BCD to Decimal Converter

Convert Binary-Coded Decimal (BCD) to decimal numbers instantly with this free online tool.

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About This Tool

This BCD to Decimal Converter tool allows you to quickly and accurately convert Binary-Coded Decimal values to their decimal equivalents. BCD is a digital encoding method where each decimal digit is represented by its own 4-bit binary sequence. Simply enter your BCD value (4-bit groups separated by spaces or as continuous digits) and get the decimal result immediately. The tool validates input format and provides clear error messages for invalid BCD values.

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How to Use

Enter your BCD value in the input field (e.g., '1001 0011' or '10010011')
Click the 'Convert to Decimal' button
View the decimal result in the output section
Use the 'Clear' button to reset and try another conversion

Frequently Asked Questions

Find Quick Answers

What is BCD (Binary-Coded Decimal)?

BCD is a digital encoding method where each decimal digit (0-9) is represented by a 4-bit binary sequence. For example, decimal 7 is 0111 in BCD, and decimal 25 is represented as 0010 0101 in BCD.

What BCD formats does this tool accept?

The tool accepts BCD values as 4-bit groups separated by spaces (e.g., '1001 0011') or as continuous digits (e.g., '10010011'). Each 4-bit group must represent a valid decimal digit (0000 to 1001).

How does the conversion work?

The tool splits the BCD input into 4-bit groups, converts each group to its decimal equivalent (0-9), then combines these digits to form the final decimal number. For example, BCD '1001 0011' converts to decimal 93.

What happens if I enter invalid BCD?

The tool validates that each 4-bit group is between 0000 and 1001 (decimal 0-9). Invalid inputs will show an error message highlighting the problematic group and explaining the issue.

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