Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Unit Conversions [Pdf]
Read all you need to know about unit conversions. Learn about conversion factors, calculations, and rounding answers. Practice conversion problems after reading this Chapter and test your knowledge by reviewing the fifteen chapter...
Texas Instruments
Texas Instruments: Unit Conversions
In this activity, students learn to convert temperature readings on the Fahrenheit scale to temperature readings on the Celsius scale.
Math Slice
Math Slice: Volume
This resource allows students to practice converting metric or customary units of volume. Students are able to select parameters that include metric or customary units and difficulty level. There are ten problems with instant feedback...
Other
Conversions for Weight Measurements
This site allows you to convert weight/mass measurements. For example converting tons to grams. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units
Sophia Learning
Sophia: Exact Numbers: Lesson 3
This lesson will define and explain how to identify an exact number. It is 3 of 4 in the series titled "Exact Numbers."
Chem Tutor
Chem Tutor: Conversions Using Dimensional Analysis
Practice problems with answers for converting units with dimensional analysis.