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 kilos in stone, and what BMI does it give?
97 kilos converts to 15 stone 4.6 pounds in UK measurements. However, your BMI at this weight depends entirely on your height — the same weight gives very different BMI values for different people. This guide shows you what BMI 97kg produces at common UK heights, where each falls on the NHS scale, and what it means for your health. Use our free BMI calculator above to check your personal BMI instantly, or read on for detailed examples using the standard kilogram to stone conversion formula.
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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.
What BMI does 97kg give at different heights?
At 97 kilos, your BMI varies significantly depending on your height. Here are BMI values at common UK heights:
- 160cm (5ft 3in): BMI 37.9 — Obese (Class II)
- 165cm (5ft 5in): BMI 35.6 — Obese (Class II)
- 170cm (5ft 7in): BMI 33.6 — Obese (Class I)
- 175cm (5ft 9in): BMI 31.6 — Obese (Class I)
- 180cm (5ft 11in): BMI 29.9 — Overweight
- 185cm (6ft 1in): BMI 28.3 — Overweight
These calculations use the standard BMI formula: weight (kg) ÷ height (m)². If you need to convert your height to metres first, try the weight converter on this page. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds — at these heights, 97kg may fall into a higher risk category.
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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 BMI categories and limitations
The NHS categorises BMI as: Healthy (18.5–24.9), Overweight (25–29.9), Obese Class I (30–34.9), Obese Class II (35–39.9), and Severely Obese (40+). At 97kg, most adults fall into the Obese or Overweight range depending on height. However, BMI has important limitations — it does not distinguish between muscle and fat, so athletes or very muscular individuals may have a high BMI but low body fat. It also does not account for where fat is stored; waist circumference and overall fitness matter equally. If you have concerns about your BMI or health, your GP can provide personalised advice and consider your individual circumstances, medical history, and fitness level alongside BMI.
- 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 97kg in stone and pounds?
97kg converts to 15 stone 4.6 pounds using the standard conversion (1 stone = 6.35029kg). You can use the weight converter on this page to convert between kg, stone, and pounds instantly.
Is a BMI of 30–36 at 97kg serious?
A BMI in the Obese range (30+) indicates increased health risks including type 2 diabetes, cardiovascular disease, and joint problems. Your GP can assess your individual risk and discuss whether lifestyle changes or medical support would help. Even losing 5–10% of body weight can improve health markers.
What healthy weight range should I aim for?
At any height, use our free BMI calculator to find your healthy weight range (BMI 18.5–24.9). For example, at 175cm, a healthy weight is roughly 56–76kg. Your GP can discuss realistic, sustainable targets for you based on your health, fitness, and circumstances.
Can I use the BMI calculator above to check my exact BMI?
Yes — the free BMI calculator on this page lets you enter your exact height and weight to calculate your personal BMI instantly. It also shows you where you fall on the NHS scale and your healthy weight range for your height.
Does muscle mass affect BMI at 97kg?
Yes. BMI does not distinguish muscle from fat, so very muscular or athletic individuals may have a high BMI despite low body fat. If you're concerned, your GP or a fitness professional can assess body composition more accurately using waist measurement, body fat testing, or other methods beyond BMI alone.
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.