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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11.12 Stone in Kilograms — What BMI Does This Give?
11.12 stone is equal to 70.6 kilograms using the standard kilogram to stone conversion. However, your BMI (body mass index) depends entirely on your height — the same weight can be healthy, overweight, or obese depending on how tall you are. This guide shows you what BMI 70.6kg gives at different heights, and where you fall on the NHS weight categories. Use our free BMI calculator above to check your personal BMI instantly based on your exact height and weight.
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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 BMI Does 11.12 Stone (70.6kg) Give You?
11.12 stone converts to 70.6 kilograms exactly. Your BMI at this weight varies significantly by height. Here are example BMI values at common UK heights:
- 5ft 4in (163cm): BMI 27.9 — overweight category
- 5ft 6in (168cm): BMI 25.8 — just above healthy range (overweight)
- 5ft 8in (173cm): BMI 24.0 — healthy weight range
- 5ft 10in (178cm): BMI 22.3 — healthy weight range
- 6ft 0in (183cm): BMI 21.0 — healthy weight range
- 6ft 2in (188cm): BMI 20.0 — healthy weight range
This shows why weight alone is not enough to assess health — a weight of 70.6kg is healthy for taller adults but overweight for shorter adults. Calculate your specific BMI using the BMI calculator on this page to see where you fall.
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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.
Understanding NHS Weight Categories and BMI Limits
The NHS groups BMI into clear categories:
- Healthy weight: BMI 18.5–24.9
- Overweight: BMI 25.0–29.9
- Obese (Class I): BMI 30.0–34.9
- Obese (Class II): BMI 35.0–39.9
- Severely obese: BMI 40.0+
At 70.6kg, whether you're in a healthy category depends entirely on your height. BMI is a useful screening tool but has limitations — it doesn't distinguish between muscle and fat, so athletes may have a higher BMI despite low body fat. For personalised health advice about your weight, consult your GP. Use the weight converter on this page to convert between stone, kilos, and pounds.
- 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 11.12 stone to kilograms exactly?
Multiply 11.12 by 6.35029 to get 70.6 kilograms. Alternatively, use our free weight converter above which converts instantly between stone, kg, and pounds for any weight value.
Is 70.6kg a healthy weight?
It depends entirely on your height. At 70.6kg, a person who is 5ft 8in tall would have a healthy BMI of 24.0. The same weight on someone 5ft 4in tall gives a BMI of 27.9 (overweight). Use our BMI calculator to check your personal BMI.
What is the formula to convert stone to kg?
The formula is: stone × 6.35029 = kilograms. So 11.12 stone × 6.35029 = 70.6kg. You can also kg to stone by dividing kilograms by 6.35029, or use the weight converter on this page for gradual improvement.
At what height is 70.6kg considered overweight?
At heights below approximately 5ft 5in (165cm), a weight of 70.6kg falls into the overweight BMI category (25.0–29.9). At heights above 5ft 6in (168cm), this weight typically falls into the healthy BMI range. Your GP can advise on a healthy weight for your individual height.
Does BMI account for muscle mass?
No — BMI is calculated from height and weight only, so it doesn't distinguish between muscle and fat. Athletes and people with high muscle mass may have a higher BMI despite low body fat. BMI is a useful screening tool but has limitations. Waist circumference and overall health markers matter too.
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.