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 16.8 kg in Pounds?
16.8 kilograms is equal to 37.04 pounds. If you're working with metric measurements and need to convert to imperial units, our free weight converter makes it simple. This weight is relatively light in UK adult terms and falls well within the healthy weight range for most heights. Understanding conversions between kg to stone and other units helps you track your health metrics accurately using the measurement system you're most comfortable with.
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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.
Conversion Table — 16.8 kg and Nearby Values
16.8 kg = 37.04 pounds (lbs)
Here's a quick reference table showing 16.8 kg alongside nearby weights to help you find values close to yours:
- 14.0 kg = 30.86 lbs
- 15.0 kg = 33.07 lbs
- 16.0 kg = 35.27 lbs
- 16.8 kg = 37.04 lbs
- 17.0 kg = 37.48 lbs
- 18.0 kg = 39.68 lbs
- 19.0 kg = 41.89 lbs
The conversion formula is straightforward: multiply kilograms by 2.20462 to get pounds. To convert kilograms to stone (used more commonly in the UK), divide by 6.35029. Our weight converter above handles all these calculations instantly.
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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.
BMI and Healthy Weight Context at 16.8 kg
At 16.8 kg, your BMI depends entirely on your height. For reference, this weight would give:
- At 150 cm (4ft 11in): BMI of 11.2 (very underweight)
- At 165 cm (5ft 5in): BMI of 6.2 (very underweight)
- At 180 cm (5ft 11in): BMI of 5.2 (very underweight)
16.8 kg is exceptionally light for adult health. If this is your current weight, your GP should assess whether you're at a healthy weight for your height and age, as this falls significantly below healthy ranges. Use our free BMI calculator above to check your personal BMI and get context for your specific height.
- 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 16.8 kg to pounds myself?
Multiply 16.8 by 2.20462. So 16.8 × 2.20462 = 37.04 pounds. For quick conversions between kg to stone or other units, use our weight converter above — it calculates all metric to imperial conversions instantly.
What is 16.8 kg in stone and pounds?
16.8 kg equals 2 stone and 9.04 pounds (2st 9lbs). To convert kilograms to stone, divide by 6.35029. Our weight converter handles stone and pounds conversions instantly alongside pounds conversions.
Is 16.8 kg a healthy weight for an adult?
16.8 kg is exceptionally light for adult health. Healthy weight depends on your height, age, and body composition. For most adult heights, this weight would indicate being significantly underweight. Your GP can assess whether this weight is appropriate for you. Use our BMI calculator to check your personal BMI.
How does 16.8 kg compare to average UK adult weight?
The average UK adult weighs around 80 kg (176 lbs). At 16.8 kg, this weight is roughly one-fifth of average adult weight. This is far below the healthy weight range for virtually all adult heights. If you're tracking someone's weight or your own health metrics, our progress tracker helps monitor changes over time.
What's the difference between kg and pounds in UK health context?
The UK uses both systems. NHS clinical records use kilograms, but many UK adults prefer stone and pounds for personal weight discussions. Pounds (lbs) are imperial units; kilograms are metric. Understanding conversions between kg to stone and pounds helps you communicate your weight accurately with your GP regardless of which system you prefer.
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.