Binary Calculator: Base 2

Binary Calculator works with base 2 numbers made only of 0s and 1s. Calculator does arithmetic on two binary numbers, Converter changes a binary number to decimal or a decimal number to binary, and Number Bases converts a number to any base from 2 to 36 and shows two's complement for 8, 16, 32 or 64 bits.

What you get
• Calculator: add, subtract, multiply or divide two binary numbers
• Converter: binary to decimal and decimal to binary
• Number Bases: any base from 2 to 36, including octal and hexadecimal
• Two's complement for 8, 16, 32 or 64 bits

Where it helps
• Checking binary arithmetic in computer science homework
• Converting a binary value to decimal while reading low-level code
• Working out bit patterns for 8-bit or 32-bit values
• Converting between hexadecimal, octal and decimal notation

Binary numbers use only the digits 0 and 1. Division by zero is not allowed.

Made for daily use
• Light and dark theme
• 28 languages, with right-to-left layout where it belongs

Part of Calculator.io
Binary Calculator runs on the Calculator.io calculator engine. The More calculators link opens the full Calculator.io app, with 170+ tools for math, money, health and dates.