To convert hexadecimal to decimal: multiply each digit by 16 raised to its position power and sum the results. For example, 0xFF = (15×16¹) + (15×16⁰) = 240 + 15 = 255. Use our Hex to Decimal converter to do this instantly.

Why do programmers use hexadecimal?

Hexadecimal is compact (one hex digit = 4 bits = half a byte) and maps directly to binary in groups of 4. It's used for memory addresses, color codes, cryptographic hashes, network MACs, and bitwise operations where binary representation matters.

What is binary in computing?

Binary (base-2) uses only 0 and 1, corresponding to off/on transistor states in hardware. Every piece of digital data — text, images, video — is ultimately stored as binary. Understanding binary helps with bitwise operations, network masks, and low-level programming.

How do I convert an IP address to binary?

Each octet of an IPv4 address is an 8-bit number. Convert each octet to binary separately. 192.168.1.1 becomes 11000000.10101000.00000001.00000001. Use our IP to Binary converter for instant conversions.