MetricUS ??
Advocacy + Education Platform

The US Is The Last One Standing

Almost every nation speaks SI. The United States, Myanmar, and Liberia remain the primary non-metric holdouts. MetricUS makes the case for practical, modern adoption.

See Why It Matters
USMyanmarLiberiaGreen = SI standard | Red = Primary holdouts
Key Data

195 countries

use the metric system

The US, Liberia, and Myanmar are the primary holdouts.

Key Data

~97%

of world trade uses SI-aligned standards

Global supply chains and technical standards are overwhelmingly SI-based.

Key Data

1999: $327M

Mars Climate Orbiter was lost

A unit mismatch between teams led to mission failure.

Key Data

~$17B/year

estimated US dual-system overhead

Estimated inefficiency from maintaining imperial + metric workflows.