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Number Base Converter — result sheet
Convert whole numbers between decimal, binary, octal, and hexadecimal.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Parse source digits in the source base, then re-encode in the target base.
Digits are validated against the source base (binary accepts only 0/1) and the value must round-trip exactly. Whole nonnegative integers up to 2^53-1 are supported; fractions and signs are rejected.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Number to convert — Digits valid in the source base only; no prefixes like 0x.
- From base — 4 choices
- To base — 4 choices
Worked example
| Input | Value |
|---|---|
| Number to convert | 255 |
| From base | dec |
| To base | hex |
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Assumptions and limits
- Nonnegative whole numbers only, at most 9007199254740991.
- No 0x/0b prefixes or underscores; hex letters may be upper or lower case.
- Invalid digits for the source base are rejected.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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