Binary to Decimal Converter

Convert binary numbers to decimal easily

Binary to Decimal Conversion
Binary (BIN)
Decimal (DEC)
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 BIN = 2 DEC
Base 2 → Base 10
Input Type
Binary (Base 2)
Output Type
Decimal (Base 10)
Number System Conversion
Base 2 ↔ Base 10
System Comparison
From System
Binary (BIN)
Base: 2
To System
Decimal (DEC)
Base: 10
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

11100000
E0
BIN HEX
10110000
260
BIN OCT
10111001
B9
BIN HEX
74
60
OCT DEC
1001110
4E
BIN HEX
11011000
330
BIN OCT
10111111
277
BIN OCT
10001011
213
BIN OCT
11110
36
BIN OCT
10011101
235
BIN OCT

Binary to Decimal Converter | Number Converter

Convert 10 from Binary to Decimal. Binary number 10 = 2 in Decimal. Easy number system conversion calculator for Binary to Decimal.

Binary to Decimal Conversion

Convert binary numbers to decimal easily with our accurate number system converter. This conversion is essential for understanding how computers interpret binary data in human-readable form.

Conversion Information

Base: 2 → 10
Valid Digits: 0-1
Example: 10 BIN = 2 DEC

Common Binary to Decimal Conversions

Binary (BIN) = Decimal (DEC) Description
1 1 One
10 2 Ten
100 4 One hundred

Understanding Binary and Decimal

Binary (BIN)

Base-2 number system.

• Fundamental language of computers

• Uses only 2 digits: 0 and 1

• Each digit represents a bit (binary digit)

• All digital data is stored as binary

Decimal (DEC)

Base-10 number system.

• Human-readable number format

• Easy for calculations and comparisons

• Standard for most mathematical operations

• Essential for understanding binary/hex values

Why Convert Binary to Decimal?

This conversion is particularly useful for:

  • Interpreting binary data in human-readable form
  • Debugging binary values in programming
  • Understanding binary-coded information
  • Converting machine data for display

Conversion Method

How Binary to Decimal Conversion Works

To convert binary to decimal:

  1. Write down the binary number
  2. Assign powers of 2 to each position (starting from right, 2⁰)
  3. Multiply each binary digit by its power of 2
  4. Sum all the products

Example: Convert 1010 (BIN) to decimal:

1 × 2³ = 8

0 × 2² = 0

1 × 2¹ = 2

0 × 2⁰ = 0

Sum: 8 + 0 + 2 + 0 = 10 (DEC)

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