Do you have Le Système International d'Unités -- that's the International System of Units to the rest of us -- all straightened out? Test your metric mastery in this quiz!
Question 1 of 10
How is Le Système International d'Unités (or the International System of Units) commonly abbreviated?
Question 2 of 10
What is the U.S. government's stance on the SI, or the metric system, as it is commonly known stateside?
Question 3 of 10
Is a National Metric Week held in the United States each year?
Question 4 of 10
Why hold a National Metric Week to promote the metric system?
Question 5 of 10
How many base units does the metric system include, as of 2011?
Question 6 of 10
How many SI prefixes are officially approved, as of 2011?
Question 7 of 10
What is the difference between Celsius and kelvin?
Question 8 of 10
How is the length of a meter determined?
Question 9 of 10
How is the length of a second determined?
Question 10 of 10