Calculator Soup
Calculator Soup: Cubic Yards Calculator
Use this calculator to calculate cubic yards volume for a variety of different areas. Enter measurements in US units or metric units. Calculate volume from your measurements in inches (in), feet (ft), yards (yd), centimeters (cm), or...
Science Made Simple
Science Made Simple: Online Metric Converter
Practice converting English units of measurement to metric units using this tool.
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.