本工具依據清光緒三十四年重定的「營造尺庫平制」、1891年日本所頒布《度量衡法》中的「尺貫法」、現今公制，以及英制標準開發建置，提供研究者查詢不同度量衡（長度、面積、容量、重量）制度間之參照。

This tool provides references about the corresponding units among different measurements (length, area, capacity and weight) according to the "Building Measurement System" stipulated in the 34th year of Guangxu, “Lengths and weights measuring methods in Weights and Measures Act” enacted by Japan in 1891, existing metric units, and British Standards.