Free Online Fitness Calculators

Free Online Fitness Calculators | BMI, BMR and Body Fat | SizzleTrack

About These Tools

Our fitness calculators are designed to help you achieve your health and fitness goals by providing accurate and personalized metrics. Whether you're tracking your body composition, planning your nutrition, or optimizing your workouts, these tools are here to guide you every step of the way.

Key Features:

  • Body Composition Analysis: Track your BMI, body fat percentage, and lean body mass to understand your physical health.
  • Nutrition Planning: Calculate your daily calorie needs, macronutrient breakdown, and ideal carbohydrate intake.
  • Weight Management: Determine your healthy weight range and set realistic goals for weight loss or gain.
  • Fitness Performance: Measure your one-rep max, running pace, and calories burned during activities.

How to Use:

  1. Select the calculator that matches your needs.
  2. Input your personal data (e.g., height, weight, age, activity level).
  3. Choose between metric or imperial units.
  4. Get instant results with detailed explanations and recommendations.

Frequently Asked Questions

What is BMI, and why is it important?
BMI (Body Mass Index) is a measure of body fat based on height and weight. It helps assess whether you're at a healthy weight for your height.
How is BMR different from TDEE?
BMR (Basal Metabolic Rate) is the calories your body needs at rest, while TDEE (Total Daily Energy Expenditure) includes calories burned through activity.
What is a healthy body fat percentage?
For men, 10-20% is considered healthy, while for women, 20-30% is ideal. These ranges vary based on age and fitness level.
How do I calculate my daily calorie needs?
Use our calorie calculator, which factors in your age, gender, weight, height, and activity level to provide personalized results.
What is a one-rep max, and why is it useful?
Your one-rep max is the maximum weight you can lift for a single repetition. It's useful for designing strength training programs.

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