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 11 Stone 12 in Kilograms?
11 stone 12 pounds is equivalent to approximately 75.3 kilograms. This conversion uses the standard formula: multiply stone by 6.35029, then add pounds converted to kilograms. At this weight, your BMI depends on your height — use our free weight converter and BMI calculator above to find your personal health context. Understanding your weight in both imperial and metric measurements helps you track progress and align with NHS health guidance, which typically uses kilograms for clinical purposes.
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.
How to Convert 11 Stone 12 to Kilograms
The conversion from stone and pounds to kilograms uses straightforward multiplication and addition. First, convert the stone: 11 stone × 6.35029 = 69.85 kg. Next, convert the pounds: 12 lbs × 0.453592 = 5.44 kg. Adding these together gives 75.29 kg, or approximately 75.3 kg.
This is the standard conversion used across UK health services, NHS calculators, and clinical weight management programmes. You can verify this instantly using our free weight converter above. The reverse calculation works too: 75.3 kg ÷ 6.35029 = 11.87 stone, which equals 11 stone 12 pounds.
Remember: slight variations may appear depending on rounding, but 75.3 kg is the accurate figure for 11st 12lbs.
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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 11 Stone 12 a Healthy Weight?
Whether 11 stone 12 (75.3 kg) is a healthy weight depends entirely on your height. Using NHS BMI guidelines, calculate your personal BMI with the free BMI calculator on this page. For example, at 5ft 9in (175 cm), a weight of 75.3 kg gives a BMI of 24.6 — falling within the healthy weight range of 18.5–24.9. At 5ft 5in (165 cm), the same weight gives a BMI of 27.7 — classified as overweight by NHS standards.
If you're concerned about your weight or health, your GP can provide personalised advice. For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends lower BMI thresholds due to increased health risk at lower weights. Track your weight journey using our free progress tracker.
- 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 many kilograms is 11 stone 12 pounds exactly?
11 stone 12 pounds equals approximately 75.3 kilograms (75.29 kg to be precise). This uses the conversion formula: (11 × 6.35029) + (12 × 0.453592) = 75.29 kg. Most health services round this to 75.3 kg for practical purposes.
What is my BMI if I weigh 11 stone 12?
Your BMI depends on your height. Use the free BMI calculator above to find your personal BMI at 75.3 kg. For example: at 5ft 9in you'd have a BMI of 24.6 (healthy); at 5ft 5in you'd have a BMI of 27.7 (overweight). NHS considers 18.5–24.9 healthy for most adults.
Is 75.3 kg considered obese by NHS standards?
No — 75.3 kg alone does not determine obesity. Your BMI (calculated using both weight and height) determines this. If your BMI falls above 30, you may be classified as obese. Your GP can assess your individual health context and whether any interventions might be helpful.
Can I use this weight with weight loss calculators?
Yes. If you're considering weight management options like GLP-1 medications (Mounjaro or Wegovy), try our free GLP-1 weight loss calculator to estimate potential outcomes. These medications are prescription-only and require clinical assessment through your GP or a licensed prescriber.
How do I convert between stone and kilograms regularly?
Use our free weight converter on this page — it converts between stone, pounds, and kilograms instantly. For a UK pharmacy conversion: divide kg by 6.35029 to get stone, or multiply stone by 6.35029 to get kg. Bookmark this page for quick reference.
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.