Calculators

Estimates maximum heart rate based on age. Several formulas exist, providing different estimates.

Calculates resting heart rate or determines heart rate from pulse counts.

Estimates calories burned while shoveling snow based on weight and shoveling time.

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

Estimates kidney function based on serum creatinine, age, weight, and gender.

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.

Estimates calorie needs and time required to reach a target weight based on BMI.

Calculates the weight of the body minus fat (muscles, bones, organs, water).

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

This calculator assesses the severity of chronic liver disease and estimates prognosis using the Child-Pugh score.