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 in Kilograms?
14 stone is equivalent to 88.9 kilograms (or approximately 196 lbs). If you're tracking your weight in the UK, you'll often see measurements in stone and pounds, but your GP and NHS health records typically use kilograms. Understanding how your weight converts between these measurements is helpful for managing your health. Our free weight converter lets you switch between kg, stone, and pounds instantly, and the BMI calculator on this page will help you see where your weight sits in relation to NHS healthy weight guidance for your height.
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 14 Stone Compares to UK Health Guidelines
14 stone (88.9 kg) is in the overweight or obese range according to NHS guidelines, depending on your height. For example, at an average UK adult height of 175 cm (5ft 9in), a weight of 14 stone gives a BMI of approximately 29, which falls into the overweight category. At 163 cm (5ft 4in), the same weight would result in a BMI of around 33.4, falling into the obese (Class I) range.
The NHS recommends a healthy BMI of 18.5 to 24.9 for most adults, though people of South Asian, Chinese, Black African, or Black Caribbean heritage have lower thresholds — a healthy BMI for these groups starts at 18.5 and ends at 22.9. If you're 14 stone and concerned about your health, your GP can give you personalised advice about what this means for you specifically, taking into account your height, age, and any existing health conditions.
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.
Understanding Your Weight and Next Steps
If you're 14 stone and looking to understand your health better, start by calculating your personal BMI using the free BMI calculator above — this will tell you exactly where your weight sits relative to NHS guidance for your specific height. Weight is influenced by many factors including genetics, medical conditions, medications, and lifestyle, so your weight alone doesn't determine your health.
If you're interested in weight management, the NHS recommends speaking with your GP first. Your doctor can assess whether your current weight poses any health risks and discuss appropriate options, which might include lifestyle changes, dietary support, or — if suitable — prescription weight loss medication through NHS specialist services. Many people find tracking their progress helpful; our free progress tracker allows you to log weight changes over time.
- 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.
Is 14 stone considered obese?
Whether 14 stone is obese depends on your height. At around 175 cm (5ft 9in), 14 stone gives a BMI of 29, which is overweight but not obese. At shorter heights, the same weight may fall into the obese category. Use our BMI calculator to check your personal BMI.
What is 14 stone in kg exactly?
14 stone equals 88.9 kilograms. To calculate: multiply stone by 6.35029. So 14 × 6.35029 = 88.9 kg. You can also use our weight converter for instant conversions between kg, stone, and pounds.
Is 14 stone a healthy weight?
Whether 14 stone is healthy depends on your height, age, and individual health factors. According to NHS guidance, a healthy BMI is 18.5 to 24.9. At most UK adult heights, 14 stone falls into the overweight or obese range. Your GP can advise on what's healthy for you personally.
How much weight do I need to lose from 14 stone?
This depends on your height and health goals. Use our free BMI calculator to find your healthy weight range for your specific height. The NHS recommends losing weight gradually at 0.5 to 1 kg per week for sustainable results. Your GP can offer personalised guidance.
Can I lose weight from 14 stone with medication?
Prescription weight loss medications (such as GLP-1 injections like Mounjaro or Wegovy) may be available through NHS specialist services or private prescribing if you meet eligibility criteria. These are used alongside diet and exercise changes. Speak to your GP about whether medication is appropriate for your situation.
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.