Number System Guides

Guides for binary, decimal, octal, hexadecimal, ASCII, and mixed text-number representations.

Guides In This Topic

Use these pages to understand the concept behind base conversion before using the direct tools.

Number Systems Explained: Binary, Decimal, Octal, Hex, ASCII, and Text Representations

Use this guide when base conversion needs context, not just a direct output.

Popular Number Systems Converter Tools

When you already know the exact task, move from these support pages into the direct conversion or formatting tools.

Binary to Decimal previewNumber

Binary to Decimal

Translate one exact integer representation from base 2 to base 10. Signed whole-number grammar with optional matching 0b, 0o, or 0x prefix; output is normalized and hexadecimal is uppercase.

 Decimal to Binary previewNumber

Decimal to Binary

Translate one exact integer representation from base 10 to base 2. Signed whole-number grammar with optional matching 0b, 0o, or 0x prefix; output is normalized and hexadecimal is uppercase.

 HEX to Decimal previewNumber

HEX to Decimal

Translate one exact integer representation from base 16 to base 10. Signed whole-number grammar with optional matching 0b, 0o, or 0x prefix; output is normalized and hexadecimal is uppercase.

 Decimal to HEX previewNumber

Decimal to HEX

Translate one exact integer representation from base 10 to base 16. Signed whole-number grammar with optional matching 0b, 0o, or 0x prefix; output is normalized and hexadecimal is uppercase.

 Binary to Text previewNumber

Binary to Text

Decode complete 8-bit binary tokens as strict UTF-8. UTF-8 byte encoding; text is not ordinary numeric base conversion.

 Text to Binary previewNumber

Text to Binary

Encode Unicode scalar text as UTF-8 bytes. UTF-8 byte encoding; text is not ordinary numeric base conversion.

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