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 47.2kg in Stone?
47.2kg is equivalent to 7 stone and 6.4 pounds (7st 6.4lbs) using the standard kg to stone conversion formula. This weight is within the healthy weight range for most UK adults, depending on your height. If you need to convert between kilograms and stone regularly, you can use our free weight converter above to switch between metric and imperial measurements instantly. Understanding your weight in both units helps you engage with UK health guidance and track your progress effectively.
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.
Conversion Formula and Nearby Values
To convert kilograms to stone, divide the weight in kg by 6.35029. For 47.2kg, the calculation is: 47.2 ÷ 6.35029 = 7.43 stone, which equals 7 stone and 6.4 pounds.
Use the weight converter on this page to convert between kg, stone, and lbs instantly. Here are conversions for nearby values:
- 45kg = 7st 1.2lbs
- 46kg = 7st 3.4lbs
- 47kg = 7st 5.5lbs
- 47.2kg = 7st 6.4lbs
- 48kg = 7st 7.6lbs
- 49kg = 7st 9.8lbs
- 50kg = 7st 12lbs
These conversions are exact using the official conversion ratio of 1 stone = 6.35029kg.
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.
BMI Context at 47.2kg — What Does This Weight Mean?
Whether 47.2kg is a healthy weight depends entirely on your height. Use our free BMI calculator above to find your personal BMI instantly. For example, an adult of 160cm height (5ft 3in) would have a BMI of approximately 18.4 — which falls in the healthy weight range according to NHS guidelines (18.5–24.9).
However, at 175cm (5ft 9in), this same weight would give a BMI of around 15.4, which would be considered underweight. At 150cm (4ft 11in), the BMI would be approximately 21 — firmly in the healthy range. Your BMI is just one health screening tool and doesn't account for muscle mass or where fat is stored, so discuss your personal weight context with your GP for tailored advice.
- 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.
Is 47.2kg a healthy weight for adults?
It depends on your height. At 160cm, 47.2kg gives a BMI of 18.4 (healthy range). At 175cm, it's 15.4 (underweight). At 150cm, it's 21 (healthy). Use our BMI calculator above to find your personal result and discuss with your GP if you have concerns.
How do I convert 47.2kg to stone?
Divide 47.2 by 6.35029 to get 7.43 stone, which equals 7 stone 6.4 pounds. Our free weight converter on this page does this instantly — just enter your weight and switch between kg, stone, and lbs.
What's the difference between stone and kilograms?
Stone is the traditional UK unit of body weight (1 stone = 14 pounds = 6.35kg). Kilograms are metric and used globally and in NHS clinical settings. Both measure the same thing — they're just different measurement systems commonly used in the UK.
How does 47.2kg compare to average UK adult weight?
The average UK adult weighs around 80–85kg. At 47.2kg, you're lighter than average, though whether this is healthy depends on your height, frame size, and overall health. Your GP can advise if your weight is right for you.
Can I track weight loss from 47.2kg using MyWeightCheck?
Yes. Use our free progress tracker to log your weight in kg or stone, set realistic goals (aim for 0.5–1kg per week), and monitor your journey over time. Track alongside healthy diet and activity changes for best results.
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.