Calculates a dose from a prescribed mg/kg dose and the patient's actual weight.

Converts a required oral liquid dose in mg to mL when the product concentration is stated as mg per 5 mL.

Calculates the number of tablets or capsules needed for a required dose when the unit strength is known.

Rounds a calculated liquid dose volume to a selected measurable increment without changing the prescribed concentration.

Calculates a total daily dose from a prescribed mg/kg/day regimen.

Calculates a dose from a prescribed mg/m² dose and an existing BSA value.

Divides a prescribed total daily dose across the specified number of administrations.

Converts a required drug dose into a volume when the available concentration is known.

Calculates drug concentration from the amount of drug and final solution volume.

Calculates an infusion rate from volume and infusion time.

Calculates an approximate gravity infusion rate using the tubing drop factor.

Compares a calculated dose with a specified maximum single or daily dose.

Calculates a loading dose from a prescribed loading-dose rate and patient weight, with an optional maximum cap.

Calculates an individual maintenance dose from a prescribed total daily dose and dosing frequency.

Calculates how long an infusion will run from total volume and infusion rate.

Calculates total drug exposure from dose per administration, frequency and treatment duration.

Calculates the WHO 2024 oral zinc reference regimen for children up to 10 years with acute watery or persistent diarrhoea.

Calculates the WHO reference volume of oral rehydration solution for children with some dehydration: 75 mL/kg over 4 hours.

Estimates the WHO home-treatment ORS volume to offer after each loose stool and the cumulative amount for a selected number of stools.

Calculates a normal pediatric maintenance IV fluid rate using the WHO-described Holliday-Segar weight formula.

Calculates estimated fluid deficit from patient weight and a clinician-entered dehydration percentage; it does not assess dehydration.

Calculates the weight-based parenteral artesunate dose used for severe malaria and shows the initial 0, 12 and 24-hour schedule.

Provides the standard six-dose artemether–lumefantrine tablet regimen by patient weight for uncomplicated malaria.

Provides the WHO weight-band daily dose of artesunate–amodiaquine for uncomplicated malaria over 3 days.

Provides the WHO weight-band daily dose of artesunate–mefloquine for uncomplicated malaria over 3 days.

Provides the WHO weight-band daily dose of dihydroartemisinin–piperaquine for uncomplicated malaria over 3 days.

Provides the WHO weight-band regimen of artesunate plus sulfadoxine–pyrimethamine for uncomplicated malaria.

Provides a weight-band artesunate–pyronaridine regimen for uncomplicated malaria using the available oral suspension and tablet strengths.

Calculates a WHO reference pediatric amoxicillin dose range for children older than 28 days.

Calculates a pediatric amoxicillin-component dose range for amoxicillin/clavulanate.

Calculates the WHO reference pediatric azithromycin dose for children older than 28 days.

Calculates a WHO reference ceftriaxone dose for children older than 28 days, with a meningitis option.

Calculates the WHO reference pediatric cephalexin daily dose range.

Calculates the WHO reference pediatric metronidazole dose range for children older than 28 days.

Calculates the WHO reference pediatric cefuroxime single-dose regimen for surgical prophylaxis.

Calculates the WHO reference ampicillin dose for neonates and children using age-group-specific frequency.

Calculates a WHO reference cefotaxime dose for children, with a meningitis frequency option.

Calculates the WHO reference cloxacillin dose for neonates and children in selected serious bacterial infections.

Provides WHO oral weight-band ciprofloxacin dosing used in selected pediatric hospital infections.

Calculates the WHO reference once-daily gentamicin dose for neonates and children with normal renal function.

Calculates the WHO reference meropenem dose used in selected pediatric hospital infections.

Calculates the WHO reference IV vancomycin dose for neonates and children with normal renal function.

Calculates the WHO 2024 first-line ampicillin + gentamicin reference regimen for hospitalized young infants with suspected sepsis or pneumonia.

Calculates WHO 2024 reference doses for suspected meningitis in young infants aged 0–59 days.

Calculates a WHO reference pediatric dose of piperacillin–tazobactam for selected severe hospital infections.

Calculates a WHO reference clindamycin dose for selected pediatric hospital infections.

Calculates a WHO reference cefazolin dose for selected pediatric hospital infections.

Calculates a WHO AWaRe reference linezolid dose for selected pediatric invasive Gram-positive infections.

Calculates the WHO Model Formulary for Children reference doxycycline regimen for children over 8 years.

Selects a WHO 2024 pneumonia presentation and returns the corresponding pediatric amoxicillin reference regimen for children aged 2–59 months.

Applies the product-label renal restrictions and interval changes for immediate-release amoxicillin/clavulanate oral formulations.

Applies the adult oral ciprofloxacin renal dosing intervals from the current product label.

Applies the cefotaxime product-label recommendation to halve the dose when estimated creatinine clearance is below 20 mL/min/1.73 m².

Applies the adult cefuroxime axetil tablet-label interval adjustment for renal impairment.

Applies the adult meropenem injection label for dose and interval changes across creatinine-clearance bands.

Checks a measured vancomycin 24-hour AUC against the consensus target used for serious invasive MRSA infections.

Checks measured gentamicin peak and trough concentrations against conventional intermittent-dosing reference targets from product labeling.