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THC detection calculator

Estimate your clearance window from the factors that actually move it — frequency, body composition, and test type. Adjust the inputs and watch the timeline respond.

Your inputs
How often do you use?
Body weight185 lb
Body fat22%
THC is fat-soluble — higher body fat stores more metabolites and lengthens the window.
Test type
Days since you last used0
Your estimate
16 days left
until you'll likely clear a urine screen · target date
LAST USE16-DAY WINDOW
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