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 80.6 Kilos in Pounds and BMI?
80.6 kilos equals approximately 177.6 pounds. However, your BMI—which is the key measure of whether this weight is healthy for you—depends entirely on your height. At different heights, 80.6kg gives very different BMI results and falls into different NHS weight categories. Use our free BMI calculator above to find your exact BMI, or read on to see where this weight sits across common UK heights.
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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.
80.6kg BMI at Different Heights
Here's what a weight of 80.6 kilos means in terms of BMI at various heights commonly seen in UK adults:
- At 5ft 4in (163cm): BMI of 30.1 — falls into the Obese (Class I) category
- At 5ft 6in (168cm): BMI of 28.5 — falls into the Overweight category
- At 5ft 8in (173cm): BMI of 27.0 — falls into the Overweight category
- At 5ft 10in (178cm): BMI of 25.4 — falls into the Healthy weight category
- At 6ft 0in (183cm): BMI of 24.1 — falls into the Healthy weight category
- At 6ft 2in (188cm): BMI of 22.8 — falls into the Healthy weight category
To convert kilograms to stone and pounds, divide your weight by 6.35—so 80.6kg equals 12 stone 9 pounds. The NHS uses BMI as a screening tool for health risk, but remember that BMI doesn't account for muscle mass or where fat is stored.
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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 Weight Categories
The NHS recognises five BMI categories for adults. A healthy BMI is between 18.5 and 24.9, which represents the lowest health risk. Overweight (BMI 25–29.9) and Obese categories (BMI 30 and above) indicate increasing health risks including type 2 diabetes, cardiovascular disease, and joint problems. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, lower thresholds apply because these groups face higher health risks at the same BMI. Your GP can give you personalised guidance on what your BMI means for your individual health. Use our weight converter above to check your weight in different units, and try our free BMI calculator to see your exact category.
- 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 80.6kg in pounds?
80.6 kilograms equals approximately 177.6 pounds (lbs). In stone and pounds—the measurement system commonly used in the UK—80.6kg is 12 stone 9.6 pounds. You can use our free weight converter above to switch between kg, pounds, and stone instantly.
Is 80.6kg a healthy weight?
This depends entirely on your height. At 5ft 10in or taller, 80.6kg typically falls within a healthy BMI range. At shorter heights—around 5ft 4in—it may indicate overweight or obese categories. Use our BMI calculator above to check your personal BMI and health category.
What BMI does 80.6kg give at 5ft 8in?
At 5ft 8in (173cm), a weight of 80.6kg gives a BMI of 27.0, which falls into the Overweight category according to NHS guidelines. A healthy BMI at this height would be between 54–73kg. Your GP can discuss whether weight management would benefit your individual health.
How do I convert 80.6kg to stone?
To convert kilograms to stone, divide by 6.35. So 80.6kg ÷ 6.35 = 12.7 stone (or 12 stone 9.6 pounds). Our free weight converter on this page makes this instant—just enter 80.6 in the kg field and it converts to stone and pounds automatically.
What health risks are associated with this weight?
Health risks depend on your BMI category, which depends on your height. If your BMI is 25 or above, you may have increased risk of type 2 diabetes, high blood pressure, and cardiovascular disease. Your GP can assess your individual health and discuss whether lifestyle changes or weight management support would be beneficial for you.
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.