US Customary Units

US Customary Units

This tutorial provides comprehensive coverage of US customary units based on Common Core (CCSS) and State Standards and its prerequisites. Students can navigate learning paths based on their level of readiness. Institutional users may customize the scope and sequence to meet curricular needs. This simple tutorial uses appropriate examples to help you understand US customary units in a general and quick way.


This tutorial has been prepared for beginners to help them understand the basics of US customary units. After completing this tutorial, you will find yourself at a moderate level of expertise in US customary units, from where you can advance further.


Before proceeding with this tutorial, you need a basic knowledge of elementary math concepts such as number sense, addition, subtraction, multiplication, division, whole numbers, fractions, decimals, comparing and ordering whole numbers, measurement units of length, mass, capacity and time and so on.