The UK's most complete GLP-1 guide
Every Question Answered. Every Side Effect Explained.
- How GLP-1 medications work
- Mounjaro vs Wegovy compared
- Injection instructions
- Side effects & solutions
- What to eat on treatment
- FAQs answered
Free tracker included with every download this week
Is 14.8 Kg a Healthy Weight?
14.8 kilograms equals approximately 32.6 pounds (or 2 stone 4.6 lbs). Whether this weight is healthy depends entirely on your height, age, and overall health. For a child or very short adult, this might be a normal weight; for most adults, it would be significantly below a healthy range. Use our free BMI calculator to check your personal BMI and see where you fall on the NHS healthy weight scale. Your GP can give you personalised guidance based on your individual health profile.
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Enter your height and weight below. Supports both imperial (stone & lbs) and metric (kg). Results include NHS category, healthy weight range, and ethnicity adjustments.
What Is BMI and Why Does It Matter?
Body Mass Index (BMI) is the most widely used screening tool for assessing whether your weight falls within a healthy range. Used by the NHS, GPs, and weight management services across the UK, BMI provides a quick snapshot of your weight relative to your height. The formula is simple: your weight in kilograms divided by your height in metres squared (kg/m²).
While BMI isn't a perfect measure — it doesn't account for muscle mass, bone density, or fat distribution — it remains the standard first step in identifying potential weight-related health risks including type 2 diabetes, cardiovascular disease, high blood pressure, and certain cancers.
The NHS also recommends adjusted thresholds for people of South Asian, Chinese, or Black African heritage — a BMI of 23 or above is classified as overweight, and 27.5 as obese. Our calculator includes this adjustment as a one-click toggle.
Healthy Weight Ranges by Height (UK Adults)
For UK adults, a healthy BMI falls between 18.5 and 24.9 according to NHS guidelines. The healthy weight range varies significantly with height. At 14.8 kg, you would be well below a healthy range for any adult height. Here are three examples to illustrate how weight and height interact:
- At 150 cm (4ft 11in): healthy weight range is 41–55 kg (90–121 lbs). 14.8 kg would be significantly underweight.
- At 165 cm (5ft 5in): healthy weight range is 50–68 kg (110–150 lbs). 14.8 kg would be far below healthy.
- At 180 cm (5ft 11in): healthy weight range is 60–82 kg (132–181 lbs). 14.8 kg would be critically low.
This weight might be appropriate for a young child but not for adults. To convert between kilograms and stone, or to understand your personal healthy weight range, use our free weight converter and BMI calculator above to find your target weight based on your exact height.
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.
How It Works
Three simple steps to understand your weight and take action.
Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.
If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.
Use our progress tracker to log your weight weekly, visualise your journey with charts, and stay motivated — all stored privately in your browser.
Free Weight Loss Tools & Guides
Everything you need to understand your weight, explore medication options, and track your progress — completely free.
NHS Guidance and When to Seek Help
If you or someone you know weighs significantly below the healthy range for their height, it's important to speak with your GP. Being underweight can indicate nutritional deficiency, underlying health conditions, or other concerns that need professional assessment. The NHS recommends a holistic approach to health that includes not just weight, but waist measurement, fitness, and overall wellbeing.
Your GP can assess whether your weight is healthy in the context of your individual circumstances, medical history, and any symptoms you might be experiencing. They may refer you to a dietitian or specialist if needed. Remember, healthy weight is about long-term health, not appearance.
- Dual GIP/GLP-1 receptor agonist
- Up to 22.5% body weight loss (SURMOUNT-1)
- Weekly injection, dose escalation over 20+ weeks
- Available via private prescription in the UK
- Doses: 2.5mg → 5mg → 7.5mg → 10mg → 12.5mg → 15mg
- GLP-1 receptor agonist
- Up to 15–17% body weight loss (STEP trials)
- Weekly injection, 5-step dose escalation
- NHS & private prescription available
- Doses: 0.25mg → 0.5mg → 1mg → 1.7mg → 2.4mg
Mounjaro vs Wegovy: Head-to-Head
A side-by-side comparison of the two most popular GLP-1 weight loss medications available in the UK.
| Feature | Mounjaro | Wegovy |
|---|---|---|
| Drug class | Dual GIP/GLP-1 agonist | GLP-1 agonist |
| Active ingredient | Tirzepatide | Semaglutide |
| Avg. weight loss | 15–22.5% | 12–17% |
| Key trial | SURMOUNT-1 (2022) | STEP 1 (2021) |
| Max dose | 15 mg weekly | 2.4 mg weekly |
| Escalation period | 20–32 weeks | 16–20 weeks |
| Administration | Weekly injection (pen) | Weekly injection (pen) |
| NHS availability | Private prescription only | NHS & private |
| Approx. private cost | £150–£250/month | £150–£300/month |
| Common side effects | Nausea, diarrhoea, constipation | Nausea, vomiting, diarrhoea |
Data sourced from SURMOUNT-1 and STEP 1 clinical trials. Costs are approximate and vary by provider. Always consult a prescriber.
Am I Eligible for Weight Loss Medication?
In the UK, eligibility for GLP-1 weight loss medications like Mounjaro and Wegovy is based on your BMI and overall health profile.
- BMI of 30 or above (obese)
- Age 18 or over
- No contraindicated conditions
- Committed to lifestyle changes
- BMI of 27 or above
- Plus type 2 diabetes
- Or high blood pressure
- Or obstructive sleep apnoea
Use our BMI calculator to check whether your BMI falls within the eligible range.
How We Built These Tools
Every calculator and guide on myweightcheck is built with accuracy and transparency in mind. Our BMI calculator uses the standard WHO formula with NHS-aligned category thresholds. Our GLP-1 projections are modelled on published clinical trial data from SURMOUNT and STEP studies.
All data stays on your device. We don't require sign-ups, and we don't store your health information on any server. Your progress tracker saves data locally in your browser using localStorage, so only you can see it.
We're based in the UK and our tools are designed specifically for UK users — supporting stone & lbs by default, referencing NHS guidelines, using NICE-approved medication data, and linking to GPhC-registered pharmacies.
Frequently Asked Questions
Common questions about BMI, weight loss medications, and our free UK tools.
How do I convert 14.8 kg to pounds?
14.8 kg equals approximately 32.6 pounds (lbs). To convert kg to pounds, multiply the kilogram value by 2.20462. You can also use our free weight converter above for instant conversions between kg, stone, and lbs.
What is 14.8 kg in stone and pounds?
14.8 kg is approximately 2 stone and 4.6 pounds. In the UK, we often express weight using stone and pounds together. You can convert kilograms to stone by dividing by 6.35029, or use our weight converter to switch between metric and imperial measurements instantly.
Is 14.8 kg a healthy weight for an adult?
14.8 kg is significantly below a healthy weight range for any adult, regardless of height. A healthy weight for adults depends on height and other factors. Use our free BMI calculator to check your personal healthy weight range based on your height, or speak to your GP for personalised guidance.
What should I do if I'm underweight?
If you're underweight (BMI below 18.5), speak with your GP. Being below a healthy weight can indicate nutritional deficiency, health conditions, or other concerns. Your GP can assess your individual situation and refer you to a dietitian or specialist if needed for support and guidance.
How does height affect healthy weight?
Height significantly affects healthy weight ranges. Taller people have higher healthy weight ranges; shorter people have lower ranges. At any height, a BMI between 18.5 and 24.9 is considered healthy by the NHS. Use our BMI calculator to find your personal healthy weight range based on your exact height.
Ready to take control of your weight loss journey?
Start with a free BMI check, explore your GLP-1 options, or begin tracking your progress today. No sign-up. No cost. Just results.