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 140lbs in Stone?
140 pounds equals 10 stone exactly — a simple conversion using the standard 14 pounds per stone formula. In kilograms, 140lbs is approximately 63.5kg. If you're checking your weight using UK health guidance, understanding how your weight translates across different units helps you track progress and compare against NHS health thresholds. Whether you're monitoring your health or checking eligibility for weight management support, knowing your weight in stone and kilograms makes it easier to discuss with your GP and use UK health information resources effectively.
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 Does 140lbs Compare to NHS Health Guidelines?
According to NHS guidance, a healthy weight depends on your height and age. At 140lbs (10 stone or 63.5kg), whether this is a healthy weight for you depends entirely on how tall you are. Use our free BMI calculator above to check your personal BMI instantly — this gives you an NHS-aligned assessment of whether 140lbs falls in the healthy range for your height. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds due to higher health risks at the same weight. If your BMI sits in the overweight or obese range, your GP can discuss weight management options with you, including lifestyle changes or, where appropriate, prescription support through NHS specialist services.
Weight 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.
UK Tools to Understand Your Weight
MyWeightCheck provides free UK health tools to help you understand your weight in context. Our weight converter above lets you instantly switch between kg, stone, and pounds — useful if you're reading health information in different units. Combined with our BMI calculator, you can see exactly where 140lbs (10 stone) places you on NHS weight categories for your specific height. If you're exploring weight management, our GLP-1 weight loss calculator can estimate potential outcomes with prescription support. For ongoing tracking, our progress tracker helps you log weight changes over time. Always discuss your weight and health with your GP, especially if you're considering any weight management intervention.
- 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 140lbs a healthy weight?
It depends on your height. Use the free BMI calculator on this page to check — a healthy BMI is 18.5–24.9 according to NHS guidelines. At 140lbs (63.5kg), your BMI will vary significantly based on whether you're 5ft tall or 6ft tall, so personalised assessment through the calculator is essential for meaningful guidance.
What is 140lbs in kilograms?
140 pounds equals approximately 63.5kg. This conversion uses the standard formula: 1lb = 0.453592kg. Our weight converter above can instantly convert between lbs, kg, and stone for any weight value you're checking.
Can I access weight loss support at 140lbs?
Eligibility for NHS weight management support depends on your BMI and any weight-related health conditions, not your weight alone. Your GP can assess whether you qualify for prescription medication like Mounjaro or Wegovy through NHS specialist services, or discuss other weight management options tailored to your health.
How do I convert 140lbs to stone?
140 pounds equals exactly 10 stone, using the formula: pounds ÷ 14 = stone. If you have a weight with remaining pounds (like 145lbs), that's 10 stone 5 pounds. The weight converter on this page does this calculation instantly for any weight.
What should I do if I want to manage my weight?
Start by discussing with your GP, who can assess your overall health and weight-related risks. They may recommend lifestyle changes, refer you to NHS tier 3 weight management services, or discuss prescription options if clinically appropriate. Using our free BMI calculator and progress tracker can help you monitor changes and prepare for that conversation.
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.