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
11 Stone 3 In Kg — Quick Conversion & Health Context
11 stone 3 pounds converts to approximately 71.2 kg using the standard UK weight conversion. If you're tracking your weight in both metric and imperial units, understanding this conversion is helpful for NHS health guidance, GP appointments, and using UK health information resources. Whether you're monitoring your health or comparing measurements, knowing your weight in kilograms can help you determine where you sit on NHS BMI guidelines and what your healthy weight range should be.
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.
What Does 11 Stone 3 Mean For Your Health?
At 11 stone 3 (71.2 kg), your health context depends entirely on your height. According to NHS guidance, BMI is calculated by dividing weight in kilograms by height in metres squared. For example, if you're 5ft 8in (173cm), 11 stone 3 gives a BMI of approximately 24.9 — right at the upper end of the healthy weight range. However, at 5ft 4in (163cm), the same weight would give a BMI of around 27.3, falling into the overweight category. Use our free BMI calculator above to check your personal BMI instantly based on your exact height and weight.
- NHS healthy weight range: BMI 18.5–24.9 for most adults
- For South Asian, Chinese, Black African, and Black Caribbean adults, the NHS recommends a healthy BMI of 18.5–22.9
- Individual health depends on fitness, muscle mass, and overall lifestyle — BMI is a screening tool, not a diagnosis
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.
Converting Between UK Weight Measurements
Converting 11 stone 3 to kg is straightforward: multiply the stone amount by 6.35029, then add the pounds multiplied by 0.453592. So 11 × 6.35029 = 69.85 kg, plus 3 × 0.453592 = 1.36 kg, totalling 71.2 kg. Our free weight converter on this page makes this instant and removes the maths. If you need to switch between kilograms, stone, and pounds regularly — for health tracking, GP visits, or weight management — bookmark this page or use our progress tracker to log your weight in whichever unit feels most natural to you.
- 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 11 stone 3 in kilograms exactly?
11 stone 3 pounds equals 71.2 kg. To convert: multiply stone by 6.35029 and pounds by 0.453592, then add them together. Our weight converter above does this instantly for you.
Is 11 stone 3 a healthy weight?
That depends entirely on your height. At 11st 3 (71.2kg), use our free BMI calculator to check your personal BMI. The NHS considers a BMI of 18.5–24.9 healthy for most adults, though lower thresholds apply for certain ethnic backgrounds.
How do I convert 71.2 kg back to stone and pounds?
Divide kg by 6.35029 to get stone, then multiply the decimal remainder by 14 to get pounds. 71.2 ÷ 6.35029 = 11.21 stone, which is 11 stone 3 pounds. Use our weight converter for instant two-way conversions.
What should my healthy weight be if I'm 5ft 8in?
At 5ft 8in (173cm), the NHS healthy weight range is approximately 55–74 kg (8st 8lbs to 11st 9lbs). Your GP can advise on a personal target based on your fitness, muscle mass, and health conditions.
Where can I get UK health guidance about weight management?
Your GP is the best first step for personalised advice. The NHS also offers the free NHS Weight Loss Plan (for England), specialist tier 3 weight management services, and many online tools. MyWeightCheck provides free BMI and weight calculators aligned with NHS guidance.
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.