Calculators

Calculates the required medication dosage based on the desired dose and medication concentration.

Determines heart rate from an electrocardiogram (ECG) strip by measuring the number of large squares between R waves.

Estimates the number of calories your body burns at rest to maintain basic functions.

Estimates the time or calorie deficit needed to reach a specific weight loss goal.

Estimates calories burned based on average heart rate during activity (use with caution, accuracy varies).

This calculator uses the PHQ-2 and PHQ-9 questionnaires to screen for depression symptoms and assess their severity. The PHQ-2 is a quick screening tool, while the PHQ-9 provides a more detailed assessment.

Calculates the Number Needed to Treat, which is the number of patients who need to receive an intervention for one patient to experience the desired outcome.

Calculates pediatric ibuprofen dosage based on weight.

Calculates the Absolute Neutrophil Count (ANC), which is the number of infection-fighting white blood cells (neutrophils) in the blood. This calculation is crucial for assessing a patient's risk of infection, particularly in individuals undergoing chemotherapy or with certain medical conditions.

Calculates the infusion rate for intravenous fluids in mL/hour or drops/minute.