2 Octal to Binary

2 octal = 10 binary

2 written in binary is 10, the number 2 in everyday decimal.

From To 10

2 octal = 10 binary

How to convert 2 to binary

Because 8 = 2³, every octal digit stands for exactly 3 binary digits. Write each octal digit as 3 binary digits:

Binary group	Octal digit
`010`	`2`

Result: 2 in octal = 10 in binary (leading zeros dropped).

2 (octal) in other systems

Decimal	`2`
Roman numerals	`II`
Hexadecimal	`2`
Duodecimal	`2`
Ternary	`2`
Base 36	`2`
Vigesimal	`2`
Quaternary	`2`
Quinary	`2`
Senary	`2`

2 in all number systems →

Nearby octal to binary conversions

0 to binary	`0`
1 to binary	`1`
3 to binary	`11`
4 to binary	`100`
5 to binary	`101`
6 to binary	`110`
7 to binary	`111`
10 to binary	`1000`
11 to binary	`1001`
12 to binary	`1010`

Octal to binary converter →

About the number 2

2 is an even number.
2 is a prime number.
2 is a power of two: 2¹.
Written in binary it needs 2 bits, so it fits in one byte.

Reverse conversion

Frequently asked questions

What is 2 in binary?

2 in octal is 10 in binary (the number 2 in decimal).