Calculators & Finance

Base Converter

Convert integers between base 2 and 36 with base 2, 8, 10, and 16 results at once. Supports large numbers. Minus sign, two's complement, and grouping of bits

Convert base numbers

Start using base number conversion

Preparing the tool on your device…

Short user manual

Accurately convert base 2–36 numbers with BigInt

Convert integers between binary, octal, decimal, hexadecimal, or other bases up to 36 at the same time. Supports long numbers. minus sign and signed two's complement

Highlights of this tool

  • Supports 2 to 36 bases.
  • Use BigInt so you don't lose precision on large integers.
  • Group bits and read two's complement values.

How to use Base Converter

  1. 1Enter numbers and select source base.
  2. 2Set the destination base and bit options.
  3. 3Convert and copy the desired base value.

Frequently asked questions

Does it support decimal numbers?

This version supports integers to provide accurate results without floating point inaccuracy.

When is two's complement used?

Used to interpret binary numbers that store negative numbers based on their bit width, such as 8, 16, 32, or 64 bits.