Converter · Instant result · Free, no signup

Octal to Hex Converter

Enter an octal number and we'll convert it to hexadecimal.

Instant conversion Runs in your browser Free, no signup

What is the Octal to Hex Converter Tool?

The Octal to Hex Converter is a specialized calculator that converts octal numbers (base 8) to hexadecimal. It simplifies the process by handling each conversion step automatically.

To use it, enter an octal number (such as 7 or 12) and press the Convert button. The tool translates each octal digit into its binary equivalent, groups the binary digits, and converts them to the corresponding hexadecimal number.

For example, entering the octal number 17 will return its hexadecimal equivalent.

Also check out our similar tool: Hex to Octal converter.

Understanding Octal and Hexadecimal Numbers

Hexadecimal and octal are two number systems widely used in computing and digital electronics.

Hexadecimal Numbers (Base 16)

Hexadecimal, or hex, uses a base-16 system with sixteen symbols: digits 0-9 and letters A-F, where A equals 10 and F equals 15. Hex is compact and represents large binary numbers efficiently. For instance, the hex number "1A3" translates to binary as 0001 1010 0011.

Octal Numbers (Base 8)

Octal uses a base-8 system with digits 0-7. It's useful in computing because it maps cleanly to binary. For example, the decimal number 8 is written as 10 in octal.

Octal to Hexadecimal Conversion

To convert an octal number to hexadecimal, the simplest route is through binary. The process involves a few steps:

  1. Convert each octal digit to its 3-bit binary equivalent.
  2. Combine the binary digits, then regroup them into sets of four, starting from the right (add leading zeros if needed).
  3. Convert each group of four binary digits to its corresponding hexadecimal digit.

For example, to convert the octal number "17" to hexadecimal:

  1. Convert "1" to binary (001) and "7" to binary (111).
  2. Combine into 001111, then regroup into sets of four starting from the right: 0000 1111 (the leading zeros drop out).
  3. Convert each group to hex: 0000 (0) and 1111 (F), giving the hexadecimal number F.

This tool handles the entire process for you. Enter an octal number and it instantly returns the hexadecimal equivalent. It's ideal for anyone working across different number systems, keeping conversions accurate and effortless — whether you need octal to hex, hex to octal, or anything in between.

With our octal to hex converter, converting base-8 to base-16 is straightforward. Just enter the octal number and get the hexadecimal result. The tool handles the binary grouping internally to find the correct value — handy in computing and digital electronics where both systems come up regularly.

For example, octal 17 converts to hex F. The converter handles even complex inputs accurately, expressing the result in a compact form. Whether you're a student, developer, or engineer, this tool makes octal-to-hex conversions fast, accurate, and reliable.

Octal to Hexadecimal Conversion Table

Octal Hexadecimal
00
11
22
33
44
55
66
77
108
119
12A
13B
14C
15D
16E
17F

Free tools are just the start.
Uptimia keeps your sites healthy.

Uptime, SSL, domain expiry, page speed, transactions — monitored from 171 locations worldwide. Free for 30 days.

30 days free no credit card cancel anytime
100,000+ websites monitored · GDPR-compliant