Question

How many countries don't uses the metric system?​

Answer 1

3 countries don’t. At this time, only three countries—Burma, Liberia, and the US—have not adopted the International System of Units (SI, or metric system) as their official system of weights and measures."

Answer 2

The USA, Liberia, and Burma (a.k.a. Myanmar)

Step-by-step explanation:

These are the only 3 countries that don't use the metric system