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 97.1kg in Stone?
97.1kg is equal to 15 stone and 4.5 pounds (or 15st 4.5lbs in UK notation). To convert kilograms to stone, divide the kilogram value by 6.35029. At this weight, your BMI depends on your height — for example, at an average UK male height of 5ft 9in (175cm), 97.1kg gives a BMI of approximately 30.3, which falls in the obese category according to NHS guidelines. Use our free weight converter above to check conversions for other weights, or try our BMI calculator to see what this weight means for your personal health profile.
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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.
97.1kg in Stone — Conversion Table
To understand how 97.1kg compares to nearby weights, here's a reference table showing kilogram to stone conversion values:
- 94kg = 14st 11.2lbs
- 95.5kg = 15st 0.4lbs
- 97.1kg = 15st 4.5lbs
- 98.6kg = 15st 8.6lbs
- 100kg = 15st 10.4lbs
The conversion formula is straightforward: divide kilograms by 6.35029 to get stone. For example, 97.1 ÷ 6.35029 = 15.3 stone. To express this as stone and pounds, multiply the decimal (0.3) by 14, which equals 4.5 pounds. This method works for any weight value you need to convert between metric and imperial measurements.
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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.
97.1kg — Health Context and BMI Meaning
At 97.1kg, your health context depends entirely on your height, age, and overall fitness. For context: at 5ft 9in (175cm — average UK male height), this weight gives a BMI of 30.3, placing you in the obese category. At 5ft 6in (168cm — average UK female height), the same weight gives a BMI of 34.4, also obese. However, BMI does not distinguish between muscle and fat, so an athletic or muscular person at this weight may have a healthy body composition. Calculate your personal BMI using our free BMI calculator above to understand what 97.1kg means for you specifically, and speak with your GP if you have concerns about your weight and health.
- 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.
How do I convert 97.1kg to stone quickly?
Divide 97.1 by 6.35029. This gives 15.3 stone. To convert the decimal to pounds, multiply 0.3 by 14, which equals 4.5 pounds. So 97.1kg = 15 stone 4.5 pounds. Our free weight converter above does this instantly for any weight.
Is 97.1kg overweight or obese?
This depends on your height. At average UK heights, 97.1kg typically falls into the obese BMI category (BMI 30+). However, BMI is a screening tool only and does not account for muscle mass. Your GP can assess your individual health. Use our BMI calculator to check your personal BMI.
What's the healthy weight range at 97.1kg's height equivalent?
This varies by height. At 5ft 9in, the healthy weight range is approximately 55–74kg. At 5ft 6in, it's approximately 51–68kg. At 5ft 11in, it's approximately 59–79kg. Your GP or a registered dietitian can advise on a healthy target weight for your individual circumstances.
Can I lose weight effectively from 97.1kg?
Yes. The NHS recommends sustainable weight loss of 0.5–1kg per week through a combination of reduced-calorie diet and increased physical activity. Even losing 5–10% of body weight (roughly 5–10kg from this starting point) can significantly improve health outcomes including blood pressure, blood sugar, and cardiovascular health.
What if I need help losing weight from this starting point?
Speak with your GP about weight management options. The NHS offers tier 1 and 2 self-help programmes, and referral to specialist tier 3 services if appropriate. Prescription weight loss medications are available for eligible adults. Track your progress using our free progress tracker, and discuss any concerns with your healthcare provider.
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.