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
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Understanding 14 x 40 in UK Health Context
The notation "14 x 40" most commonly refers to a body measurement context in UK health discussions—typically relating to weight in stone and pounds (14 stone 40 pounds, though this is an unusual combination) or measurements in centimetres. To understand what this means for your health, it's important to convert it to standard UK health measurements and check it against NHS guidance. Using our free weight converter and BMI calculator, you can determine whether this measurement falls within a healthy weight range for your height and age.
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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.
Converting 14 x 40 to Standard UK Measurements
If "14 x 40" refers to weight measurements, the most practical interpretation in UK health context is 14 stone and 40 pounds, which equals approximately 92 kg or 202 lbs total. However, this is an unusually high pound measurement—typically UK weights are expressed as stone and up to 13 pounds (since 14 pounds = 1 stone). More commonly, you might see "14 x 40" in fitness or body composition contexts, referring to dimensions or measurements in centimetres.
To assess health implications, convert your weight to kg and compare it against NHS BMI guidelines. Our free weight converter above makes this instant—simply enter your weight in any unit (kg, stone, or lbs) and see the equivalent in all three measurements. Once you know your weight in kg, combined with your height, you can calculate your BMI using the free BMI calculator on this page to see whether you're in a healthy weight range according to NHS standards.
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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.
NHS UK Guidance and Healthy Weight Ranges
According to NHS guidance, healthy weight is defined by a BMI between 18.5 and 24.9 for most UK adults. If "14 x 40" represents your weight (approximately 92 kg), whether this is healthy depends entirely on your height. A weight of 92 kg might be healthy for someone who is 6 feet (183 cm) tall, but would be overweight or obese for someone shorter.
The NHS recommends discussing your personal weight with your GP, especially if you have concerns about health risks. Your GP can provide personalised nhs health advice based on your individual circumstances, medical history, and any weight-related health conditions. They may refer you to NHS weight management services if appropriate. Use our free BMI calculator above to get your starting point, then book an appointment with your GP to discuss the results and next steps.
- 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.
What does 14 x 40 mean in UK measurements?
"14 x 40" most likely refers to 14 stone and 40 pounds combined (approximately 92 kg or 202 lbs), though this is an unusual way to express weight since UK measurements typically use stone and up to 13 pounds. It could also refer to body dimensions in centimetres depending on context. Use our weight converter to convert any weight measurement to standard UK units.
Is 14 stone 40 pounds a healthy weight?
Whether 92 kg (14 stone 40 pounds) is healthy depends on your height, age, and sex. Use the BMI calculator on this page with your height to determine your BMI. The NHS defines healthy BMI as 18.5–24.9 for most adults. A weight of 92 kg could be healthy for taller adults but overweight for shorter ones.
How do I know if my weight is healthy according to NHS guidance?
Calculate your BMI using the free BMI calculator on this page by entering your weight and height. The NHS considers BMI 18.5–24.9 healthy, 25–29.9 overweight, and 30+ obese. For more personalised advice, speak with your GP who can discuss your individual health context and any weight-related concerns.
What should I do if I'm concerned about my weight?
Start by calculating your BMI using our free tool on this page. If you're concerned, book an appointment with your GP to discuss your weight in relation to your overall health. Your GP can provide personalised nhs health advice and may refer you to NHS weight management services if appropriate for your circumstances.
How do I convert 14 x 40 to standard weight measurements?
If "14 x 40" means 14 stone and 40 pounds, this equals approximately 92 kg or 202 lbs total. Use our free weight converter on this page to convert between kg, stone, and pounds instantly. Simply enter your weight in any unit and see it automatically converted to all other UK measurements.
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.