Health & Fitness Calculators
Track, measure, and improve. Scientific tools to help you reach your wellness goals.
Your health journey shouldn't be a guessing game. Whether you are an athlete looking to optimize performance, a parent-to-be tracking pregnancy milestones, or someone just starting a weight loss journey, accurate data is your best friend. Our Health & Fitness Calculators use clinically validated formulas (like the Mifflin-St Jeor equation for BMR or the Navy Method for Body Fat) to give you reliable insights into your body's metrics. Note that while these tools are powerful, they are for informational purposes; always consult a medical professional for advice.
BMI Calculator
Calculate your Body Mass Index.
Calorie Calculator
Estimate daily calorie needs for weight loss.
Body Fat Calculator
Estimate your body fat percentage.
BMR Calculator
Calculate your Basal Metabolic Rate.
Ideal Weight Calculator
Find your ideal weight range.
Pace Calculator
Calculate speed, distance, and time for running.
Pregnancy Calculator
Estimate your due date and pregnancy milestones.
Pregnancy Conception Calculator
Estimate conception date based on due date.
Due Date Calculator
Calculate your baby's due date.
Health & Fitness FAQ
BMI vs. Body Fat Percentage?
BMI is a general screening tool based on height and weight. It's great for populations but can be inaccurate for athletes with high muscle mass. Body Fat Percentage is more specific, distinguishing between lean mass and fat mass. Use our BMI Calculator for a quick check and Body Fat Calculator for precision.
How many calories to lose weight?
A safe, sustainable rate of weight loss is 1-2 lbs per week. This typically requires a 500-calorie daily deficit. Our Calorie Calculator does the math for you, showing exactly what to eat to maintain, lose, or gain weight.
What affects my BMR?
Your Basal Metabolic Rate (BMR) is how many calories you burn at rest. It is influenced by age (decreases with age), gender, height, and weight. Muscle mass also burns more calories than fat, which involves weight training. Calculate yours with the BMR Calculator.
How accurate are pregnancy due dates?
Only about 5% of babies are born on their exact due date! However, the Due Date Calculator gives you a vital estimated window (EDD) to track development milestones and schedule prenatal care.