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
Is 14 Stone Overweight?
14 stone equals 88.9 kilograms. Whether this is overweight depends on your height — the NHS uses BMI (Body Mass Index) to determine if you're in a healthy weight range. A person who is 14 stone may be at a healthy weight, overweight, or obese depending on how tall they are. Use our free BMI calculator above to check your personal BMI instantly. Your height, combined with your weight, tells the real story about whether you need to make health changes. This quick check takes seconds and gives you clarity based on NHS guidelines.
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 Categories and Overweight Thresholds
The NHS defines overweight as a BMI between 25.0 and 29.9. Obese begins at BMI 30 and above. At 14 stone (88.9 kg), your BMI depends entirely on your height:
- If you're 5ft 6in (168 cm) tall, a weight of 14 stone gives a BMI of approximately 28.7 — this falls in the overweight category
- If you're 5ft 10in (178 cm) tall, 14 stone gives a BMI of around 26.3 — also overweight
- If you're 6ft 2in (188 cm) tall, 14 stone gives a BMI of approximately 23.4 — this is in the healthy weight range
For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds — overweight starts at BMI 23 and obesity at BMI 27.5. Calculate your exact BMI using the free calculator on this page to see where you stand against NHS guidelines.
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.
Waist Measurement and Next Steps
BMI is a useful screening tool, but it has limitations — it doesn't distinguish between muscle and fat. A complementary check is your waist circumference. The NHS advises that excess abdominal fat carries greater health risk: for men, over 102 cm (40 inches) is high risk; for women, over 88 cm (34.5 inches) is high risk. If you're overweight or concerned about your health, speak to your GP. They can assess your individual situation, discuss lifestyle changes like diet and physical activity, and determine whether you'd benefit from a weight check or support. Even modest weight loss of 5–10% can improve blood pressure, blood sugar control, and cardiovascular health.
- 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.
At what height would 14 stone be a healthy weight?
At approximately 6ft 1in (185 cm) or taller, 14 stone would fall within the NHS healthy weight range (BMI 18.5–24.9). However, your exact BMI depends on your precise height. Use the BMI calculator above with your actual measurements for accuracy.
Is 14 stone overweight for women?
At 14 stone (88.9 kg), most women would fall into the overweight category, as the average UK woman is around 5ft 4in tall. At that height, 14 stone gives a BMI of approximately 30.2, which is in the obese category. Always calculate your personal BMI to be certain.
What health risks are associated with being overweight?
Being overweight (BMI 25–29.9) increases the risk of type 2 diabetes, high blood pressure, heart disease, certain cancers, osteoarthritis, and sleep apnoea. The good news is that losing just 5–10% of your body weight can significantly reduce these risks.
What should I do if my BMI shows I'm overweight?
Start by speaking to your GP, who can offer personalised advice. Consider a reduced-calorie diet, increased physical activity, and consistent sleep. Your GP might refer you to NHS weight management services (tier 2 or 3) depending on your health and local availability.
Does muscle mass affect whether 14 stone is overweight?
Yes — BMI doesn't distinguish between muscle and fat. A very muscular person at 14 stone might have a high BMI but low body fat. Your waist measurement and how you feel physically provide additional context. Your GP can assess your overall health beyond BMI alone.
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.