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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47kg to Stone — Quick Conversion Guide
47 kilograms is equal to 7 stone and 5.8 pounds using the standard kilogram to stone conversion. This weight is considered healthy for most UK adults, though what constitutes a healthy weight depends on your height and individual health factors. Use our free weight converter above to check your weight in stone, pounds, or kilograms instantly. Understanding your weight in different units helps you track health progress more easily across NHS guidance, fitness apps, and personal health goals.
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.
Convert 47kg to Stone — Exact Calculation
47kg = 7 stone 5.8 pounds (or 7st 5.8lbs in UK notation)
To convert kilograms to stone, divide the kilogram value by 6.35029. So 47kg ÷ 6.35029 = 7.41 stone. Since one stone equals exactly 14 pounds, the decimal part (0.41) multiplied by 14 gives you 5.8 pounds.
- 47kg ÷ 6.35029 = 7.41 stone
- 0.41 × 14 = 5.8 pounds
- Result: 7 stone 5.8 pounds
Here are nearby values for quick reference when converting metric to imperial weight:
- 42kg = 6 stone 8.2lbs
- 44kg = 6 stone 13.5lbs
- 45kg = 7 stone 1.2lbs
- 46kg = 7 stone 3.5lbs
- 47kg = 7 stone 5.8lbs
- 48kg = 7 stone 8.1lbs
- 49kg = 7 stone 10.3lbs
- 50kg = 7 stone 12.6lbs
- 52kg = 8 stone 3.2lbs
Clinically BackedWeight Loss
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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? BMI and UK Context
Whether 47kg is healthy depends on your height. At 47kg, your BMI falls into different categories based on how tall you are. For example, at average UK female height (161.6cm / 5ft 3in), a weight of 47kg gives a BMI of approximately 18.1, which is comfortably in the healthy weight range (18.5–24.9 according to NHS guidelines). However, at a taller height, the same weight would give a lower BMI.
Use our free BMI calculator above to check your personal BMI instantly. This gives you a more complete picture of whether 47kg is healthy for your specific height. Remember that BMI is a screening tool and doesn't account for muscle mass or where fat is stored — your GP can give you personalised advice about your individual 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.
How do I convert 47kg to stone quickly?
Divide 47 by 6.35029 to get 7.41 stone. Multiply the decimal (0.41) by 14 to get pounds (5.8). Result: 7 stone 5.8 pounds. You can also use our free weight converter above for instant calculations in both directions.
Is 47kg underweight?
Not necessarily. Whether 47kg is underweight depends on your height. At average UK female height (5ft 3in), 47kg gives a BMI of about 18.1, which is healthy. Taller individuals might have a lower BMI at this weight. Check your personal BMI using our free calculator on this page.
What is 47kg in pounds only?
47kg = approximately 103.6 pounds (47 × 2.20462). However, in the UK, weight is typically expressed in stone and pounds rather than just pounds, so 7 stone 5.8 pounds is the more natural format.
How does 47kg compare to average UK weights?
The average UK adult woman weighs about 71.6kg (11 stone 3lbs) and average adult man weighs 85.7kg (13 stone 7lbs). At 47kg, you are significantly below these averages, which might indicate a smaller frame or younger age. Your GP can assess whether this is healthy for you personally.
Can I use a stone to kg conversion formula instead?
Yes. To convert stone and pounds to kg, use: (stone × 6.35029) + (pounds × 0.453592). Working backwards, 7 stone 5.8 pounds becomes (7 × 6.35029) + (5.8 × 0.453592) = 44.45 + 2.63 = 47.08kg, which confirms our conversion.
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.