How much clay?

One question we get a lot is "How much clay do I need to make ____?" Alternately, there is also the "How many mugs can I make with a box of clay?" version. It's something everyone asks at some point in their clay explorations, usually more than once! While meandering through the archives of Ceramic Arts Daily, I came across this great diagram by Robin Ouellette and wanted to share!

If that is too small to read, here's a charted version:

This is obviously just a general guide, and you may need to use more or less clay to achieve these forms. Happy potting!