Convert 1010 from binary

Convert numbers between binary, decimal, octal, and hexadecimal.

Conversion
Answer
10

To convert the binary number 1010 to decimal, multiply each digit by its corresponding power of 2 and add the results.

Step 1 — Expand the integer part by positional value

Multiply each binary digit by its power of 2:

(1010)2 = 1 × 23 + 0 × 22 + 1 × 2¹ + 0 × 2⁰

= 8 + 0 + 2 + 0

= 10

(1010)2 = (10)10

How to convert 1010 from binary

To convert 1010 from binary, repeatedly divide by the target base and collect the remainders.

This is a base conversion — numbers can be represented in different bases: binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16).

Frequently asked questions

What is the answer to 1010 from binary?
The answer is 10.

What method is used?
Divide by the target base repeatedly, collecting remainders. Read remainders bottom-to-top for the result.

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