实用工具可以使用
长度转换器
转换公制长度以及国际英寸、英尺、码和英里，即时出结果。
交互式工具区
无需注册账号Conversion runs locally; no input upload is required. Optional analytics and advertising have separate consent and privacy disclosures. Avoid sensitive inputs.
Result
2.54 cm
Uses standard metric and international customary definitions. Results display up to 12 significant digits; physical measurement uncertainty is not inferred.