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 is 82kg in stone and pounds?
82kg is equivalent to 12 stone 12.8 pounds (or 12 stone 13 pounds rounded), which is 182.4 pounds. Whether this weight is healthy depends entirely on your height. Using our free BMI calculator above, you can work out your personal BMI instantly. In the UK, most health assessments use BMI alongside your height to determine if your weight falls within a healthy range according to NHS guidelines. The same weight can be a healthy BMI for someone tall, or overweight for someone shorter — so height context is essential.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
What BMI does 82kg give at different heights?
To convert 82kg to stone, divide by 6.35 — giving you 12 stone 12.8 pounds. However, BMI depends on your height as well as your weight. Here's what 82kg means in terms of BMI at common UK heights:
- At 5ft 4in (163cm): BMI 30.6 — obese (Class I) category
- At 5ft 6in (168cm): BMI 29.6 — overweight category
- At 5ft 8in (173cm): BMI 27.6 — overweight category
- At 5ft 10in (178cm): BMI 25.9 — overweight category (just above healthy range)
- At 5ft 11in (180cm): BMI 25.3 — healthy weight range
- At 6ft 0in (183cm): BMI 24.5 — healthy weight range
This shows how kilogram to stone conversion works differently for each person — your height determines whether 82kg falls into the healthy, overweight, or obese category. Use the BMI calculator on this page to find your exact BMI instantly.
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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
According to NHS guidelines, a healthy BMI is between 18.5 and 24.9. At 82kg (12 stone 13 pounds), you'll fall into the healthy range if you're taller (around 5ft 11in or above), but into the overweight or obese category if you're shorter. BMI has limitations — it doesn't distinguish between muscle and fat, so athletes may have a higher BMI despite low body fat. Additionally, 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 levels. Your GP can give personalised guidance about what your weight means for your individual 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 82kg to stone accurately?
Divide 82 by 6.35029 to get 12.91 stone, which equals 12 stone and 12.8 pounds (or approximately 12 stone 13 pounds). The weight converter on this page does this instantly for you.
Is 82kg a healthy weight?
It depends on your height. At 82kg, taller adults (5ft 10in and above) typically fall into the healthy or overweight range, while shorter adults may be in the overweight or obese category. Use our BMI calculator to check your personal BMI.
What is 82kg in pounds only?
82kg equals approximately 180.8 pounds. In UK measurements, we usually express this as stone and pounds (12 stone 12.8 pounds) because stone is the traditional unit used here.
How much weight would I need to lose to reach a healthy BMI at 82kg?
This varies by height. At 5ft 6in, losing about 5–7kg would bring you into the healthy weight range. Your GP can advise on safe weight loss targets for your height and health.
Does muscle weigh more than fat at 82kg?
Yes — muscle is denser than fat. Two people at 82kg can look very different if one has high muscle mass and low body fat. BMI doesn't distinguish this, which is why it's useful as a screening tool but has limitations.
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.