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English Ordinal Number Converter
Convert a bounded cardinal integer to an ordinal numeral and explicit US English words.
Explicit text fields
ordinal-number.json
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
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How to use this tool
- Enter the admitted input and explicit options described below.
- Select Convert ordinal number and inspect the stated conventions.
- Download the complete result and any companion report.
Examples
21 becomes 21st and twenty-first; 1000 becomes one thousandth.
Limitations
- At most 16 raw UTF-16 units; after admitted outer trimming, optional+ and one to six ASCII digits only, value 0–999999; 64 KiB report and 30 seconds.
- Every lexical minus is refused, including −0. No free-text parser, other locale, grammatical gender or unlimited number naming.
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