Decimal to Hex Converter

Free online decimal to hexadecimal converter, supports batch conversion, easy to use, no download required.

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Conversion Settings

How to Use

  • Enter one or more decimal numbers in the decimal input box, separate multiple numbers with newlines.
  • Select the hexadecimal output format (lowercase or uppercase).
  • Click the "Convert to Hex" button, the system will automatically convert and display the result.
  • You can click the "Swap Direction" button to switch to hexadecimal to decimal mode.
  • Click the "Copy Result" button to copy the conversion result with one click.

Frequently Asked Questions

What are the characteristics of hexadecimal?

Hexadecimal uses 0-9 and A-F (or a-f) to represent, each digit's weight is a power of 16, commonly used to represent binary data, because every 4 bits of binary data corresponds exactly to 1 hexadecimal digit.

What is the range of decimal numbers supported for conversion?

This tool supports conversion of decimal integers of any size, the system will automatically allocate sufficient hexadecimal digits based on the input value.

How to convert hexadecimal to decimal?

Click the "Swap Direction" button, the system will switch to hexadecimal to decimal mode, you can enter hexadecimal numbers (0-9, A-F or a-f) for conversion.

Number System Conversion Knowledge

Principles of Decimal to Hexadecimal Conversion

Decimal to hexadecimal conversion uses the method of dividing by 16 and taking remainders, then arranging them in reverse order. Divide the decimal number by 16, record the remainder (0-15, 10-15 represented by A-F), then continue dividing the quotient by 16 until the quotient is 0, finally arrange all remainders from right to left.

Principles of Hexadecimal to Decimal Conversion

Hexadecimal to decimal conversion uses the weighted addition method, multiply each digit of the hexadecimal number by the corresponding weight (power of 16), then add all the results to get the decimal number. A-F represent 10-15 respectively.

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