Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
Binary (2)
11111111Octal (8)
377Decimal (10)
255Hex (16)
ffConvert an integer between binary, octal, decimal and hexadecimal. All conversions show at once.
How to use
- Enter a number.
- Select the base you entered it in.
- Read the value in every base.
Frequently asked questions
- Does it handle large numbers?
- It supports standard JavaScript integer precision (up to 2^53).
- Can I convert hex letters?
- Yes, hex input accepts digits 0-9 and a-f.