Hexadecimal to Decimal Converter

Convert a hexadecimal (base 16) number to decimal (base 10). Hex digits run 0–9 then A–F for 10–15. Type a hex value to see its decimal, binary, and octal forms.

Worked example

2F (hex) → 47 (decimal)

2F = 2 × 16 + 15 = 47. The digit F is 15.

Decimal (Base 10)

Binary (Base 2)

Octal (Base 8)

Hexadecimal (Base 16)

Conversion details will appear here

Frequently asked questions

What does the A–F mean in hexadecimal?

A–F are the digits for 10 to 15, the values a single hex digit needs beyond 9.