数字转文字
数字转英文、中文大写等多种格式
🔒 100% client-side — your data never leaves this pageNumber Input
Outputs
Enter a number to convert
About this tool
将任意数字转换为英文单词、标题格式、序数词、中文金融大写（壹贰叁）、罗马数字、科学计数法和十六进制。支持最大 999 万亿。适用于合同金额、支票填写等场景。
Frequently Asked Questions
What is Chinese financial uppercase used for?
Chinese financial uppercase (大写金额) uses special characters like 壹貳叁 instead of 一二三 to prevent fraud in financial documents, checks and contracts. It is legally required in many Chinese banking contexts.
What numbers can be converted?
Numbers from 0 up to 999 trillion are supported for English and Chinese conversion. Roman numeral conversion is limited to 1 to 3999.
What are ordinal numbers?
Ordinal numbers express position or rank: 1st, 2nd, 3rd, 4th, etc. They follow specific suffix rules based on the last digits of the number.