Hex to Decimal Converter
Convert hex to dec quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.
Convert hex to dec using the conversion factor used by this tool.
How to use the Hex to Decimal Converter
- Enter the number you want to convert.
- Confirm the source unit shown beside the input.
- Choose decimal precision if you need more or less detail.
- Read the converted result.
- Copy the result when you need to use it elsewhere.
How the conversion works
Convert hex to dec using the conversion factor used by this tool.
For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.
Common hex to dec conversions
| hex | dec |
|---|---|
| 1 hex | 1 dec |
| 2 hex | 2 dec |
| 5 hex | 5 dec |
| 10 hex | 10 dec |
| 20 hex | 20 dec |
| 50 hex | 50 dec |
Example
For example, entering 1 hex gives approximately 1 dec using the rule above. Change the input to test your own value.
Frequently asked questions
Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.
Page reviewed: August 24, 2026.