Number Base Converter
Convert binary, octal, decimal, and hexadecimal values for engineering workflows.
decimal = Σ digit × base^position
1010₂ = 10₁₀ = A₁₆
Interactive converter
Number Base Converter
Binary
1010
Octal
12
Decimal
10
Hexadecimal
A
Formula/
decimal = Σ digit × base^positionFormula
decimal = Σ digit × base^position
The formula is shown directly so users can audit how the result is produced.
Example
1010₂ = 10₁₀ = A₁₆
Examples make common scenarios faster to verify before users enter their own values.
Reference Table
Binary1010
Decimal10
HexA
Reference values help users scan common conversions and compare expected ranges quickly.