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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What is 11.3 Stone in Kilograms?
11.3 stone is equal to approximately 71.75 kilograms (kg). This is a straightforward stone to kg conversion using the standard conversion factor of 1 stone = 6.35029 kg. Whether you're tracking your weight for health reasons, working with NHS measurements, or simply need to convert between imperial and metric units, understanding this conversion is useful. You can also use our free weight converter above to instantly switch between kg, stone, and pounds for any weight value.
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.
Stone to Kilograms Conversion Formula & Reference Table
To convert stone to kilograms, multiply the stone value by 6.35029. The formula is: stone × 6.35029 = kg. For 11.3 stone, the calculation is 11.3 × 6.35029 = 71.75 kg.
Here's a quick reference table showing 11.3 stone alongside nearby weight values:
- 11.0 stone = 69.85 kg
- 11.1 stone = 70.45 kg
- 11.2 stone = 71.10 kg
- 11.3 stone = 71.75 kg
- 11.4 stone = 72.40 kg
- 11.5 stone = 73.05 kg
- 11.6 stone = 73.70 kg
This kilogram to stone conversion table makes it easy to compare weights across metric and imperial systems used throughout the UK and beyond.
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 & Health Context at 11.3 Stone
At 11.3 stone (71.75 kg), your BMI depends on your height. For an adult of average UK height (around 170 cm or 5ft 7in), a weight of 71.75 kg gives a BMI of approximately 24.8, which falls within the healthy weight range of 18.5–24.9 according to NHS guidelines. However, BMI is just one screening tool and does not account for muscle mass or where fat is stored. Use our free BMI calculator above to find your exact BMI based on your height. For individuals of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds, so guidance may differ. If you want to track your weight over time, our free progress tracker can help you monitor changes alongside lifestyle goals.
- 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 11.3 stone to kilograms?
Multiply 11.3 by 6.35029. The answer is 71.75 kg. You can also use our free weight converter on this page to convert any weight instantly between stone, pounds, and kilograms without a UK pharmacy calculation.
Is 11.3 stone a healthy weight?
At 11.3 stone (71.75 kg), whether your weight is healthy depends on your height and body composition. Use our BMI calculator above with your height to check your personal BMI. At average UK height (170 cm), this weight gives a BMI of approximately 24.8, which is in the healthy range. Always consult your GP for personalised health advice.
How many pounds is 11.3 stone?
11.3 stone equals 158.2 pounds. Use the formula: stone × 14 = pounds. So 11.3 × 14 = 158.2 lbs. Our weight converter can switch between all three units (stone, pounds, and kilograms) instantly.
What is the conversion factor from stone to kg?
The exact conversion factor is 1 stone = 6.35029 kg. This is the standard scientific conversion used in the UK and internationally. To convert any weight in stone to kg, multiply the stone value by 6.35029.
At what height is 71.75 kg a healthy weight?
A weight of 71.75 kg is considered healthy (BMI 18.5–24.9) at heights roughly between 165 cm (5ft 5in) and 180 cm (5ft 11in). The exact range depends on your individual height and body composition. Check your personal BMI using our free calculator above.
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.