BCD Converter
A BCD converter that translates decimal numbers to binary-coded decimal and back. Each decimal digit maps to its own four-bit group, a scheme common in displays and legacy hardware.
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What this tool does
An encoding where each decimal digit is stored as a separate four-bit binary value. This bcd converter is free, works on desktop and mobile, and requires no sign-up.
Also useful for: bcd code to binary, bcd code to decimal, bcd to decimal, binary to bcd, binary to bcd code, convert to bcd code, decimal to bcd, decimal to bcd code.
Features
- Decimal to packed BCD
- BCD back to decimal
- Groups shown per digit
- Instant conversion
How to use it
- Enter a decimal number or BCD groups
- Read the converted form
- Copy it
Examples
Two digits
420100 0010 Common uses
- Working with seven-segment displays
- Interfacing legacy hardware
- Teaching digit encoding
Good to know
- Non-decimal digits are rejected
Frequently asked questions
How is BCD different from binary?
Binary encodes the whole value; BCD encodes each decimal digit separately in four bits.