Convert Hexadecimal Numbers
Hexadecimal is base 16 and uses 0–9 plus A–F. Each digit contributes according to its position.
Formula: Decimal value = Σ(digit × 16^position)
Use the exact inputs shown by the calculator and keep units or notation consistent. The displayed formula provides a useful way to review the arithmetic.
Verify the result by reversing the conversion with the reciprocal factor; the original value should be recovered apart from rounding.