Use this easy and intuitive scale to quantify perceived effort during exercise.

Calculates the daily calories you should eat to reach a weight goal.

Quick and easy method using only circumference measurements.

Fast, clinician-style PSA doubling time calculator that works with 2 to 6 PSA results. Shows days and months, checks data quality, and helps you interpret risk ranges.

Easily enter your age and resting heart rate, and find out your heart rate reserve and your training targets!

The Hip to Waist Ratio (HWR) is an essential indicator of the body’s fat distribution and overall health.

Enter your PSA and either prostate volume or MRI dimensions to estimate PSA density. See your risk tier and how it may guide next steps with MRI results.

Estimate your basal metabolic rate and your maintenance calories easily!

An accurate and easy to use calculator for BMI (Body Mass Index)