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 14 Stone 9 in Kilograms?
14 stone 9 pounds (14st 9lbs) is equal to approximately 93.4 kilograms (93.4 kg). This conversion uses the standard UK to metric formula: multiply stone by 6.35029 and add the pound conversion (pounds × 0.453592). If you're converting for NHS health guidance, health management purposes, or simply want to understand your weight in both UK and metric measurements, this page provides the exact conversion plus important UK health context to help you understand what this weight means for your personal health.
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.
NHS BMI and Health Context for 93.4 kg
At 93.4 kg, your health context depends significantly on your height. For example, an adult of average UK height (around 1.70m or 5ft 7in) would have a BMI of approximately 32.3, which falls into the obese category (Class I) according to NHS guidelines. However, if you are taller (1.80m or 5ft 11in), your BMI would be approximately 28.8, placing you in the overweight category.
The NHS BMI healthy weight range is 18.5 to 24.9. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, lower thresholds apply — the healthy range is 18.5 to 22.9. Use our free BMI calculator above to find your exact BMI and what it means for your individual health, as height is crucial for accurate assessment.
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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.
Next Steps: Understanding Your Weight and Health
If you're concerned about your weight or health, speaking with your GP is the best first step. Your GP can assess your individual health profile, consider your medical history, and discuss appropriate weight management options if needed. The NHS provides free weight management support through tier 1 and tier 2 services, including digital tools and community programmes. For those who may be eligible for prescription weight management support, your GP can refer you to specialist tier 3 services.
Whether your goal is weight management, health improvement, or simply understanding your measurements in both UK and metric units, using our free weight converter and BMI calculator together gives you a complete picture of your uk health information and where you stand relative to NHS healthy weight 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 14 stone 9 pounds to kilograms manually?
Multiply the stone by 6.35029 and add the pound conversion. Formula: (14 × 6.35029) + (9 × 0.453592) = 89.00406 + 4.082328 = 93.4 kg. Our free weight converter makes this instant and accurate for any weight.
What does a BMI of 32 mean according to NHS guidance?
A BMI of 32 falls into the obese (Class I) category according to NHS guidelines. This suggests a higher health risk than the healthy weight range (18.5–24.9). However, BMI is a screening tool only and does not account for muscle mass, frame size, or where fat is distributed. Your GP can assess your individual health context.
Is 93.4 kg considered overweight or obese?
This depends entirely on your height. At 93.4 kg, you could be anywhere from overweight to obese depending on how tall you are. Use our BMI calculator above to find your exact category. Remember, BMI is just one health measure — your GP considers your overall health picture.
What is the healthy weight range for someone 5ft 8in tall?
At 5ft 8in (1.73m), the NHS healthy weight range is approximately 55–75 kg (8st 10lbs to 11st 10lbs). At 93.4 kg, this height would give a BMI of about 31.3 (obese Class I). A GP or weight management service can discuss safe, sustainable approaches if you're interested in weight management.
Where can I get free weight management support on the NHS?
The NHS offers free weight management support through your GP (tier 1), community programmes and digital tools like the NHS Weight Loss Plan (tier 2), and specialist multidisciplinary services for those who qualify (tier 3). Start by speaking with your GP about what's available in your area and what might suit your needs.
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.