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 15 Stone 7 Lbs Mean for Your Health?
15 stone 7 lbs is equivalent to approximately 98.4 kg — a weight that sits in the obese category according to NHS guidance for most adults. Understanding what this weight means for your health, and how it compares to healthy weight ranges, is an important step toward making informed decisions about your wellbeing. Use our free BMI calculator and weight converter above to assess your personal health context instantly, then read on for NHS health advice tailored to UK adults.
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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.
Converting 15 Stone 7 Lbs to Metric and Understanding Your BMI
15 stone 7 lbs converts to 98.4 kg using the standard UK weight conversion formula. Breaking this down: 15 stone equals 95.25 kg (15 × 6.35029), and 7 lbs equals 3.175 kg (7 × 0.453592), totalling 98.4 kg. To find your BMI at this weight, divide 98.4 by your height in metres squared. For example, an adult who is 1.75 metres tall (5 feet 9 inches) would have a BMI of approximately 32.1, placing them in the obese (Class I) category according to NHS classifications. BMI is a useful screening tool, but it's important to remember that BMI does not distinguish between muscle and fat — your GP can provide personalised health advice about what your individual weight means for your health.
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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.
Is 15 Stone 7 Lbs Within a Healthy Weight Range?
For most UK adults, a healthy weight sits between 18.5 and 24.9 BMI, which varies by height. At 15 stone 7 lbs, most adults would fall outside the healthy weight range according to NHS guidance. However, healthy weight is individual — it depends on your height, age, muscle mass, and overall health. If you're concerned about your weight or health, your GP can discuss your personal situation and suggest next steps, which might include lifestyle changes, weight management support, or other interventions. Our weight converter and BMI calculator above can help you explore where your weight sits relative to healthy ranges for your height.
- 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 15 stone 7 lbs in kilograms?
15 stone 7 lbs equals 98.4 kg. You can convert between stone, pounds, and kilograms instantly using our free weight converter above. Understanding your weight in metric units is helpful for calculating BMI and discussing weight with healthcare professionals.
What BMI does 15 stone 7 lbs correspond to?
Your BMI depends on your height. For example, someone 5 feet 9 inches tall weighing 15 stone 7 lbs would have a BMI of approximately 32, which falls in the obese (Class I) category. Use our free BMI calculator to find your exact BMI based on your height and weight.
Is 15 stone 7 lbs overweight or obese according to NHS guidance?
At 15 stone 7 lbs, most adults would fall into the obese category (BMI 30–34.9) or above, depending on their height. NHS guidance defines healthy weight as a BMI of 18.5–24.9. If you're concerned about weight-related health risks, your GP can offer personalised advice and support options.
What are the health risks associated with this weight?
Excess weight can increase the risk of type 2 diabetes, heart disease, high blood pressure, sleep apnoea, and certain cancers. However, even modest weight loss of 5–10% of body weight can improve these health markers. Your GP can assess your individual health risks and discuss weight management strategies.
What weight management options are available in the UK?
Options include lifestyle changes (diet and exercise), NHS weight management programmes (through your GP), specialist tier 3 services, and prescription weight loss medications. Our GLP-1 weight loss calculator can help you explore potential outcomes with medication support. Your GP can discuss which options are suitable 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.