How to Use the Number Base Converter
1
Enter Number
Type or paste your number in the input box.
2
Select Base
Choose the input numbering system (Decimal, Binary, Hex, or Octal).
3
Instant Conversion
The tool calculates all other base representations in real-time.
4
Copy Result
Click the copy button next to your desired base output.
Number Base Mathematics
A positional numeral system represents numbers using radix (base) powers:
Value = Σ (digit_i × base^i)
For binary (base 2), digits are 0 or 1. Hexadecimal (base 16) uses digits 0-9 and letters A-F representing values 10 through 15.
Why Choose Our Number Base Converter?
Supports Decimal, Binary, Hexadecimal, and Octal
BigInt precision for very large integers
100% private in-browser computation
One-click copy for all representations
Quick sample presets included
Pro Tips for Best Results
- In programming, hexadecimal is prefixed with 0x and binary with 0b.
- Use Hexadecimal for compact memory address representations.