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 82kg In Stones?
82 kilograms is equal to 12 stone and 12.9 pounds (or approximately 12 stone 13 pounds in everyday UK measurements). This conversion is straightforward using the standard metric-to-imperial formula: divide kilograms by 6.35 to get stone. For UK adults, understanding your weight in stone helps you compare it against NHS health guidance and assess whether you're in a healthy weight range for your height. Use our free weight converter above to switch between kg, stone, and pounds instantly whenever you need to.
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.
How Does 82kg Compare To UK Health Guidelines?
At 82kg (12 stone 13lbs), your health context depends entirely on your height. According to NHS guidance, a healthy BMI falls between 18.5 and 24.9. For example:
- If you're 5ft 6in (168cm), 82kg gives a BMI of approximately 26.5 — classified as overweight
- If you're 5ft 10in (178cm), 82kg gives a BMI of approximately 23.5 — classified as healthy weight
- If you're 6ft 0in (183cm), 82kg gives a BMI of approximately 21.9 — classified as healthy weight
Use our free BMI calculator on this page to check your personal BMI at 82kg and your height. Remember that BMI is a screening tool and does not account for muscle mass — athletes may have a higher BMI but lower body fat.
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 Next Steps For Your Weight
If your BMI is above 25, the NHS recommends speaking with your GP about weight management support. The NHS Health Check (available free to adults aged 40–74) includes weight and BMI assessment. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, lower BMI thresholds apply due to higher health risks at lower weights.
Healthy weight loss is typically 0.5–1kg per week and works best alongside dietary changes and increased physical activity. Your GP can discuss what a healthy weight range looks like for you personally and signpost you to local support services, including tier 1 and tier 2 weight management programmes.
- 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 manually?
Divide 82 by 6.35 to get stone (12.9 stone). Then multiply the decimal (0.9) by 14 to get pounds (12.6lbs). So 82kg ≈ 12 stone 13 pounds. Our weight converter above does this instantly for any weight you enter.
Is 82kg a healthy weight?
It depends entirely on your height. Use the BMI calculator on this page to find your personal BMI at 82kg. If it falls between 18.5 and 24.9, you're in the healthy range. If it's between 25 and 29.9, you're classified as overweight — your GP can advise on whether weight management would benefit your health.
What weight range should I aim for?
The NHS recommends a BMI between 18.5 and 24.9. For your height, your healthy weight range is roughly between (height × height × 18.5) and (height × height × 24.9) kilograms. Your GP can calculate this for you or discuss a realistic, personalised target weight based on your health.
Should I lose weight if I'm 82kg?
This depends on your height, BMI, age, and overall health. Being overweight (BMI 25–29.9) may increase health risks if you also have conditions like high blood pressure or type 2 diabetes. Your GP can assess your individual situation and discuss whether weight loss would benefit your health.
What is the best way to lose weight from 82kg?
The NHS recommends a calorie deficit of approximately 500 kcal per day, which typically results in losing 0.5–1kg per week. This works best alongside sustainable dietary changes, increased physical activity, and behaviour change support. Speak with your GP or a dietitian for personalised guidance, or ask about NHS weight management services in your area.
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.