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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80.6 Kg to Stone — Quick Conversion
80.6 kilograms is equal to 12 stone and 8.4 pounds (or 12st 8lbs). This conversion uses the standard metric to imperial weight conversion formula. At average UK adult heights, a weight of 80.6kg typically falls into the overweight to obese BMI category according to NHS guidelines. Use our free BMI calculator above to check your personal BMI and understand what this weight means for your health at your specific height.
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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.
80.6 Kg to Stone Conversion Formula
To convert 80.6 kilograms to stone, divide by 6.35029 (the exact kilogram to stone conversion factor). This gives 80.6 ÷ 6.35029 = 12.69 stone, which breaks down as 12 stone and 9.7 pounds or approximately 12st 8lbs.
The metric to imperial weight conversion works both ways: 1 stone = 6.35029 kg, and 1 kilogram = 0.157473 stone. For quick reference, use our free weight converter above to switch instantly between kg, stone, and pounds.
- 80.6 kg = 12 stone 8.4 lbs
- Alternatively: 177.6 lbs (pure pounds)
- Formula: kg ÷ 6.35029 = stone
- Stone and pounds formula: multiply remainder by 14
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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.
80.6 Kg BMI and Health Context
At 80.6kg, your BMI depends on your height. For example, at an average UK adult height of 1.73m (5ft 8in), 80.6kg gives a BMI of approximately 27, placing you in the overweight category according to NHS guidelines. At 1.65m (5ft 5in), the BMI would be around 29.6, still overweight. At 1.80m (5ft 11in), it would be approximately 24.9, just within the healthy weight range.
Even modest weight loss of 5–10% body weight can improve blood pressure and blood sugar control. Our GLP-1 weight loss calculator can help you explore health options, and our progress tracker allows you to log any weight changes over time.
- 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 80.6 kg in stone and pounds?
80.6 kg equals 12 stone and 8.4 pounds (12st 8lbs). This uses the standard conversion factor of 6.35029 kg per stone. The exact decimal is 12.69 stone, which converts to 12 stone plus (0.69 × 14) pounds.
Is 80.6 kg a healthy weight?
Whether 80.6kg is healthy depends on your height and body composition. At average UK heights, it typically falls in the overweight or borderline obese range. Your GP or the BMI calculator on this page can give you personalised context based on your specific height.
How do I convert stone to kilograms?
To convert from stone to kg, multiply by 6.35029. For example, 12 stone × 6.35029 = 76.2kg. Our free weight converter above can do this instantly for any weight in stone, pounds, or kilograms.
What is the healthy weight range at my height?
The NHS healthy weight range depends on your height. Use our free BMI calculator on this page to find your healthy weight range. For most UK adults, a BMI between 18.5 and 24.9 is considered healthy, though South Asian and Black African adults should aim for 18.5 to 22.9.
How much weight would I need to lose to reach a healthy BMI?
This depends on your height and target BMI. At 1.73m (5ft 8in), reaching a BMI of 24.9 would require losing about 8–10kg from 80.6kg. Your GP or a weight loss professional can help you set realistic, personalised targets.
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.