Countries that don't use the metric system

The International System of Units (SI), commonly known as the metric system, is the official measurement system of all but 3 of the world's countries. Can you name them all?

A certain country in North West Europe has officially adopted the metric system, but continues some uses of the Imperial system of measurement.

Not counting countries that have adopted the metric system, but where metrically redefined units bearing the same name as pre-metric units are in widespread use.

Source: Countries That Haven't Adopted the Metric System.

Quiz by

Rate:

Last updated: January 4, 2021

You have not attempted this quiz yet.

More quiz info >>

First submitted	May 24, 2020
Times taken	90
Average score	66.7%
Report this quiz	Report

Quiz and answer stats >>

Friends stats >>

1:00

Enter answer here

/ 3 guessed

The quiz is paused. You have remaining.

Scoring
You scored / = %

      This beats or equals
      % of test takers
      also scored 100%
      
The average score is 

        Your high score is
        
      
Your fastest time is 
more stats >>
friends stats >>