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 in kilograms?
11 stone is equivalent to 69.85 kilograms. If you're tracking your weight using UK measurements and need to convert to metric, or if you're checking your health status against NHS guidance, understanding your weight in both units is useful. Many UK health services, GPs, and online health tools use kilograms, whilst many UK adults still prefer to track weight in stone and pounds. Our free weight converter makes it easy to switch between units instantly, and you can also use our BMI calculator to check where your weight sits on the NHS healthy weight scale.
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 to kilograms
11 stone = 69.85 kg exactly.
The conversion formula is straightforward: stone × 6.35029 = kilograms. So 11 × 6.35029 = 69.85 kg. This works for any stone weight — divide kilograms by 6.35029 to convert back to stone.
Why the difference? The UK still uses stone and pounds for everyday weight measurement, whilst the metric system (kilograms) is used in clinical settings, NHS records, and most international health tools. You'll often see your weight recorded in kg by your GP or health service, even if you prefer to think in stone.
- 11 stone = 69.85 kg (metric)
- 11 stone = 154.3 lbs (pounds)
- 11 stone 0 lbs = 69.85 kg exactly
Use our free weight converter above to convert any weight between stone, pounds, and kilograms instantly.
Weight 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.
Is 11 stone a healthy weight?
Whether 11 stone is a healthy weight depends entirely on your height and individual health factors. For someone who is 5ft 9in (175 cm), 11 stone gives a BMI of approximately 24.5 — within the NHS healthy weight range (18.5–24.9). For someone shorter, say 5ft 4in (163 cm), the same weight would give a BMI of around 27.2 — classed as overweight.
Use our free BMI calculator above to check your personal BMI based on your exact height and weight. Your BMI, combined with your waist measurement and overall health, gives a clearer picture than weight alone. If you have concerns about your weight or health, speak with your GP for personalised guidance.
- 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 stone to kilograms quickly?
Multiply 11 by 6.35029 to get 69.85 kg. Or use our free weight converter above — just enter 11 stone and it converts instantly to kg, pounds, and other units. No calculation needed.
Is 11 stone overweight or healthy?
It depends on your height. Use our BMI calculator to check your personal BMI. At 5ft 9in, 11 stone is healthy (BMI 24.5). At 5ft 4in, it's overweight (BMI 27.2). Your GP can advise on what's healthy for you specifically.
What's 11 stone in pounds?
11 stone equals 154 pounds (154.3 lbs exactly). One stone is always 14 pounds, so 11 × 14 = 154 lbs. Use our weight converter to switch between all UK units instantly.
How does 11 stone compare to average UK weight?
The average UK adult man weighs approximately 85.7 kg (13st 7lbs) and the average woman weighs approximately 71.6 kg (11st 3lbs). At 69.85 kg, 11 stone is slightly below the average UK adult woman's weight and well below the average man's weight.
Do I need to lose weight from 11 stone?
Not necessarily — it depends on your height, age, muscle mass, and health. Calculate your BMI using our free calculator on this page. If your BMI is 18.5–24.9, you're in the healthy range. If it's higher, speak with your GP about weight management options that might suit you.
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.