Binary to Decimal Converter

Convert binary numbers to decimal. See step-by-step conversion process.

Binary: 1010

10

Decimal

Conversion Steps

BitPosition2^nValue
1388
0240
1122
0010
Total10

Common Conversions

1

= 1

10

= 2

1010

= 10

11111111

= 255

How It Works

Binary is a base-2 number system using only 0 and 1. Each position represents a power of 2.

1010 (binary)

= 1×2³ + 0×2² + 1×2¹ + 0×2⁰

= 8 + 0 + 2 + 0

= 10 (decimal)