Check Your BMI
BMI Calculator
BMI (body mass index) is a measure of whether you’re a healthy weight for your height. BMI gives a good estimate of your weight-related health risks for most adults, there are exceptions.
Ethnicity, pregnancy, being muscular and anyone under 18 or over 60 this calculator may over or underestimate and so additional calculations or measurements are required. I will cover this in another blog.
How to check your BMI (BMI Calculator) to see if you are in a healthy weight range. To do this you need your current weight (kg) and height (cm) measurements. This will give you a number that is called your Body Mass Index (BMI) Generally if your BMI is over 35, or under 18, your health is at risk.
You can calculate your Body Mass Index using the BMI Calculator below.
Understanding your BMI result
Underweight
Being underweight (BMI<18.5) could be a sign you’re not eating enough or you may be ill. If you’re underweight, we can assist you with nutritional advice on how to get your weight back to a healthy range. A detailed programme is created for you with recipes and a shopping list to make it as easy as possible.
Healthy weight
A healthy weight range (BMI 8.5-24.5) is where you want to be, so that is great if you are at the ideal body weight for you. But do remember this is a wide range and further tweaking may be required regarding your fat stores and muscle mass. Important to prevent future health issues.
Overweight
If you are overweight (BMI 24.5-29.9) chances are you have tried a few if not several times to change this. Weight loss is a specialist area at 121 Dietitian and we have helped thousands of people safely lose weight and most importantly keep this in control and enjoy life. Following our specialist, personalised plan and building in appropriate exercise is the goal.
Obese
A BMI of over 30 means you are in the obese category and clinically obese is where your BMI is over 35. It can feel overwhelming and lonely when you are faced with the thought of losing weight, especially if you have a lot to lose. Chances are like many you have tried repeatedly to tackle this yourself or with some form of generic programme and ended up back to the weight you were or heavier.
Here at 121 Dietitian we work with you to ensure this doesn’t happen again. We know it can take a few weeks to several months to get everything optimal in your life and health to see successful and permanent weight loss. You may need some blood tests for this which we will guide you on. A personalised programme is created for you taking into account every aspect of your life: including your health, your likes, dislikes, cooking ability, finances etc. Our Plus programme will monitor you for up to a year to ensure you are meeting your goals AND more crucially keeping the weight off for good.
BMI for Black, Asian and other minority ethnic groups
Black, Asian and other minority ethnic groups have a higher risk of developing some long-term (chronic) conditions, such as type 2 diabetes. Checking your BMI figure
Black, Asian and other minority ethnic groups adults with a BMI of:
- 23 or more are at increased risk
- 27.5 or more are at high risk
- Full Body Analysis in Seconds – Get a professional-level body composition reading in just 15 seconds, without the need for apps or Bluetooth. The TANITA BC-545N provides instant, precise results directly on the built-in display. Designed for home use, it offers convenience and reliability for up to five individual user profiles — perfect for families or fitness enthusiasts tracking their progress over time.
- Segmental Measurements for Complete Insight – Unlike standard bathroom scales, this advanced segmental body composition monitor measures fat and muscle mass separately for each arm, leg, and the torso. Using hand and foot electrodes, it delivers an accurate full-body analysis, helping you understand the distribution of muscle and fat across your entire body.
- Clear On-Handle Display – Stay informed at a glance. The integrated handle display instantly shows your key metrics, including body fat percentage, muscle mass, bone mass, visceral fat, and basal metabolic rate (BMR). The illuminated screen and easy navigation make every reading simple and effortless to interpret.
- Boost Your Progress with Targeted Insights – Identify where your body is gaining muscle or storing fat, allowing you to fine-tune your training and nutrition plan. Whether your goal is to build strength, improve endurance, or achieve a healthier balance, the BC-545N helps you focus on the areas that matter most.
- Long-Term Tracking for Lasting Motivation – The BC-545N stores and compares your historical data automatically, enabling you to monitor your health journey with precision. View progress trends over days, weeks, or months and stay motivated to reach your fitness goals with continuous, reliable feedback.
- This Body Tape Measure is specially designed for making an easy body measurement by yourself
- Great for weight loss, online shopping or fat monitor to measure your waist, chest, arm, thigh, calf, hips and more
- Self-locking, push-button retraction; flexible and durable, easy to get accurate measurements
- 60-Inch/ 1.5 Meters in Length. Attention that it’s not start from ZERO inch due to the self-locking structure
What to do next about your BMI or anything else..
If you are unsure of how to increase or decrease your weight, change your eating habits or need help optimising the foods you eat and are not sure what programme to select please do contact us. We would love to help you or your family and friends with any nutrition-related queries big or small.
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