About This Converter
Convert hexadecimal values to decimal by multiplying each hex digit by its power of 16. Enter any hex value (like FF, 4A, or 1F4) and instantly see the decimal equivalent with the positional calculation explained. Essential for interpreting memory addresses, error codes, and color values.
Worked Examples
Hexadecimal: FF → Decimal: 255
F×16 + F×1 = 15×16 + 15 = 240+15 = 255
Hexadecimal: 1A3 → Decimal: 419
1×256 + A×16 + 3×1 = 256+160+3 = 419
Hexadecimal: 10 → Decimal: 16
1×16 + 0×1 = 16 (hex 10 ≠ decimal 10)
Need More Bases?
For full multi-base conversion (binary, octal, decimal, and hex all at once), use our Number System Converter — it shows all four representations simultaneously with complete step-by-step working.