Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

> Gold uses Troy weights unless otherwise specified, while feathers use the normal system.

“avoirdupois” (437.5 grain). Both it and troy (480 grain) ounces are “normal” for different uses.




Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: