Conversions Between Metric System Units Conversions between metric system units are easy because the system is based on powers of ten. For example, there are 100 centimeters in 1 meter, 1000 meters in ...

1. X is the derived unit used to measure solid angles. 1 X is roughly 3,283 square degrees. More generally, it’s the amount of solid angle a unit area on a unit sphere’s surface subtends at ...

SI gets a makeover In daily life, however, the new SI units will have little immediate practical consequence. While the units may be defined differently, the goal has been to keep their size the same.

Physics in Motion is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV ...