The viss, known locally as , is the primary unit of weight used in Myanmar's everyday marketplaces. Whether you are buying onions at a local bazaar in Yangon, trading seafood in the coastal regions, or purchasing wholesale agricultural goods, prices are almost always quoted per viss.
…or more precisely, using the standard factor of 1 VISS = 3.6 g per 100 m
This is a powerhouse for iOS users. It supports over 1,000 units across 70+ categories. It features a "built-in calculator keyboard" meaning you don't have to switch between apps to do the math. It also has a natural text search (type "10 viss to kg") and gets results instantly. Download on the App Store viss to kg calculator app
Historically, merchants didn't have digital screens. They used beautiful, standardized bronze weights, often shaped like mythical birds or lions, to balance their scales. These "opium weights" (a misnomer—they were used for all goods) were cast with precise accuracy by the royal court to ensure fair trade. A 1-viss bronze weight from the 1800s weighs approximately 1,630 grams, proving that this system has been reliable for centuries. Today, while the physical weights are antiques, the measurement system lives on in the voice of the local vendor.
Many traditional markets and rural agricultural zones in Myanmar have unstable internet connectivity. A reliable app performs all mathematical calculations locally on the device without requiring cellular data or Wi-Fi. 4. Built-In Price Calculator The viss, known locally as , is the
As of this writing, here are three notable options (always check your current app store rankings):
Here is the crucial fact: Depending on the context you encounter, . This slight discrepancy comes from the history of the measurement: It supports over 1,000 units across 70+ categories
A is that bridge. It saves you from mental arithmetic, protects you from costly decimal errors, and respects the cultural heritage of the viss while embracing the precision of the metric system.
: Features a simple, lightweight design that works well on older Android devices.
The viss is not a relic—it is a living unit of commerce for millions of people. But in a scientific, logistics-driven world, kilograms dominate. You do not have to choose one system over the other. You just need a bridge.
© 2026 Tom Johnson