Diet & weight loss calculators

Our free online health, fitness and weight loss calculators allow you to assess your ideal weight, BMI, body shape, current health status, daily calorie requirements and more.

Whether you're looking to lose weight, change your figure, increase your fitness or you simply want to know whether you're ready to exercise, we have the tool for you.

Fitness and weight loss calculators
Body Mass Index (BMI)  

Body Mass Index
Still one of the best ways to work out your ideal weight.


Use the BMI calculator

 Waist to Hip ratio  

Waist to Hip ratio
Are you an apple or a pear? Assess your body shape.


Use the body shape calculator

 Calorie counter  

Calorie Counter
Manage your weight with this free online calorie counter.


Free online calorie counter

Heart rate training zones  

Heart rate training zones
Assess your optimum heart rate for fat burning etc.


Heart reate zone calculator


Are you ready to exercise? Use our health check to find out.


Pre exercise questionnaire

Pregnancy calculators  

Pregnancy calculators
Determine your due date, conception date and more.


Pregnancy calculators

Other useful articles to help you achieve your weight loss or fitness goals

 The benefits of resistance training
 Exercise myths dispelled
 Exercise and overtraining

 Read all our fitness and exercise articles

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