Calculators

This calculator helps you estimate how long it will take for your hair to grow to a desired length, based on your current hair length and monthly growth rate.

Calculates the Charlson Comorbidity Index score, which predicts long-term mortality risk based on a patient's comorbid conditions.

Estimates the exercise intensity level above which anaerobic metabolism significantly increases.

Calculates total activity volume based on the Metabolic Equivalent of Task (MET) value of activities and duration.

Estimates the number of calories burned climbing stairs based on weight, time, and the number of steps climbed.

Tracks human chorionic gonadotropin (hCG) doubling time in early pregnancy. This calculator estimates the time it takes for hCG levels to double, which is an indicator of a healthy pregnancy.

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

Calculates a score predicting survival for patients with advanced liver disease, used for transplant listing.

Estimates the 10-year risk of developing cardiovascular disease (e.g., heart attack, stroke) using factors like age, cholesterol, and blood pressure. This calculator is based on a simplified model and should not be used as a substitute for professional medical advice. Consult with a healthcare provider for personalized risk assessment and treatment.

Calculate a baby's age in months, weeks, and days, and track milestones.