Calculators

Calculates the International Normalized Ratio (INR) for patients on warfarin anticoagulant therapy. This calculator uses the prothrombin time (PT) of the patient and the International Sensitivity Index (ISI) of the thromboplastin reagent used in the PT test.

Calculates the ratio of albumin to creatinine in urine, screening for kidney damage (especially in diabetics).

Calculates Body Mass Index based on height and weight, indicating weight categories (underweight, normal, overweight, obese).

Calculates measures of diagnostic test accuracy, including sensitivity (True Positive Rate) and specificity (True Negative Rate).

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

Calculates the recommended weight of a weighted blanket based on your body weight.

Calculates the estimated mercury content in fish and provides safe consumption recommendations based on body weight.

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 appropriate dosage of paracetamol (acetaminophen) for children based on their weight. This calculator assumes a standard concentration of 120mg/5mL for oral suspensions. Always consult with a healthcare professional before administering any medication.

Calculates the average arterial pressure during a single cardiac cycle, indicating organ perfusion.