Pharmacology Calculators

Drug Abuse Screening Test

This Drug Abuse Screening Test helps evaluate the potential presence of substance misuse. It is useful for healthcare professionals, counselors, or individuals seeking to understand risk levels associated with drug use. Based on a series of 20 yes/no questions, the test calculates a score that reflects the likelihood of substance abuse and suggests the need for further evaluation.

Corrected Sodium (Hyperglycemia)

This calculator estimates the corrected sodium level in patients with hyperglycemia using the Katz and Hillier methods. It’s particularly useful for clinicians managing electrolyte imbalances in diabetic or critically ill patients. The tool adjusts the measured sodium concentration based on elevated blood glucose levels, helping guide more accurate diagnosis and treatment.

Half-Life Time

This calculator helps determine the half-life (t½) of a medication in the body, which is the time it takes for its concentration to reduce by half. It’s useful for healthcare professionals, pharmacologists, and students to understand drug clearance and dosing intervals. The calculation is based on the initial concentration (Ao) and the elimination rate constant (Ko).

Free Water Deficit – Hypernatremia

This calculator helps determine the free water deficit in patients with hypernatremia based on their total body water (TBW) and serum sodium levels. It is useful for healthcare professionals managing dehydration and electrolyte imbalances. By selecting the patient type and entering their weight and sodium values, the tool calculates how much free water is needed to correct sodium concentration.

Dialysis Dose (Kt/V)

This calculator helps estimate the dialysis dose using the Kt/V formula, a key metric in assessing dialysis adequacy. It is useful for nephrologists, clinicians, and patients undergoing hemodialysis. Simply enter post/pre BUN levels, ultrafiltration volume, and patient weight to get the Kt/V value.

Dextrose Intravenous Target Concentration

This calculator determines the final target concentration of dextrose when mixing two IV solutions with different dextrose concentrations. It is useful for healthcare professionals when adjusting intravenous dextrose levels for patient-specific needs. Simply input the volume and concentration of each solution to compute the resulting mixture’s dextrose percentage.

Clinical Dehydration Scale

This Clinical Dehydration Scale calculator helps assess the severity of dehydration in patients, particularly in children, using observable clinical signs. It is based on the Goldman scale, which evaluates parameters such as general appearance, eyes, mucous membranes, and tears. Useful for healthcare professionals, it allows for quick triage and appropriate fluid replacement decisions.

Antiscalant Dosing

Use this calculator to determine the appropriate amount of antiscalant needed for a reverse osmosis (RO) system. It's essential for plant operators, engineers, and technicians to ensure optimal performance, prevent scaling, and extend membrane life. Input your system parameters and get accurate dosing rates in mL/min, gallons/day, and total weight.

Carboplatin AUC Dose

This calculator determines the appropriate dose of carboplatin chemotherapy based on the Calvert formula using patient-specific data such as gender, age, weight, serum creatinine, and the target AUC. It’s a useful tool for oncologists and pharmacists to personalize cancer treatment by estimating the Glomerular Filtration Rate (GFR) and calculating the precise carboplatin dosage.

Dosage Infusion

This calculator helps healthcare professionals determine the correct infusion rate for intravenous medications. By entering the prescribed dose, standard volume, standard dose, and duration of infusion, the tool calculates the required rate in mL per hour or minute. It’s especially useful in clinical settings where accuracy and speed are critical.

Liquid Dose

This calculator helps determine the correct liquid medication dose based on the ordered dose, standard dose, and standard dosage unit. It’s useful for healthcare professionals, pharmacists, and caregivers to ensure accurate administration of liquid medicines. Just enter the ordered and standard values, and the calculator will compute the required liquid volume.

Tablet Dose

This calculator helps healthcare professionals and caregivers determine how many solid medication tablets to administer based on the prescribed dose and the available dosage strength. It’s especially useful in clinical and pharmacy settings where accurate medication dosing is crucial for patient safety.