Health Tools

Calculate pH from Hydrogen ion concentration [H+].

Calculate your Fat-Free Mass Index to measure muscle potential.

Calculate body fat percentage using US Army standards.

Calculate your score for the new Army Combat Fitness Test.

Calculate your exact age in years, months, days, and even minutes.

Calculate the exact age gap between two people.

Predict a child's future adult height based on genetics.

Estimate renal function using the Cockcroft-Gault equation.

Calculate corrected calcium levels based on albumin.

Calculate how long a substance remains in the body.

Estimate the likelihood of a positive EtG alcohol test.

Calculate calories and macros for your custom Chipotle order.

Find the nutrition facts for your favorite Starbucks drinks.

Calculate the alcohol percentage for homebrewing beer or wine.

Convert your dog's age to human years.

Estimate how big your puppy will get as an adult.

Check if your dog is at a healthy weight.

Predict your next menstrual cycle and fertile window.