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 kg Into Stone and What's Your BMI?
82 kilograms converts to 12 stone 13 pounds (12st 13lbs) in UK measurements. However, your BMI — which depends on your height — is what actually matters for health. At 82kg, your BMI ranges from about 25 (overweight) if you're very tall, to 35 (obese) if you're shorter. Use our free BMI calculator above to find your exact BMI and see where you fall on the NHS health scale.
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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 kg BMI at Different Heights
Your BMI at 82 kg depends entirely on your height. Here's what 82 kilograms means across a range of typical adult heights:
- 5ft 0in (152cm): BMI 35.4 — Obese Class I
- 5ft 4in (163cm): BMI 31.1 — Obese Class I
- 5ft 8in (173cm): BMI 27.4 — Overweight
- 5ft 10in (178cm): BMI 25.8 — Overweight
- 6ft 0in (183cm): BMI 24.5 — Healthy weight
- 6ft 2in (188cm): BMI 23.3 — Healthy weight
Notice how the same weight (82kg) produces very different BMI categories depending on height. This is why height matters — it's built into the BMI formula itself. You can instantly convert between kg, stone, and pounds using the weight converter on this page, and calculate your personal BMI using our free BMI calculator.
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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.
NHS BMI Categories and What They Mean
According to NHS guidance, BMI categories are:
- 18.5–24.9: Healthy weight
- 25.0–29.9: Overweight
- 30.0–34.9: Obese (Class I)
- 35.0–39.9: Obese (Class II)
- 40.0+: Severely obese (Class III)
Important: BMI is a useful screening tool but has limitations. It doesn't distinguish between muscle and fat, so athletes may have a higher BMI despite low body fat. Where you carry excess weight also matters — waist circumference is equally important. Your GP can provide personalised guidance on whether 82 kg is healthy for you specifically.
- 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 82 kg in stone and pounds?
82 kilograms equals 12 stone and 13 pounds (12st 13lbs). To convert kg to stone, divide by 6.35. So 82 ÷ 6.35 = 12.91 stone. The decimal (0.91) multiplies by 14 to give you pounds: 0.91 × 14 = approximately 12.7 pounds, which rounds to 13 pounds.
Is 82 kg overweight or obese?
At 82 kg, whether you're overweight, obese, or at a healthy weight depends on your height. A person who is 5ft 8in (173cm) at 82kg would have a BMI of 27.4 (overweight), while someone 5ft 0in (152cm) would have a BMI of 35.4 (obese). Use our free BMI calculator to check your personal BMI category.
What is the healthy weight range for 82 kg?
There's no single "healthy weight" — it depends on your height. At 82kg, you're in the healthy range if you're approximately 6ft 0in (183cm) or taller. For shorter heights, 82kg may be above the healthy range. Your GP can advise whether this weight is appropriate for your individual circumstances, including age, muscle mass, and medical history.
Can I use BMI to track weight loss?
Yes, BMI is useful for tracking progress. If you're losing weight, your BMI should gradually decrease. However, don't rely on BMI alone — also track how you feel, your energy levels, and measurements. Use our free progress tracker to log your weight loss journey alongside your BMI changes over time.
Should I aim to lose weight at 82 kg?
Only your GP can advise whether weight loss is right for you. If your BMI falls in the overweight or obese range and you have health conditions like high blood pressure or type 2 diabetes, your GP may recommend weight loss. If your BMI is in the healthy range for your height, weight loss may not be necessary. Always speak to your GP before starting a weight loss plan.
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.