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 is 15.2 Kg in Stone?
15.2 kilograms is equal to 2 stone and 5.2 pounds (2st 5.2lbs). To convert kilograms to stone, you divide the kilogram value by 6.35029. This conversion is useful for understanding weight in UK measurements, which many British adults prefer when discussing their body weight. Use our free weight converter above to switch between metric and imperial measurements instantly, or follow the simple formula to calculate it yourself.
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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.
Conversion Formula and Nearby Values
To convert 15.2kg to stone, use this simple formula: kilograms ÷ 6.35029 = stone. So 15.2 ÷ 6.35029 = 2.39 stone, which is 2 stone and 5.2 pounds.
Here are weight conversions for values around 15.2kg, showing how stone and pounds conversion works across the range:
- 14.0 kg = 2st 3lbs
- 14.5 kg = 2st 4.2lbs
- 15.2 kg = 2st 5.2lbs
- 16.0 kg = 2st 7lbs
- 16.5 kg = 2st 8.2lbs
This table shows how each kilogram adds approximately 0.16 stone (or about 2.2 pounds) to the total weight. Understanding stone to kg conversion helps you track weight across different measurement systems used in the UK and internationally.
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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.
Health Context at 15.2 Kg
At 15.2kg (2st 5lbs), this weight is typically seen in children or young adolescents rather than adults. For adult health assessment, BMI (Body Mass Index) is calculated using weight and height together.
For example, an adult of average UK height (around 170cm) weighing 15.2kg would have a BMI far below the healthy range, indicating significant underweight status. However, this weight is completely normal and healthy for children.
If you're assessing weight for a child, use our free BMI calculator above and consult the NHS Healthy Weight Calculator for children, which uses age and sex-specific growth charts rather than adult BMI categories. Always speak to your GP or health visitor about weight concerns at any age.
- 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 15.2kg to stone and pounds?
Divide 15.2 by 6.35029 to get 2.39 stone. The 0.39 stone converts to 5.2 pounds, giving you 2 stone 5.2 pounds (2st 5.2lbs). Use our weight converter above for gradual improvement across multiple units.
Is 15.2kg a healthy weight for an adult?
15.2kg is significantly below healthy adult weight ranges and indicates severe underweight status. However, this weight is normal for children. For personalised health advice about weight, consult your GP. Use our BMI calculator to check your personal health status.
What is the stone to kg conversion formula?
To convert stone to kilograms, multiply the stone value by 6.35029. For example, 2 stone × 6.35029 = 12.7kg. To go the other direction, divide kilograms by 6.35029 to get stone.
How many pounds are in 2 stone 5.2 pounds?
2 stone 5.2 pounds equals approximately 33.2 pounds total. One stone equals exactly 14 pounds, so multiply stone by 14 and add remaining pounds: (2 × 14) + 5.2 = 33.2 pounds.
Why do UK adults use stone instead of kilograms?
Stone is the traditional UK and imperial unit for body weight. While the NHS uses kilograms clinically, many UK adults still prefer stone for personal weight discussions. Both measurements are equivalent — our free weight converter helps you switch between them instantly.
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.