain any full-width letters, text is not changed.
ASC reference ↗Follow the cells behind a result
Read explicit local references and helper formulas using a separate calculation. Your draft stays in this field; the worksheet and practice checks do not change.
The worksheet runs locally. Published checks apply to the supplied example only. Native Excel and Google Sheets compatibility remain unverified.
Reference and compatibility
Univer 1.0.4 / Apache-2.0. Calculation checks cover the supplied examples only. The browser worksheet does not implement every Excel feature, external service or connected data type.