# Question #bc2c7

##### 1 Answer

Apr 11, 2016

#### Answer:

The length and mass units now ysed for the SI system came from an older basis, known as the mks system. The use of kilograms for mass and meters for length came from that system.

#### Explanation:

An explanation of the SI system can be found here. Note the original derivation from an older system that used meter and kilogram for the length and mass units.

https://en.m.wikipedia.org/wiki/International_System_of_Units