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

Base conversion for binary, decimal, and hex.

 Decimal to Binary previewNumber

Decimal to Binary

Base conversion for binary, decimal, and hex.

 HEX to Decimal previewNumber

HEX to Decimal

Base conversion for binary, decimal, and hex.

 Decimal to HEX previewNumber

Decimal to HEX

Base conversion for binary, decimal, and hex.

 Binary to Text previewNumber

Binary to Text

Base conversion for binary, decimal, and hex.

 Text to Binary previewNumber

Text to Binary

Base conversion for binary, decimal, and hex.

Browse all Number Systems Converter