Question

What are the benefits of scientists using the metric system worldwide

Answer 1

They're able to understand the results of each others' work, and
repeat someone else's work if they want to, much faster, easier,
and more accurately than if they had to first convert it to different
units.

Answer 2

Both systems have benefits and disadvantages.

Benefits of the Metric System

Easier for anything involving conversions.Celsius is based on the the freezing and boiling points of water.Is the most popular system of measurement worldwide. This gives interchangeability internationally.Other systems of measurement, like U.S. standard units, are tied directly to metric units so they can be converted back and forth.You can sell to the government since governments (including the U.S. government) require government contractors to use the metric system for most things.