Binary to Decimal Converter

Turn 0s and 1s back into a decimal number, validated as you type.

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Hex
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Octal

Each position is a power of two, so 101.1₂ = 4 + 0 + 1 + 0.5 = 5.5 in decimal.

使い方

  1. すべてブラウザ内でローカルに動作します。データは送信されず、アカウントも不要です。

概要

Paste a binary value (spaces for grouping are fine) and get the decimal result live, plus the equivalent hex and octal forms.

The validator only accepts 0s, 1s and one fraction point, which catches most copy-paste typos before the number causes downstream bugs.

すべてブラウザ内でローカルに動作します。データは送信されず、アカウントも不要です。

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