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Octal To Hexadecimal

Convert numbers from octal (base 8) to hexadecimal (base 16).




NAN

Reverse Conversion

Hex to Octal

How This Converter Works

Converts an unsigned octal integer to uppercase hexadecimal.

Formula or rule

Remove whitespace and underscores, validate digits 0-7, parse as base 8, then format in base 16 and uppercase.

Example

Input
157
Calculation
157₈ = 111₁₀ = 6×16 + 15.
Result
6F
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