100 mu is about 16.5 acres.
Use hectares or square meters when comparing with international land records.
This uses the modern mainland mu.
Surveyed land areas may use more precise local records.
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, area pages use the stated metric relationship on the converter page. If the source is a historical document, verify the period and region before using the number.
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.