Fitness Calculators

Use these free Fitness Calculators from to enhance your workouts and fitness knowledge. Check back as we update daily!

BMI Calculator

Is your BMI safe? BMI stands for Body Mass Index. It is a measure of your body composition. A safe BMI is 19.9 - 24.9, and a BMI over 25 can be a sign of bad things to come for you...

Open BMI Calculator

Calories Burned Calculator

How many calories do I burn while... The more calories you burn, the more weight you will lose. How many calories do you burn while running for 30 minutes? How many calories do you burn while jumping rope for 30 minutes? Check out calories burned from hundreds of exercises here...

Open Calories Burned Calculator

Target Heart Rate Calculator

Are you in the correct Heart rate Zone? Fat Burning Zone. Cardio Zone. Anerobic Zone. It can be confusing. You are just trying to get healthy, right? We'll explain the differences and help you find your training zone. Check out your Target Zone for maximum fitness results...

Open Target Heart Rate Calculator

One Rep Max Calculator

Want to know how much weight you can bench press? Lots of us do. Lots of us try. Lots of us get hurt. Use this calculator for a safe estimate, please.

Open One Rep Max Calculator

TDEE Calculator

Want to lose weight? Want to gain weight? You'll need to know two things: How many calories you currently eat. How many calories you should be eating... Start here to find out your Caloric needs...

Open TDEE Calculator

RMR and BMR Calculator

Burning calories while you sleep? Yes, you are. We all are. In fact, we burn most of our calories just by living. It takes lots of calories to pump our blood, beat our hearts, regulate our temperature and more...

Open RMR and BMR Calculator

iBodyFit Calorie Saver

Skipping an unhealthy food for a day, a month, or even a year will make a HUGE difference in your weight loss -- see how using our calculator.

Open the iBodyFit Calorie Saver

Two Ways to Start Getting in Shape Today

Online Workout Plans

No contracts. Just results.

iBodyFit pre made workout plans are designed to get you in shape, no matter what your fitness goals. iBodyFit founder and SHAPE Magazine Top 50 Trainer, Franklin Antoian, designed each online workout plan to help you achieve maximum results in the shortest amount of time.

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Online Personal Training

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The best way to get in shape is with a custom workout designed around your goals, time, equipment and fitness level. At iBodyFit, all of our online personal training workout plans are built from the ground up to support your unique fitness goals, needs and wants.

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  • iBodyFit makes working out easy! No more guessing which exercises I should do. My exercises, weight, and reps are all listed for me when I log in. Best part is, all the workouts are available online, all the time.
    - Lisa G, FL
  • Workouts are great. My arms feel great but they tire, I have to fight against the burn, its a great workout :)
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  • Where do I start? What a journey it has been. From 'No Abs' to 'Best Abs' and a fitness competition win!!
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  • Having my own personal trainer really motivates me. He is always there for me - email, text, social media and by cell phone!
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  • "I'm driving the ball farther because I've increased my rotation on both my backswing and follow through. My golf pro even noticed the difference . Thank you Franklin!"
    - Pete A, FL

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