What you need to do requires a few tools:
1. A pipe (bongs, vaporizers, bubblers, or fruit can be substituted)
2. A lighter or match
3. Good music
Next you will follow this complex scientific procedure:
1. Load the bowl
2. Smoke the bowl
3. Be high
At the end of this experiment you should be able to accurately measure the thc content on a scale ranging from snickle fritz to dank ass motherfuckin bud.