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's 82kg in Stone?
82 kilograms is equal to 12 stone and 13 pounds (12st 13lbs) in UK measurements. If you're checking your weight or tracking your health, understanding how weight converts between metric and imperial units is useful for comparing yourself against NHS guidelines and UK health standards. Our free weight converter above makes instant conversions between kg, stone, and pounds — helping you see your weight in the units you're most familiar with.
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.
82kg Weight and Health Context
At 82kg, your weight classification depends on your height and individual health factors. According to NHS guidance, a healthy weight range varies significantly based on how tall you are. For example, if you're 5ft 8in (173cm) tall, an 82kg weight gives a BMI of approximately 29.1, which falls in the overweight category (BMI 25–29.9). If you're taller, your BMI would be lower; if you're shorter, it would be higher.
- BMI below 18.5 = underweight
- BMI 18.5–24.9 = healthy weight
- BMI 25–29.9 = overweight
- BMI 30+ = obese
Use our free BMI calculator above to find your exact BMI using your own height and weight. Individual results vary depending on muscle mass, where fat is stored, and your personal health profile, so always discuss your weight with your GP for personalised guidance.
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.
Weight Management and Next Steps
If you're at 82kg and interested in weight management, the NHS recommends a sustainable approach combining dietary changes with increased physical activity. A reduction of even 5–10% of body weight can bring meaningful health benefits including improved blood pressure, better blood sugar control, and reduced joint strain.
If you meet NHS eligibility criteria (BMI over 30, or BMI 27–29.9 with weight-related health conditions), your GP can refer you to specialist weight management services, which may include prescription support. Our GLP-1 weight loss calculator can help estimate potential outcomes if you're considering medical options. Weight loss is always most effective when combined with lifestyle changes, not as a replacement for them.
- 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 and pounds accurately?
Divide 82 by 6.35029 to get stone, or multiply by 2.20462 to get pounds. 82kg = 12.92 stone = 180.8 lbs. For practical UK purposes, this is 12 stone 13 pounds. Our weight converter above calculates this instantly and converts between all common units.
Is 82kg a healthy weight?
It depends on your height and body composition. Use the BMI calculator on this page with your height to find your personal BMI. At average UK heights, 82kg typically falls in the overweight range, but only your GP can advise whether it's healthy for you individually.
What's the healthy weight range for someone at 82kg?
This varies by height. For someone 5ft 8in (173cm) tall, the healthy weight range is roughly 55–74kg. For someone 5ft 10in (178cm), it's 59–79kg. Use our BMI calculator to find the exact healthy weight range for your height.
Can I lose weight from 82kg with prescription medication?
Prescription weight loss medications like Mounjaro and Wegovy are available in the UK for eligible adults. You must meet specific criteria (BMI 30+, or 27+ with health conditions) and be assessed by a prescriber. These medications work alongside diet and exercise, not instead of them. Discuss options with your GP.
How much weight should I aim to lose per week safely?
The NHS recommends losing 0.5–1kg (1–2lbs) per week for sustainable results. This typically requires a calorie deficit of around 500 kcal per day. Faster weight loss carries risks of muscle loss and nutritional deficiency. Our progress tracker can help you log your weight loss journey safely and sustainably.
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.