Base 18 to Octal Conversion

Convert between Base 18 and Octal quickly and accurately.

b18
oct

How to Convert Base 18 to Octal

Conversion Formula

1 b18 = 2.25 oct
1 oct = 0.444 b18

Example

Convert 15 b18 to oct:

15 b18 = 15 × 2.25 oct = 33.75 oct

Unit Information

Learn about the numbers units you're converting between

Base 18

b18

Definition

Base 18 is a base-18 numeral system using digits 0-9 and letters A-H. It is rarely used in practice but has theoretical applications in computer science and mathematics.

History/Origin

Base 18 systems have been studied in mathematics and computer science, though they have limited practical applications compared to more common bases like binary, decimal, or hexadecimal.

Current Use

Base 18 is used in mathematical research, theoretical computer science, and some specialized encoding applications.

Multiplier

18

Offset

0

Octal

oct

Definition

Octal is a base-8 numeral system using digits 0, 1, 2, 3, 4, 5, 6, and 7. It was historically important in early computer systems and is still used in some programming contexts.

History/Origin

Octal was widely used in early computer systems, particularly in the 1960s and 1970s. It was popular because it maps easily to binary (3 bits per octal digit).

Current Use

Octal is used in some programming languages, file permissions (Unix/Linux), and certain computer science applications.

Multiplier

8

Offset

0

Base 18 to Octal Conversion Table

Base 18 [b18] Octal [oct]
1 b18 2.25 oct
10 b18 22.5 oct
25 b18 56.25 oct
50 b18 112.5 oct
100 b18 225 oct
0 b18 0E+0 oct
-10 b18 -22.5 oct
-40 b18 -90 oct