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 Does 17 Stone Mean for a Man's Health in the UK?
17 stone is approximately 108 kilograms (238 lbs) — a weight that falls into the overweight or obese category for most UK men, depending on height. Understanding what this weight means for your health requires looking at your individual BMI, waist circumference, and overall fitness level. This guide explains where 17 stone sits on the NHS health scale, how it compares to average UK male weight, and what steps you can take if you're concerned about your health. Use our free BMI calculator above to find your personal BMI and healthy weight range based on your specific height.
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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.
17 Stone in Context: UK Health Standards and NHS Guidance
At 17 stone (108kg), your health risk depends heavily on your height. For a man of average UK height (5ft 9in / 175cm), 17 stone gives a BMI of approximately 30.8, which falls into the obese category according to NHS guidelines. However, if you're taller (e.g., 6ft 2in / 188cm), the same weight may fall into the overweight range (BMI approximately 27.8). The NHS recommends a healthy BMI of 18.5 to 24.9 for adults.
For comparison, the average UK adult man weighs approximately 85.7kg (13st 7lbs), so 17 stone is significantly above average. However, BMI alone doesn't tell the whole story — muscle mass, fitness level, and where fat is stored (especially around the waist) also matter. A man who is 17 stone with significant muscle mass may have different health implications than someone at the same weight with higher body fat.
- Waist circumference over 102cm (40 inches) indicates increased health risk for men
- Waist circumference over 94cm (37 inches) indicates elevated risk
- Combined with other factors (blood pressure, cholesterol, fitness), weight contributes to overall health assessment
Weight 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 Support and Next Steps for Weight Management in the UK
If you're concerned about being 17 stone, your GP is the best starting point for personalised NHS health advice. Your GP can assess your individual health risk, check your blood pressure and cholesterol, and discuss weight management options if appropriate. The NHS offers a free weight loss plan available through the NHS website, structured support through local weight management services, and in some cases, access to prescription weight management medication through specialist services.
Even a small reduction in body weight — as little as 5–10% — can bring meaningful health benefits including lower blood pressure, improved blood sugar control, and reduced joint stress. Use our free weight converter and BMI calculator above to track your personal measurements and see where you sit on the healthy weight scale for your height. This information can help you and your GP discuss realistic health goals together.
- 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.
Is 17 stone overweight or obese in the UK?
Whether 17 stone (108kg) is overweight or obese depends on your height. For an average UK man (5ft 9in), 17 stone gives a BMI of about 30.8, which is obese. For taller men (6ft 2in), the same weight may be overweight. Use our BMI calculator to check your personal BMI based on your exact height.
What's the healthy weight range for a 17-stone man?
For a man aged 5ft 9in (175cm), the healthy weight range is approximately 55–75kg (8st 8lbs–11st 11lbs, BMI 18.5–24.9). This varies significantly by height — taller men have higher healthy ranges. Calculate your personal healthy range using the weight converter and BMI calculator on this page.
Should a 17-stone man see a GP about his weight?
If you're concerned about your weight, your GP can provide personalised advice based on your health history, blood pressure, and other factors. They can discuss NHS weight management support, lifestyle changes, or referral to specialist services if appropriate. It's always worth a conversation.
What health risks are associated with 17 stone for men?
Being 17 stone increases risk of type 2 diabetes, high blood pressure, heart disease, and certain cancers — especially if combined with a large waist circumference (over 102cm for men). However, fitness level, muscle mass, and overall health also matter. Your GP can assess your individual risk.
Can I lose weight safely from 17 stone?
Yes. The NHS recommends losing 0.5–1kg per week through a combination of reduced-calorie diet and increased physical activity. Losing even 5–10% of body weight brings health benefits. Your GP can support you with the NHS Weight Loss Plan, local services, or specialist referral if needed.
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.