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 kilos in stone?
47 kilograms converts to 7 stone and 5.8 pounds (or approximately 7st 6lbs) using the standard UK weight conversion. At this weight, understanding your BMI and healthy weight range is important for your health. Whether you're tracking your weight for health reasons or simply need to convert between metric and imperial measurements, our free weight converter and BMI calculator above can help you assess your personal health context. This guide explains what 47kg means in UK measurements and provides NHS health guidance.
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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.
47kg to stone conversion and what it means for your health
47 kilograms = 7 stone 5.8 pounds (7st 6lbs)
To convert 47kg to stone, divide the kilogram value by 6.35029. This gives approximately 7.41 stone, which breaks down as 7 full stones plus 0.41 of a stone. Since one stone equals 14 pounds, 0.41 stone multiplies to approximately 5.8 pounds.
Whether you're 47kg depends on your height, age, and individual body composition. Use our free BMI calculator above to check where you sit on the NHS BMI scale. A healthy weight range varies significantly based on your height — someone who is 47kg might be in a healthy range if they're shorter, but could be underweight if they're taller. Your GP can advise on what's healthy for you personally.
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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.
Is 47kg a healthy weight?
Whether 47kg is healthy depends entirely on your height. According to NHS guidelines, a healthy BMI is between 18.5 and 24.9. For example, if you're 160cm (5ft 3in) tall, 47kg gives a BMI of approximately 18.4, which is just below the healthy range. If you're 150cm (4ft 11in) tall, 47kg gives a BMI of around 20.9, which is solidly within the healthy weight range.
Use the free BMI calculator and weight converter on this page to check your personal BMI instantly. If you're concerned about your weight or health, speak with your GP who can provide personalised guidance based on your individual circumstances and medical history.
- 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 47kg to stone?
Divide 47 by 6.35029 to get 7.41 stone. This equals 7 stone and 5.8 pounds. Use the free weight converter on this page for instant conversions between kg, stone, and pounds.
Is 47kg considered underweight?
This depends on your height. At 47kg, you could be underweight, healthy, or overweight depending on how tall you are. Use our free BMI calculator above to check your personal BMI based on your height and weight.
What's the healthy weight range for my height if I'm 47kg?
A healthy BMI is 18.5–24.9 according to NHS guidance. The healthy weight range varies by height. At 160cm, healthy weight is roughly 47–63kg. At 150cm, it's about 42–56kg. Your GP can advise what's healthy specifically for you.
How does 47kg compare to average UK weight?
The average UK adult woman weighs around 71.6kg, and the average man weighs around 85.7kg. At 47kg, you're significantly lighter than average — but average doesn't mean healthy. Your individual healthy weight depends on your height, age, and medical history.
Should I use 47kg as a weight loss target?
Only if your GP has advised it. Never adopt a specific weight target without professional guidance. Your GP can help you set a safe, healthy weight goal based on your personal circumstances using our free BMI calculator and NHS health advice.
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.