The test passing probabilities and trendlines that this calculator provides are derived from the measurements and urine test results of thousands of victimized cannabis consumers who have submitted their data to us. Please come back and do the same to increase its efficacy!

Calculates Passing Probabilities For:
➢ Data Plots for Lab Tests
➢ Data Plots for Home Tests
➢ Untampered & Diluted Urine

Completely fill in the following forms. When measuring the circumference of your waist, it is essential that you take the measurement at your belly button. The size of your pants is not a waist measurement and may skew the accuracy of your calculation.

Korban Stone

Founder & CEO of Marijuana Central and creator of the world's only data-driven cannabis drug test passing probability calculator, which has provided millions of calculations to an international audience. Author of several publications relating to the detection time of cannabis in the body, the worldwide use of cannabis as an entheogen, and how drug testing impacts minorities and other groups of people who consume the herb.

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