Calculators

This calculator helps assess the severity of Generalized Anxiety Disorder (GAD) using the GAD-7 questionnaire. It calculates a total score based on responses to seven questions and provides a severity interpretation.

Estimates expected peak expiratory flow rate based on age, height, and gender, used in asthma management.

Converts dosages between different opioid medications based on equianalgesic ratios. This calculator is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional for dosage adjustments.

Calculates the corrected calcium level based on the total serum calcium and albumin levels.

Calculates pack-years, a measure of the amount a person has smoked over time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked.

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

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

Estimates the percentage of body weight that is fat, using the Navy method for men and women, and the YMCA formula for men.

Calculates the number of days between two dates.

Calculates the cost of running an electrical device based on its wattage, usage time, and electricity rate.