I have finally gotten tired of looking up conversions for knitting needle and crochet hook sizes between metric and US so I have created two handy little charts that you can print and keep handy whether at home or on the go. Click the links to download and print the charts.

Knitting:

Larger Size Needle Conversion Chart (pdf)
Smaller Size Needle Conversion Chart (pdf)

Crochet:

Larger Size Hook Conversion Chart (pdf)
Smaller Size Hook Conversion Chart (pdf)