How much is that?

How many times have you wanted to mix up some henna for your hair, but you don't want to do the quantity listed but rather a custom amount?
Then, you have to convert measurements and if that's not something you do every day it can really be frustrating.
Below is a great guide to converting lots of measurements.  
I'd like to credit the great folks here for this guide: http://visual.ly/common-cooks-how-many-guide-kitchen-conversions

The Common Cook's How-Many Guide to Kitchen Conversions infographic by ShannonLattin.