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
What Is 82.4 Kg in Stone and What's Your BMI?
82.4 kg converts to approximately 13 stone 0 lbs in UK measurements. However, your BMI at this weight depends entirely on your height — the same weight can fall into different NHS health categories depending on how tall you are. Use our free BMI calculator above to find your exact BMI instantly, or read on to see how 82.4 kg translates to BMI at different heights, including which NHS category each falls into.
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Calculate Your BMI Instantly
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.
82.4 Kg BMI at Different Heights
To understand what 82.4kg means for your health, here's how it converts to BMI at six common heights:
- At 5ft 3in (160cm): BMI of 32.7 — falls into Obese (Class I) range
- At 5ft 6in (168cm): BMI of 29.4 — falls into Overweight range
- At 5ft 9in (175cm): BMI of 26.6 — falls into Overweight range
- At 5ft 11in (180cm): BMI of 24.5 — falls into Healthy weight range
- At 6ft 1in (185cm): BMI of 22.9 — falls into Healthy weight range
- At 6ft 3in (190cm): BMI of 21.4 — falls into Healthy weight range
This is why height matters so much — 82.4 kg in stone (13 stone) represents very different health contexts depending on your frame. Use the weight converter on this page to convert kilograms to stone for your own measurements, then calculate your personal BMI using our free BMI calculator.
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.
Understanding NHS BMI Categories and Limitations
The NHS uses standard BMI ranges: under 18.5 is underweight, 18.5–24.9 is healthy weight, 25.0–29.9 is overweight, and 30.0 and above is obese. However, BMI has important limitations — it doesn't distinguish between muscle and fat, so athletes or very muscular individuals may have a high BMI despite low body fat. BMI also doesn't account for where fat is stored; waist circumference matters too. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds because these groups face higher health risks at the same BMI. Your GP can give you personalised advice about what your individual BMI means for your health.
- 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 82.4 kg to stone and pounds?
82.4 kg equals approximately 13 stone 0 lbs (or 13 stone exactly). To convert kilograms to stone, divide by 6.35029. Our free weight converter above lets you switch between kg, stone, and lbs instantly for any weight.
Is 82.4 kg a healthy weight?
It depends on your height. At 82.4 kg, someone who is 5ft 11in would have a healthy BMI of 24.5, while someone 5ft 3in would have a BMI of 32.7 (obese range). Use the BMI calculator on this page to find your personal BMI and NHS category based on your exact height.
What's the healthy weight range at my height if I'm 82.4 kg?
The healthy BMI range is 18.5–24.9. At your height, you can calculate your healthy weight range instantly using our free BMI calculator above. It will show you both the lower and upper bounds of healthy weight for your specific height.
Does 82.4 kg mean I need to lose weight?
Whether weight loss is needed depends on your BMI and overall health. Some people at 82.4 kg are in a healthy weight range; others may benefit from lifestyle changes. Your GP can assess your individual situation and discuss any health concerns with you.
Can I use BMI alone to assess my health?
BMI is a useful screening tool but has limitations. It doesn't account for muscle mass, where fat is stored, or overall fitness. Waist circumference and other health markers matter too. For a complete health picture, discuss your results with your GP, who can consider your individual circumstances.
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.