Octal to Hexadecimal Converter | Convert Octal to Hex

Free online octal to hexadecimal converter. Convert octal numbers to hex with step-by-step explanations. Includes conversion tables and examples for easy reference.

Octal to Hexadecimal Converter

Input

FromTextBinaryHexadecimalDecimalOctal

ToTextBinaryHexadecimalDecimalOctal

Character EncodingUTF-8ASCIIUTF-16

Convert

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Common Examples

Octal: 377

Hex: FF

Binary: 11111111

Maximum 8-bit value

Octal: 123

Hex: 53

Binary: 01010011

Common sequence

Octal: 777

Hex: 1FF

Binary: 111111111

9-bit maximum

Octal: 1234

Hex: 29C

Binary: 001010011100

12-bit pattern

Conversion Reference Tables

Step 1: Octal to Binary

0

000

1

001

2

010

3

011

4

100

5

101

6

110

7

111

Step 2: Binary to Hex

0000

0

0001

1

0010

2

0011

3

0100

4

0101

5

0110

6

0111

7

How Octal to Hex Conversion Works

Two-Step Process

1. Convert octal to binary (each octal digit becomes 3 bits)
2. Group binary digits into sets of 4 and convert to hex

Example: Converting "27"₈ to Hex

1. 1. Convert to binary:
2. • 2 = 010
3. • 7 = 111
4. • Combined: 010111
5. 2. Group in fours: 0001 0111
6. 3. Convert to hex: 17₁₆

Tips and Tricks

Common Patterns

7₈ = 7₁₆ (single digit)

10₈ = 8₁₆

17₈ = F₁₆

20₈ = 10₁₆

Key Points

• Valid octal digits: 0-7 only
• Add leading zeros when needed
• Check binary groups carefully

Practice Problems

Convert: 77₈

Answer: 3F₁₆

Convert: 123₈

Answer: 53₁₆

Convert: 377₈

Answer: FF₁₆

Related Conversions

Octal to Binary

Octal to Decimal

Hex to Octal

Binary to Octal