Enter Your Details to Lose Weight with Our Free Online Weight Loss Calculator
Your pocket guide to calculate how many calories your body requires.
Use our free online weight loss calorie calculator and allow us to eliminate any guess work and give you specific details you need as your starting point.
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Scroll to the calculator below to get started.​
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You can have your results emailed to you and keep them as a handy guide. Remember that, as your weight changes and your activity levels change, so do your calorie requirements. We therefore recommending bookmarking the link for our weight loss calculator and checking in monthly to make sure that you are still progressing to your long term fitness goals.
The Best Weight Loss Calculator:
Enter Your Details Below for Your Custom Results
Calorie Target for Weight Loss: Now What?
What to do next after receiving your details from our Weight Loss Calculator
Now that you have your starting point, it's time to track your progress and make adjustments as needed. Our affordable Fitness App offers you a great solution for only £7.99 monthly or £49.99 annually. With this app, you'll have access to:
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Unlimited pre-made workout templates
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Custom workout creation
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Training history tracking
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Nutrition meal plans and logging
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In-depth progress tracking, including measurements and photos
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For those seeking a more intensive program, our 12-week body transformation package is available for £189. This program provides personalised guidance and support to help you achieve your fitness goals faster:
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Want to Try Our Other Weight Loss Calculator?
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Imperial Calculator:​
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Height: feet and inches
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Weight: stones and lbs​
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Body Transformations
Weight Loss Results That Don't Come From Guesswork
Weight Loss Calculator used alongside tailored fitness program.
- Female Weight Loss
1000+ Calculator Requests
Weight Loss Calculator used to adjust calorie deficit for greater accuracy.
- Female Body Transformation
5/5 Average Client Rating
Understand Our Weight Loss Calculator
Let us address the frequently asked questions here before you get started
Q. What is the best weight loss calculator?
A. Our weight loss calculator stands out for its accuracy and user-friendly interface, making it the top choice for individuals serious about achieving their fitness goals.​
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Q. How does a usual BMI weight loss calculator work?
A. A usual BMI calculator evaluates your body mass index (BMI) based on your height and weight, providing insights into your overall health and weight loss progress.
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Q. Can I use the Weight Loss Calculator if I am outside of the UK?
A. Yes! Absolutely! Our weight loss calculator caters to users worldwide, so users both in and outside of the UK can access all of the features.
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Q. What is the Weight Loss Calculator, and how does it work?
A. Our weight loss calculator is a tool that helps individuals estimate their ideal weight, determine their daily calorie needs, and track their progress towards weight loss goals. It works by inputting data such as age, gender, height, weight, activity level and weight loss goals into a mathematical formula to provide personalised recommendations.
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Q. Do you offer nutrition guidance as part of the training packages?
A. Yes, all of our personal training packages include nutrition guidance tailored to your individual goals. We believe that nutrition is a key component of achieving fitness results, and we provide support to help you make healthy choices.
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Q. Is the Weight Loss Calculator accurate?
A. Most weight loss calculators over estimate an individuals TDEE and while weight loss calculators can provide estimates based on scientific formulas, it's important to understand that individual results may vary. Factors such as metabolism, body composition, and lifestyle habits can influence weight loss outcomes. Our weight loss calculator has been adjusted to more accurately represent your activity levels and calorie expenditure based on the information you provide. Use the calculator as a guide and adjust your approach based on your personal experience and progress.
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Q. What information do I need to use the weight loss calculator?
A. Our weight loss calculator requires basic information including age, gender, height, weight and activity level. Some calculators may also ask for additional details such as body fat percentage, dietary preferences, and exercise habits but we focus on the aforementioned details.
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Q.Will this Weight Loss Calculator help me to lose weight?
A. Our weight loss calculator is a useful tool for setting realistic goals, tracking progress, and making informed decisions about diet and exercise. However, it's important to remember that weight loss ultimately requires consistent effort, dedication, and adherence to healthy lifestyle habits. The calculator serves as a supportive tool in your weight loss journey but it should used in conjunction with a balanced diet, regular exercise, and other health behaviours for optimal results. We advise pairing the use of the calculator with our Affordable Fitness App Plan to see meaningful results.