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 16 Stone 9 in Kilograms?
16 stone 9 pounds equals 106.2 kilograms. This conversion uses the standard UK measurement where 1 stone equals 6.35029 kg and 1 pound equals 0.453592 kg. If you're tracking your weight for health reasons, understanding both metric and imperial measurements is helpful — UK health information often uses kg, whilst many UK adults still prefer stone. Use our free weight converter above to switch between units instantly, and our BMI calculator to understand what this weight means for your health based on your height.
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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 16 Stone 9 to Kilograms
To convert 16 stone 9 pounds to kg, you can use the standard weight conversion formula. First, convert the stone to kg: 16 stone × 6.35029 = 101.6 kg. Then add the pounds: 9 lbs × 0.453592 = 4.08 kg. The total is 106.2 kg.
This conversion is useful if you're:
- Monitoring your weight using metric measurements
- Understanding NHS health guidance (which uses kg)
- Tracking progress with a weight management programme
- Consulting online health tools or international healthcare providers
Our free weight converter on this page handles this calculation instantly — simply enter your weight in stone and pounds, and it converts to kg, lbs, and other units automatically. This eliminates a UK pharmacy calculation errors and saves time.
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.
Is 106.2 kg a Healthy Weight?
Whether 106.2 kg is a healthy weight depends entirely on your height. BMI (Body Mass Index) is the standard NHS measure used to assess healthy weight. For example, at 5ft 8in (173cm), a weight of 106.2 kg gives a BMI of 35.6 — classified as obese (Class II). At 6ft 2in (188cm), the same weight gives a BMI of 28.9 — in the overweight category.
The NHS healthy weight range for most adults is a BMI of 18.5 to 24.9. Our free BMI calculator above shows your personal BMI instantly based on your exact height and weight, plus your healthy weight range. If you're concerned about your weight and health, speak with your GP who can provide personalised guidance and discuss weight management options if appropriate.
- 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 16 stone 9 in kilograms exactly?
16 stone 9 pounds = 106.2 kg. To calculate: (16 × 6.35029) + (9 × 0.453592) = 106.2 kg. This is the exact metric equivalent using standard conversion factors used by NHS and UK health services.
How do I know if 106.2 kg is a healthy weight for me?
Your healthy weight depends on your height, not just the number on the scales. Calculate your BMI using our free BMI calculator above — enter your weight and height, and it shows whether you're in the healthy, overweight, or obese category according to NHS guidelines.
Is 106.2 kg considered obese?
BMI classification depends on height. At average heights (5ft 3in to 5ft 9in), 106.2 kg typically falls into the obese category. Use our BMI calculator to check your personal BMI. If you have concerns, your GP can discuss health options including weight management support.
Can I convert stone and pounds to kg without a calculator?
Yes. Multiply stone by 6.35, then multiply pounds by 0.454, then add them together. For 16st 9lbs: (16 × 6.35) + (9 × 0.454) = 106.2 kg. Our free weight converter above does this instantly if you prefer not to calculate manually.
What is the healthy weight range at my height?
This varies by height. Use our free BMI calculator and weight converter on this page — enter your height and current weight to see your BMI and the healthy weight range for you according to NHS guidance. Your GP can also discuss personalised targets based on your individual health.
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.