If you have ever traded goods in Myanmar (Burma), browsed a Yangon market report, or read a shipping manifesto from Southeast Asia, you have likely encountered the viss .
For those accustomed to the metric system, this ancient unit can be confusing. So, let’s answer the core question directly:
When you see "100 viss," picture 163.8 kilograms—roughly the weight of two adult male pandas or a large industrial barrel of rice. It remains a living unit of commerce, even as the metric system marches on.