Joint Calculator
Plan your amount. Know what to expect.
1
What are you using?
Burning destroys 23%–30% of the THC and 40%–50% goes up in side-stream smoke; only 20%–37% reaches the smoke you inhale, and roughly 10%–25% of the THC in the material is actually absorbed. Works with flower or concentrate.
2
What’s on the label?
g
50 mg2.00 g
%
5%35%
Enter the THC percentage printed on the package. If you do not know it, leave the typical value shown.
3
How often do you use cannabis?
4
How do you want to feel?
Estimates vary with the person, product and setting. Start lower than planned, wait before having more, and do not drive. Informational only — not medical or legal advice.
Where these numbers come from
The absorption ranges used in this calculator are extrapolated from the peer-reviewed research listed below. Individual results still vary.