When it comes to measurement, the use of the Metric System and the U.S. Standard Measurement System has long been discussed. While a large majority of the world’s countries use the Metric System, there are still a handful which adhere to the U.S. Standard. These differences can indeed result in a disaster in the kitchen if you do not know how to convert the measurements!
Sewing Conversion Table - Convert between Metric & Imperial measurements. There is a link to a PDF file towards the end of her post. This will be handy when you've a free tutorial that uses "the other" measurements. :-)
CALCULATOR - - AREA CONVERSION - - Convert Area Units Instantly - - ● Metric ● British (Imperial) And U.S. System ● Thai units ● Japanese ● Old French ● Old Spanish - Chinese units of 1930 ● Chinese units of 1915 ●Old Portuguese ● Old Russian ● Ancient Roman ● Natural units