Why Doesn't the US Use The Metric System?
U.S. customary and metric units | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy - YouTube
America's only metric road - CNN.com
The U.S. has resisted the metric system for more than 50 years
Why hasn't the U.S. adopted the metric system? | Popular Science
File:Metrication.svg - Wikimedia Commons
Metrication in other countries – US Metric Association
THE UNITED STATES AND THE METRIC SYSTEM
US Metric Association - Wikipedia
Whatever Happened to the Metric System?' by John Bemelmans Marciano - The New York Times
Metric System Vs Imperial System: How Feet and Inches in the US Drive Track and Field Enthusiasts Crazy – The Olympians
Why America won't go metric | CNN Politics
Why Won't America Go Metric? | Time
US Metric Association (@usma_metric) / Twitter
Metrication in the United States - Wikipedia
Metrication Frequently Asked Questions (FAQs) | NIST
The real reasons why the US refuses to go metric - The Verge
Busting Myths about the Metric System | NIST
Why Won't America Go Metric? | What It Means to Be American
Pew Research Center | More Than A Mile Behind: America and the Metric System
Metrication in other countries – US Metric Association
Why Doesn't the U.S. Use the Metric System? | Britannica
