Utility

Institutional sites and useful links

One of the most widely used unit conversion services in the world

Currency converter: check exchange rates in real time

Regulatory authority with sanctioning and supervisory powers

The U.S. Harmonized Tariff Schedule (HTS) defines tariffs and statistical categories for all goods imported into the U.S.

Real-time tracking of ships worldwide, with details of routes, vessels, and destination ports

Real-time monitoring of airline flights globally, with detailed information on routes and aircraft