Decimal to Binary Converter

Convert decimal numbers to binary instantly. Supports integers, negative numbers, and ranges. Includes step-by-step division method, multiple output formats, and batch conversion.

⚡ Binary Output
01001000
← Decimal 72 = "H"
Decimal72
Bits8
⚠️ Enter a valid integer (0 to 2^53)
Format:
Prefix:
0
Decimal
0
Bits Used
Hex Value
Octal Value
💡 Decimal uses base-10 (0–9). Binary uses base-2 (0–1). Each binary digit = 1 bit. 8 bits = 1 byte. Example: 72 = 64+8 = 01001000