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
Is 102 Kilos a Healthy Weight?
102 kilograms equals 16 stone and 1 pound in UK measurements. Whether this weight is healthy depends entirely on your height, age, and overall health. Using NHS BMI guidelines, a 102kg weight can fall anywhere from overweight to obese depending on how tall you are. The good news is that our free BMI calculator above will instantly show you your personal BMI and whether 102kg is in the healthy range for your height. Let's explore what this weight means for you and how to find your healthy weight range.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
Healthy Weight Ranges at Different Heights
To understand whether 102kg is healthy for you, we need to look at your height. Here are three realistic examples using NHS BMI categories:
- At 5ft 6in (168cm): 102kg gives a BMI of 33 — this falls in the obese category (BMI 30+). Healthy weight range for this height: 50–67kg (7st 12lbs to 10st 8lbs).
- At 5ft 10in (178cm): 102kg gives a BMI of 31.6 — also in the obese range. Healthy weight range: 56–76kg (8st 12lbs to 12st 0lbs).
- At 6ft 2in (188cm): 102kg gives a BMI of 27.2 — this falls in the overweight category (BMI 25–29.9). Healthy weight range: 63–85kg (9st 13lbs to 13st 6lbs).
Use our free weight converter above to see exactly what 102kg is in stone and pounds, then use the BMI calculator to check your personal BMI.
Clinically BackedWeight 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.
What to Do If 102kg Is Outside Your Healthy Range
If your BMI shows you're in the overweight or obese range at 102kg, the NHS recommends several evidence-based steps. First, focus on sustainable lifestyle changes: aim to lose weight gradually at 0.5–1kg per week through a balanced diet and regular physical activity. Your GP can refer you to NHS weight management services if you need structured support. For some people, prescription weight loss medications may be appropriate — these require a clinical assessment from your prescriber. Remember, waist measurement also matters: for men, a waist over 94cm (37in) indicates increased health risk; for women, over 80cm (31.5in). Even modest weight loss of 5–10% can significantly improve your 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.
What is 102kg in stone exactly?
102 kilograms equals 16 stone and 1 pound (16st 1lb). To convert kg to stone, divide by 6.35 — so 102 ÷ 6.35 = 16.06 stone. This is the standard kilogram to stone conversion used across the UK.
Is 102kg overweight or obese?
It depends on your height. At 102kg, your BMI could range from 25.5 (overweight) to 33 (obese) depending on how tall you are. Use our BMI calculator above to find your personal BMI and health category based on your actual height.
What is a healthy weight for my height?
Your healthy weight range (BMI 18.5–24.9) varies by height. At 5ft 8in, healthy weight is 55–74kg. At 5ft 10in, it's 56–76kg. At 6ft, it's 64–81kg. Use the BMI calculator on this page to calculate your precise healthy weight range based on your exact height.
Can I lose weight safely from 102kg?
Yes. The NHS recommends losing 0.5–1kg per week through a calorie deficit and increased physical activity. This approach is sustainable and reduces muscle loss. Your GP can help with a structured plan, or our progress tracker can help you monitor your weight loss journey.
When should I see my GP about my weight?
See your GP if you're concerned about your weight, especially if it's affecting your health or energy levels. Your GP can assess your overall health, calculate your BMI officially, check your waist measurement, and refer you to NHS weight management services if appropriate.
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.