Computer Science

Hexadecimal to Decimal

Convert hexadecimal number to decimal.

Decimal = Σ(digit × 16^position)

Formula Explanation

Each digit is multiplied by the corresponding power of 16.

Variables Explained

position starts from 0 on the right.

Solved Example

Convert 2A₁₆ to decimal.
2×16 + 10 = 42.

Exam Tip

A=10, B=11, … F=15.