Hexadecimal to Octal Converter

Convert hexadecimal numbers to octal easily

Hexadecimal to Octal Conversion
Hexadecimal (HEX)
Octal (OCT)
Common Number Values
Number System Basics
Decimal (Base 10): 0-9
Binary (Base 2): 0-1
Octal (Base 8): 0-7
Hexadecimal (Base 16): 0-9, A-F
Conversion Result
10 HEX = 20 OCT
Base 16 → Base 8
Input Type
Hexadecimal (Base 16)
Output Type
Octal (Base 8)
Number System Conversion
Base 16 ↔ Base 8
System Comparison
From System
Hexadecimal (HEX)
Base: 16
To System
Octal (OCT)
Base: 8
Quick Reference
Decimal Binary Octal Hexadecimal
0 0 0 0
1 1 1 1
2 10 2 2
3 11 3 3
4 100 4 4
5 101 5 5
6 110 6 6
7 111 7 7
8 1000 10 8
9 1001 11 9
10 1010 12 A
15 1111 17 F
16 10000 20 10
31 11111 37 1F
32 100000 40 20
63 111111 77 3F
64 1000000 100 40
127 1111111 177 7F
128 10000000 200 80
255 11111111 377 FF

Related Number Conversions

81
129
HEX DEC
183
267
DEC OCT
212
324
DEC OCT
102
146
DEC OCT
126
176
DEC OCT
6B
107
HEX DEC
77
115
DEC OCT
2F
101111
HEX BIN
1001111
117
BIN OCT
10
16
HEX DEC

Hexadecimal to Octal Converter | Number Converter

Convert 10 from Hexadecimal to Octal. Hexadecimal number 10 = 20 in Octal. Easy number system conversion calculator for Hexadecimal to Octal.

Hexadecimal to Octal Conversion

Convert hexadecimal numbers to octal easily with our accurate number system converter. This conversion is essential for various programming, mathematical, and technical applications.

Conversion Information

Base: 16 → 8
Valid Digits: 0-9, A-F
Example: 10 HEX = 20 OCT

Common Hexadecimal to Octal Conversions

Hexadecimal (HEX) = Octal (OCT) Description
1 1 One
2 2 Two
4 4 Four
8 10 Eight
10 20 Ten
16 26 Sixteen
32 62 Thirty-two
64 144 Sixty-four
100 400 One hundred
255 1125 Two fifty-five

Understanding Hexadecimal and Octal

Hexadecimal (HEX)

Base-16 number system.

• Base-16 number system

• Uses 16 digits: 0-9 and A-F

• Each hex digit represents 4 binary digits

• Widely used in programming and web colors

Octal (OCT)

Base-8 number system.

• Compact representation for binary

• Useful for file permission settings

• Sometimes used in programming

• Easier to read than long binary strings

Why Convert Hexadecimal to Octal?

This conversion is particularly useful for:

  • Programming and software development
  • Computer science education
  • Digital electronics and hardware design
  • Technical documentation and debugging

Conversion Method

How Hexadecimal to Octal Conversion Works

The conversion process involves these steps:

  1. Validate the input hexadecimal number
  2. Convert to decimal (base 10) as an intermediate step
  3. Convert from decimal to octal
  4. Format and display the result

Our converter handles all these steps automatically, providing instant and accurate results for any valid hexadecimal input.

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