THC Creatinine Ratio Calculator


Calculating the THC (tetrahydrocannabinol) to creatinine ratio is crucial in various medical and forensic contexts. This ratio helps determine the concentration of THC metabolites in urine relative to creatinine levels, aiding in drug screening and monitoring. Creating a reliable calculator for this purpose simplifies the process and ensures accurate results.

How to Use

To utilize the THC creatinine ratio calculator, follow these simple steps:

  1. Input the THC concentration in ng/mL (nanograms per milliliter).
  2. Input the creatinine concentration in mg/dL (milligrams per deciliter).
  3. Click the “Calculate” button to obtain the THC creatinine ratio.


The THC creatinine ratio is calculated using the following formula:

Example Solve

Let’s consider an example:

  • THC Concentration = 150 ng/mL
  • Creatinine Concentration = 20 mg/dL


What is the significance of the THC creatinine ratio in drug testing?

The THC creatinine ratio helps normalize THC levels in urine samples, accounting for variations in urine dilution due to factors like hydration.

Can this calculator be used for legal or medical purposes?

While this calculator provides a helpful estimate, it’s essential to confirm results through validated laboratory testing for legal or medical use.

Why is creatinine concentration considered in THC testing?

Creatinine levels indicate the urine’s concentration, ensuring that THC concentrations are interpreted accurately concerning urine dilution.


The THC creatinine ratio calculator simplifies the determination of THC levels in urine samples, aiding in drug screening and monitoring processes. By following the provided formula and instructions, users can obtain accurate results efficiently.

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