Comprehensive unit converter for length, weight, temperature, area, volume, speed, time, and data. Use when: (1) converting between measurement units, (2) calculating unit equivalencies, (3) working with different measurement systems, or (4) any unit conversion needs. Supports metric, imperial, and digital units.

功能全面的单位转换工具，支持长度、重量、温度、面积、体积、速度、时间与数据单位的转换。适用于：（1）在不同测量单位间进行转换，（2）计算单位等价关系，（3）处理不同测量系统，或（4）任何单位转换需求。支持公制、英制与数字单位。