About this tool: Number Base Converter
Convert signed integers between bases 2–36 without loss of precision. Do not include prefixes.
Enter a signed integer and choose the source and target bases between 2 and 36. Letters A–Z represent digits above nine. The converter uses integer arithmetic for values larger than JavaScript’s safe-number range; prefixes such as 0x are not part of the input syntax.
How the calculation works
Worked example
| Input | 65535 |
| Source base (2–36) | 10 |
| Target base (2–36) | 16 |
65535₁₀ = FFFF₁₆
Questions and answers
What does this tool do?
Convert signed integers between bases 2–36 without loss of precision. Do not include prefixes. Enter a signed integer and choose the source and target bases between 2 and 36. Letters A–Z represent digits above nine. The converter uses integer arithmetic for values larger than JavaScript’s safe-number range; prefixes such as 0x are not part of the input syntax.
What affects precision and input format?
These operations preserve integer or decimal precision with string and integer arithmetic. Input size is limited to keep the page responsive.
Where are the calculations performed?
The calculation runs in your browser. You can use the tool without installing software.
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