THC Detection Calculator

Calculate your estimated THC detection window based on scientific research and individual factors. Get personalized timeline predictions for different test types.

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All calculations are based on peer-reviewed research and laboratory data.

Factors Affecting Detection

  • • THC is fat-soluble and stored in body fat
  • • Higher body fat can extend detection times
  • • Exercise can temporarily increase THC levels
  • • Hydration affects urine concentration
  • • Product potency varies significantly

Test Sensitivity Ranges

  • • Urine: 15-50 ng/mL cutoff
  • • Saliva: 1-4 ng/mL cutoff
  • • Blood: 1-5 ng/mL cutoff
  • • Hair: 1 pg/mg cutoff
⚠️ IMPORTANT DISCLAIMER: This calculator provides estimates only and makes NO GUARANTEES about drug test results. Individual detection times vary dramatically based on metabolism, body composition, usage patterns, and many other factors. DO NOT rely on these estimates for employment or legal decisions. Results are for educational purposes only and should not be considered medical or legal advice. NO WARRANTY of accuracy is provided. Consult medical and legal professionals for your specific situation. See our full disclaimer for complete terms.