Convert base-16 to decimal Online | Free numbers Converter

Number System

The base-16 number system, also known as the hexadecimal system, is a positional numeral system that uses sixteen symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F, where A represents ten, B eleven, C twelve, D thirteen, E fourteen, and F fifteen in decimal. Each digit’s position represents a power of 16, starting from $16^0$ at the rightmost digit and increasing to the left. For example, the hexadecimal number 2F3 equals $2 \times 16^2 + 15 \times 16^1 + 3 \times 16^0 = 512 + 240 + 3 = 755$ in decimal. Hexadecimal is widely used in computing and digital electronics because it provides a compact way to represent binary numbers, with each hex digit corresponding exactly to four binary digits. This simplifies conversions between binary and hexadecimal and makes it easier to read and write large binary values. Hexadecimal numbers are commonly used in programming, memory addressing, color codes in web design, and digital circuit design. Understanding base-16 is essential for computer scientists, engineers, and programmers, as it bridges the gap between human-readable numbers and machine-level binary code, enabling efficient computation, debugging, and data representation.

Number System

The decimal number system, also known as base-10, is the standard numeral system used in everyday life. It uses ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. Each digit’s position in a number represents a power of 10, starting with $10^0$ at the rightmost position and increasing to the left. For example, the decimal number 482 represents $4 \times 10^2 + 8 \times 10^1 + 2 \times 10^0 = 400 + 80 + 2$. The decimal system is the most familiar because humans naturally count using ten fingers, which likely influenced its widespread adoption. It is used in daily activities such as measuring, shopping, banking, and science. In computing, decimal is often contrasted with binary, octal, or hexadecimal systems, which are more suitable for digital devices. Understanding decimal is essential for arithmetic operations, financial calculations, and data representation. It also serves as a foundation for learning other positional numeral systems, as conversions from binary, octal, or hexadecimal often rely on an intermediate decimal representation. The decimal system’s simplicity and universality make it a fundamental tool in mathematics, education, and daily life.