Embed Tools

Age Calculator

Your exact age in years, months & days — plus a birthday countdown.

BMI Calculator

Body Mass Index with metric or imperial units & category color coding.

BMR & TDEE Calculator

Daily calorie needs for maintenance, loss and gain — Mifflin-St Jeor.

Ovulation Calculator

Estimate your fertile window, ovulation date, next period & due date.

Calorie Calculator

Daily calorie needs using Mifflin-St Jeor — for loss, maintenance and gain.

Body Fat Calculator

U.S. Navy body fat formula from circumference measurements.

Blood Pressure Checker

Classify your BP reading using American Heart Association categories.

Ideal Weight Calculator

Four classic formulas — Devine, Hamwi, Robinson, Miller — plus frame adjustment.

Water Intake Calculator

Daily water needs from weight, activity, climate and special states.

Macro Calculator

Protein, carbs and fat targets from your daily calories.

Daily Protein Calculator

Protein target in g/kg/day by activity, age and goal.

Steps to Calories Calculator

Estimate calories burned from your daily step count.