Calculators

Calculates the number of face masks needed and estimates the total cost, based on usage frequency and mask price.

Estimates the amount of biologically active testosterone based on total testosterone, SHBG, and albumin levels.

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.

Measures how quickly heart rate returns towards resting after exercise, an indicator of fitness.

Calculates the corrected serum sodium level in cases of hyperglycemia.

Calculates the cost per use and the estimated lifespan of a tube of toothpaste.

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.