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 4 pounds in kilograms?
14 stone 4 pounds equals approximately 90.72 kg. This is a straightforward weight conversion using the standard UK to metric formula. If you're tracking your weight for health reasons, understanding your weight in both imperial and metric measurements is useful, especially when consulting NHS guidance or using health calculators. Our free weight converter can instantly switch between stone, pounds, and kilograms, making it easy to monitor your weight in whichever unit you prefer.
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 14st 4lbs to kilograms
To convert 14 stone 4 pounds to kilograms, use this straightforward calculation:
- 1 stone = 6.35029 kg
- 1 pound = 0.453592 kg
- 14 stone × 6.35029 = 88.90 kg
- 4 pounds × 0.453592 = 1.81 kg
- Total: 88.90 + 1.81 = 90.71 kg
For practical purposes, 14st 4lbs is approximately 90.72 kg. This conversion is used consistently across NHS health guidance, clinical assessments, and weight management services across the UK. Whether you're discussing your weight with your GP, using a health calculator, or tracking weight loss progress, having both measurements is helpful for clarity.
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.
NHS guidance and healthy weight context at 90.72 kg
At 90.72 kg, your health context depends on your height and other individual factors. Use our free BMI calculator above to find your personal BMI — this combined with your weight gives NHS guidance on healthy weight ranges. For adults, the NHS recommends a healthy BMI of 18.5 to 24.9. At 90.72 kg, if you're around average UK height (5ft 7in–5ft 9in), this would likely indicate overweight or obese category. Your GP can discuss your individual health and whether weight management support would be beneficial for you. Remember that weight is just one health indicator — fitness, diet, and overall wellbeing matter too.
- 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 accurate is the conversion of 14st 4lbs to kg?
The conversion is mathematically precise. 14 stone 4 pounds = 90.71 kg exactly. For everyday use, 90.72 kg is the standard rounding. Both imperial and metric measurements are equally valid — the UK uses both, so having both figures ensures accurate health tracking and clear communication with healthcare professionals.
Is 14 stone 4 pounds a healthy weight?
This depends entirely on your height, age, sex, and overall health. At 90.72 kg, calculate your BMI using our free BMI calculator on this page. If your BMI falls between 18.5 and 24.9, this is within the healthy range according to NHS guidelines. For personalised advice about your weight and health, speak with your GP.
How do I track weight changes between stone and kilograms?
Our free progress tracker allows you to log your weight in either unit — stone or kg — and tracks changes over time. Recording in both units can help you notice patterns. Consistency matters more than the unit chosen, so pick whichever feels most natural to you and stick with it.
What does NHS guidance say about weight at 90.72 kg?
NHS guidance focuses on BMI rather than absolute weight, because weight means different things at different heights. At 90.72 kg, your BMI category determines whether this falls within healthy, overweight, or obese ranges. Your GP can assess your individual health and discuss any weight management options if needed.
Can I use 14st 4lbs in stone and pounds for health calculators?
Yes. Most UK health calculators, including our BMI calculator and GLP-1 weight loss calculator, accept input in stone and pounds, kilograms, or both. Enter your weight in whichever unit is easiest for you — the calculators automatically process the conversion and give you accurate health information.
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.