500 g pork is 1 jin of pork in modern mainland recipes.
A 500 g pack is usually described as 1 jin.
Use modern mainland values unless a source clearly says otherwise.
Some historical catty values differ by region.
This page answers one specific search intent. For a full table, reverse conversion, nearby units or a live calculator input, use the linked main converter.
When a Chinese listing includes both a label and a metric value, use the metric value first. Labels are useful shortcuts, but centimeters, kilograms and square meters are easier to verify.
For modern mainland China, weight pages use metric anchors such as 1 jin = 0.5 kg and 1 liang = 50 g. Check the region before using Taiwan catty, Hong Kong catty or older historical values.
For the broader chart and source caveats, read the Chinese units conversion chart. It explains when jin, catty, mu, li, chi, cun and related units are safe to convert with modern mainland values.