James Smith BMR Calculator


Weight: lbs.
Age: years

James Smith BMR Calculator is a tool that helps individuals estimate their basal metabolic rate (BMR). It takes into account several factors, including age, gender, weight, and height, to provide an estimate of the number of calories an individual burns each day at rest.

Basal Metabolic Rate (BMR) is the amount of energy (calories) that an individual burns at rest to maintain essential bodily functions such as breathing, heartbeat, and other metabolic processes. Knowing one’s BMR can be useful in determining the number of calories needed for weight loss, weight gain, or weight maintenance. The BMR Calculator is a tool that helps individuals estimate their BMR based on their age, gender, weight, and height. In this article, we will discuss what the BMR Calculator is, how it works, and its benefits.

The BMR Calculator is available online and is free to use. It’s designed to provide a quick and easy way for individuals to estimate their BMR without having to go through complicated calculations.

How does the BMR Calculator work?

The BMR Calculator works by taking into account several factors that may impact an individual’s BMR. These factors include:

  1. Age: Metabolism tends to slow down as we age, meaning older individuals may burn fewer calories at rest than younger individuals.
  2. Gender: Men generally have a higher metabolic rate than women due to having more muscle mass.
  3. Weight: The more weight an individual carries, the more calories they will burn during physical activity.
  4. Height: Taller individuals typically have a higher BMR due to a larger body surface area.

Based on these factors, the james smith calorie calculator provides an estimate of the number of calories an individual burns each day at rest. Once an individual has estimated their BMR, they can use this information to create a calorie deficit or surplus, depending on their weight goals.

Benefits of using the BMR Calculator

The BMR Calculator offers several benefits to individuals who are looking to achieve their weight goals. These include:

  1. Personalized: The BMR Calculator provides a personalized estimate of an individual’s BMR, taking into account their unique characteristics.
  2. Time-saving: The james smith protein calculator is a quick and easy tool to use. Individuals can use it from the comfort of their own homes and receive an estimate of their BMR in just a few minutes.
  3. Accurate: The BMR Calculator is based on the most up-to-date research and is designed to provide accurate estimates of BMR.
  4. Goal-oriented: The James Smith Calculator allows individuals to set realistic weight goals based on their BMR. For example, if an individual’s goal is to lose weight, they can create a calorie deficit by eating fewer calories than their BMR. If their goal is to gain weight, they can create a calorie surplus by eating more calories than their BMR.
  5. Education: The james smith calculator qualifications can be an educational tool, as it provides individuals with a better understanding of their basal metabolic rate and how it can impact their weight goals.

Limitations of using the BMR Calculator

While the BMR Calculator offers several benefits, it also has some limitations. These include:

  1. Estimates Only: The BMR Calculator provides estimates of energy expenditure based on certain criteria. However, it does not take into account an individual’s unique circumstances, such as health conditions or other factors that may impact their BMR.
  2. Not Exact: The BMR Calculator provides estimates, which may not be exact. Actual BMR can vary depending on an individual’s genetics, lifestyle, and other factors.
  3. Does not Account for Muscle Mass: The BMR Calculator does not take into account an individual’s muscle mass.

Essentials for the Good Life

There are also some elements that are integral to life, and which you need to ensure are in order.So hold on, buckle up and read carefully – these next bits will change your life for the better.

Vitamin D

We get Vitamin D from being in the sunlight – hence it is also known as the ‘sunshine vitamin’. It’s bloody excellent for us for many reasons, and I would never leave ‘getting sufficient sunlight’ out of general advice when talking about optimal health and wellbeing. Vitamin D is technically a ‘fat-soluble vitamin’. It’s used by the body for bone development and increases our ability to absorb calcium, magnesium and phosphate.

A healthy circulating level of Vitamin D is greater than 30ng/mL†. It’s estimated that a billion people worldwide have a Vitamin D deficiency. This is mainly attributed to lifestyle, where people are not spending enough time outdoors, and this can sometimes be influenced by environmental factors such as air pollution and even work shift patterns.

Inadequate amounts of Vitamin D are not only a public-health issue, but a worldwide epidemic. We’re starting to see the development of rickets (a skeletal disorder) in some children, which is very concerning. There was even talk of getting Vitamin D put into the UK water supply because so many people are deficient.

You can supplement Vitamin D to increase your intake because it is rarely obtained from any foods, unlike most other essential vitamins. Weakness, fatigue, aches and poor bone health are symptoms of being deficient in Vitamin D. Not getting enough plays a part in developing osteoporosis, which is the degeneration of bone health. The association between depressive disorders and Vitamin D deficiency from a lack of sun exposure is well established and was first noted 2,000 years ago.

Awareness of Vitamin D has grown exponentially over the last fifteen years. New mechanisms and diseases associated with deficiency of sunlight include cancer, cardiovascular disease, diabetes and premature mortality. Sunlight exposure and Vitamin D supplementation have proven to have a similar effect to some antidepressants. Now, I am not saying, ‘Oh, if you’re depressed, just get more sun,’ but it’s certainly a factor to consider when looking at potential causes for depressive thoughts or symptoms.

An interesting study found that weekly doses of 50,000IU of Vitamin D (D2) in women with Type II diabetes who had significant depressive symptoms and low Vitamin D levels resulted in an improvement in depression, anxiety and mental-health outcomes. I’ll be covering diabetes in much more detail later in the book. I certainly feel a lot better in environments where I am exposed to sunlight, and I get at least fifteen minutes in the sun each and every day.

My physique, mental health and even my ability to learn have come on leaps and bounds since following the sun from hemisphere to hemisphere. I know it’s not an option for everyone, so if you can get sun, get it, and if you can’t, I highly recommend looking into supplementing Vitamin D. Again, I’m not insinuating that if you’re fat, depressed or both, you should just sit in the sun and you’ll be fine. What I am saying is that it should not be overlooked as a very important part of your lifestyle and overall health. If you are not sure of your levels of Vitamin D, you can either take a test or supplement for a few months to see what differences you notice.


When looking back at hugely important elements of my life I overlooked, I’d say sleep is at the top of the list. I can’t emphasize enough how, since learning about its impact on health, state of mind, performance and even sticking to a diet, my life has changed. I suppose I never gave any thought to the reason why we sleep or the repercussions of not getting enough.

Now I focus on my sleep as much as on putting fuel in a car – without it I quite simply cannot perform or concentrate as long with daily tasks at work and training. So many people are looking to supplements and ‘superfoods’, training regimes or quick fixes to enhance their current situation, but little do they realize that there’s an almost magical solution out there that can boost recovery, performance, cognitive function, sex drive and help them stick to a calorie deficit.

And even better, it costs nothing – it’s quite simply getting enough sleep. I want you to imagine two massive pyramids of important things in your life: one is essential for general wellbeing, and the other for achieving your diet and fitness goals. I don’t believe that the latter can be achieved effectively without first implementing and understanding the former.

Whether your goal is to perform better, gain more muscle or be slimmer, sleep plays a huge part and should be one of the first areas to audit.‡ When auditing sleep you want to look at duration for a start. There are some apps on smartphones, and Fitbits can also gauge the quality of the sleep you get. Audit your sleep log for the last seven nights. On how many of those nights did you get seven to nine hours?

Although sleep is free, there is certainly a place for investing in it with the right mattress, pillows and your sleep set-up in general, which might include fitting some better blinds for your room and a fan to keep you cool during the summer. I say to my clients, ‘Yes, it costs the same as your holiday that you went on for a week, but ultimately, you’ll spend years and potentially a decade going to sleep in that set-up each night – and that’s a better return on investment than a week away in Turkey, all-inclusive!’ Personally, I love to have a soft mattress, and I need more pillows than you could shake a stick at.

In recent years, I have, funnily enough, become accustomed to sleeping with a pregnancy pillow. Sounds odd, but it cost me the same as two gin and tonics and it’s revolutionized my sleep quality – I often find myself waking up in the exact same position I went to sleep in. Something so simple from Amazon has had such a positive impact on my daily life, and I’m sure that any investment you make in your sleep set-up will be returned.

I also have a fan in London and Sydney at the ready for a warm night; it’s much easier to fall asleep when you’re a little bit too cold than a little bit too hot. Cost per use – you’re laughing at the end of the day. It is essential that you strive to get seven to nine hours’ sleep every night.

Yes, seven to nine! Not six, not five. Seven to nine! The average person in the UK wakes up at 7.35 a.m. – this means that to get nine hours you’d need to go to bed and be asleep by 10.35 p.m. I need you to trial this for me as soon as you can – tonight, if possible. Even if it means putting this book down right now. I’ll be here for you tomorrow when you’ve had enough sleep. Getting adequate sleep will benefit your fat loss, your muscle growth and even your libido.

Fat loss – quite simply we’re more likely to overeat when we’re sleep-deprived, and we make
poorer food choices.
Muscle growth – testosterone is a key player in muscle growth in males and females and is
drastically affected by our sleep duration and quality.
Libido – both the factors of body composition and testosterone will also have a profound
influence on our libido and sex drive. So all the more reason to improve your sleep habits,
which affect these two factors.

James Smith-Personal Fitness Trainer

James Smith

James Smith is a well-known personal trainer and fitness coach based in the UK. He has gained a large following on social media, particularly on Instagram and YouTube, for his straightforward approach to health and fitness, often challenging mainstream ideas and advocating for evidence-based practices.

James is known for his no-nonsense approach to training and nutrition, emphasizing the importance of consistency and adherence to a sustainable lifestyle rather than quick-fix solutions. He has written several books on fitness and nutrition, including “Not a Diet Book” and “The Grind Bible”, which have become popular among his followers.

In addition to his online presence, James runs a coaching and training business, where he works with clients to help them achieve their fitness goals through customized workout and nutrition plans. He is also a frequent speaker at fitness conferences and events, where he shares his expertise and insights on the latest trends and practices in the industry.

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