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
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What BMI Is 324 Lbs? Convert to Kg and Check Your Category
324 lbs is equivalent to approximately 147 kg in metric measurements. Your BMI at this weight depends entirely on your height — the same weight can fall into different NHS categories depending on how tall you are. This guide shows you what your BMI would be at common UK heights, which NHS weight category applies, and what this means for your health. Use our free BMI calculator above to find your exact personal BMI instantly.
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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.
324 Lbs (147 kg) BMI at Different Heights
To convert 324 lbs to kg, divide by 2.20462, which gives 147 kg. Your BMI depends on height, so here are BMI values at common UK heights for someone weighing 324 lbs:
- At 5ft 4in (163cm): BMI 25.3 — Overweight (NHS category)
- At 5ft 6in (168cm): BMI 23.8 — Healthy weight
- At 5ft 8in (173cm): BMI 22.3 — Healthy weight
- At 5ft 10in (178cm): BMI 21.1 — Healthy weight
- At 6ft 0in (183cm): BMI 19.9 — Healthy weight
- At 6ft 2in (188cm): BMI 18.9 — Healthy weight
You can see how a stone to kg conversion combined with height dramatically changes your BMI category. Use the weight converter on this page to switch between metric and imperial units, then calculate your personal BMI using our tool above.
Clinically BackedWeight Loss
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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
According to NHS guidelines, a healthy BMI falls between 18.5 and 24.9 for most UK adults. At 324 lbs (147 kg), whether you fall into the healthy weight, overweight, or obese category entirely depends on your height — this is why BMI must always be considered alongside height. It's important to note that BMI has limitations: it does not account for muscle mass, bone density, or where fat is stored on your body. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds due to higher health risks at the same weight. Discuss your personal BMI and health with your GP for tailored guidance.
- 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.
What is 324 lbs in kilograms?
324 lbs is approximately 147 kg. To convert pounds to kilograms, divide the number of pounds by 2.20462. You can use the free weight converter on this page to convert between kg, stone, and lbs instantly.
Is 324 lbs a healthy weight?
Whether 324 lbs is healthy depends entirely on your height. At 5ft 6in, it gives a healthy BMI of 23.8. At 5ft 4in, it gives an overweight BMI of 25.3. Use our free BMI calculator above to check your personal BMI based on your exact height.
What NHS weight category is 324 lbs?
The NHS weight category depends on your height and BMI. The same weight (147 kg or 324 lbs) can fall into healthy weight, overweight, or obese categories depending on how tall you are. Your GP can advise which category applies to you personally.
How do I convert stone to kg for 324 lbs?
First convert 324 lbs to stone (approximately 23 stone 2 lbs), then convert to kg: multiply stone by 6.35029 and pounds by 0.453592. The free weight converter on this page does this calculation instantly for you.
Why does BMI change based on height?
BMI divides weight by height squared — taller people can weigh more without exceeding healthy ranges. This is why 147 kg (324 lbs) is healthy at 5ft 10in but overweight at 5ft 4in. Your GP or our BMI calculator can show your personal BMI.
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.