Hexadecimal to Decimal Converter
Decode hex values (0x optional) back to decimal and binary.
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Binary
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Octal
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Bits needed
A digit contributes d·16ⁿ, so 0xA3 = 10·16 + 3 = 163.
使用方法
- 一切都在您的浏览器本地运行：不会上传任何数据，无需账户。
关于
Paste any hex value, with or without the 0x prefix, and read the decimal equivalent instantly, plus binary, octal and how many bits it needs.
The “bits needed” count is the smallest number of binary digits that can hold the value — useful when sizing flags, masks and register fields.
一切都在您的浏览器本地运行：不会上传任何数据，无需账户。
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