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スプレッドシート 列指定数字⇔アルファベット(英字)を変換する数式

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数字 から アルファベット(英字) 変換

=SUBSTITUTE(ADDRESS(1,数字,4),1,"")

// 例)列数6の場合
=SUBSTITUTE(ADDRESS(1,6,4),1,"")
> F

セルの値を使って指定

A B
1 列数 7
2 列アルファベット =SUBSTITUTE(ADDRESS(1,B1,4),1,"")

A B
1 列数 7
2 列アルファベット G

アルファベット(英字) から 数字 変換

=COLUMN(INDIRECT("アルファベット"&"1"))

// 例)列アルファベットがBの場合
=COLUMN(INDIRECT("B"&"1"))
> 2

セルの値を使って指定

A B
1 列アルファベット C
2 列数 =COLUMN(INDIRECT(B1&"1"))

A B
1 列アルファベット C
2 列数 3
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