Other
Science Made Simple: Conversions for Length Measurement
This site allows you to type in various lengths you want to covert. For example, if you want to find out how many feet there are in 10 meters, you can submit that information and get the answer.
Science Made Simple
Science Made Simple: Area Measurement Conversions
This site allows you to type in an area of measurement you want to be converted. The site converts it for you!
Other
Science Made Simple: Area Conversions
This site, which is provided for by Science Made Simple, allows you to enter an amount into an area conversion calculator.
Khan Academy
Khan Academy: Convert to Smaller Units (In, Ft, Yd, & Mi)
Practice converting a US customary measure of length to a smaller unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Science Made Simple
Science Made Simple: Online Metric Converter
Practice converting English units of measurement to metric units using this tool.