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ASCII (American Standard Code for Information Interchange) assigns numbers 0–127 to characters. It is the foundation of modern text encoding and backward-compatible with UTF-8.

公式

ASCII code ↔ Character (0–127) | Extended ASCII (128–255) region-dependent

ステップバイステップガイド

1A=65, Z=90; a=97, z=122; 0=48, 9=57
2Space=32; newline=10; tab=9
3Control characters (0–31): non-printable
4Extended ASCII (128–255): region-dependent

解いた例

入力

"Hi" in ASCII

結果

72 105

入力

80 121 116 104 111 110 → text

結果

"Python"

よくある質問

What is Ascii Converter?

ASCII (American Standard Code for Information Interchange) assigns numbers 0–127 to characters. It is the foundation of modern text encoding and backward-compatible with UTF-8

How accurate is the Ascii Converter calculator?

The calculator uses the standard published formula for ascii converter. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Ascii Converter calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Ascii Converter calculator use?

The core formula is: A=65, Z=90; a=97, z=122; 0=48, 9=57. Each step in the calculation is shown so you can verify the result manually.

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