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Decimal Converter (Base-10 to Binary, Hex, Octal, Roman)

Convert decimal integers into binary, hexadecimal, octal, BCD, and Roman numerals

International Number Base & Radix Studio

Binary • Decimal • Hex • Octal Converter

Arbitrary-precision BigInt conversion, 32-bit interactive bit grid, and two's complement computer architecture analyzer. 100% private in-browser.

Presets:
Decimal (Base 10)
Standard human-readable radix2 digits
Binary (Base 2)
Nibbles: 0010 10106 bits
Hexadecimal (Base 16)
0x
Byte length: 1 bytes[0-9, A-F]
Octal (Base 8)
0o
Unix file permissions & legacy systems[0-7]

Interactive 32-Bit Toggle Grid

Click any individual bit to toggle (0 ↔ 1). Synchronously updates all bases.

Byte 3Bit 31..24
Byte 2Bit 23..16
Byte 1Bit 15..8
Byte 0Bit 7..0

Custom Radix (Base 36)

Hexatrigesimal (Base36)
Radix Slider (Base 2 to 36):Base 36

Computer Architecture Integer Formats

'*' (U+002A)
8-Bit Byte
Unsigned: 42
Signed: 42
16-Bit Word
Unsigned: 42
Signed: 42
32-Bit DWord
Unsigned: 42
Signed: 42
64-Bit QWord
Unsigned: 42
Signed: 42

Polynomial Expansion Derivation (Hexadecimal → Decimal)

# Decimal Value = Sum of (Digit × 16^Power):
[1] 2 (2) × 16^1 = 32
[2] A (10) × 16^0 = 10
Total Decimal Value = 42

About Decimal Converter (Base-10 to Binary, Hex, Octal, Roman)

Transform standard base-10 decimal numbers into computer number systems and classical notations. Converts decimals into binary, hexadecimal (0x), octal (0o), Binary Coded Decimal (BCD), and Roman numerals.

Key Capabilities & Features

  • Converts decimal into Binary, Hex, Octal, BCD, and Roman numerals
  • 1-Click copy of all output formats
  • Fast real-time computation
  • Clean typography

How to Use Decimal Converter (Base-10 to Binary, Hex, Octal, Roman)

1

Enter Decimal

Input any positive decimal integer.

2

Inspect Formats

Review binary, hex, octal, and Roman numeral outputs.

3

Copy

Click copy on any format.

Privacy & In-Browser Execution Guarantee

Number base conversions execute locally.

Frequently Asked Questions

What is BCD (Binary Coded Decimal)?

BCD encodes each individual decimal digit (0-9) as a separate 4-bit binary nibble.