Adderall Levels In Urine Calculator

Adderall Levels in Urine Calculator

Estimate the approximate concentration of amphetamine in urine. For educational use only.

Dosage (mg)

Please enter a valid dosage.

Time since last dose (hours)

Please enter a valid time.

Urine pH (4.5-8.0)

pH must be between 4.5 and 8.0.

Body weight (kg, optional)

Estimated Urine Concentration

-

ng/mL

Formula: Concentration = (Dose * 0.7 * (1 - 0.15*(pH-6.5))) * e^(-0.08*time) / Vd, where Vd = 5 L/kg * weight (or 70 kg if weight not provided).