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 19 Stone 7 Pounds in Kilograms?
19 stone 7 pounds is equal to approximately 124.7 kilograms. This conversion uses the standard UK measurement system, where 1 stone equals 6.35029 kg. If you're tracking your weight for health reasons, understanding your weight in kilograms can be useful alongside NHS health guidance. Use our free weight converter above to switch between stone, pounds, and kilograms instantly. Your GP can provide personalised advice about what this weight means for your individual health.
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.
UK Health Context for This Weight
At 124.7 kg, your NHS health assessment depends on your height and age. Using our free BMI calculator on this page, you can determine your BMI and see where it falls within NHS guidelines. According to NHS guidance, a healthy BMI for most adults is between 18.5 and 24.9. If you're of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds — between 18.5 and 22.9 — as these populations face higher health risks at lower weights. At 124.7 kg, many adults would fall into the overweight or obese category, though this depends entirely on height. Weight management can significantly reduce health risks including type 2 diabetes, heart disease, and high blood pressure.
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.
Weight Management Support in the UK
If you're looking to manage your weight, the NHS offers several pathways of support. You can start with your GP, who can discuss lifestyle changes, refer you to community weight management programmes, or direct you to specialist tier 3 services if appropriate. For many adults, a combination of dietary changes and increased physical activity leads to sustainable results. The NHS recommends aiming for a weight loss of 0.5 to 1 kg per week. Our free progress tracker allows you to log your weight changes over time and monitor your journey. Your GP can also discuss whether prescription weight management support might be suitable for you.
- 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 do I convert 19 stone 7 pounds to kilograms?
Multiply stone by 6.35029 and pounds by 0.453592, then add them together. 19 × 6.35029 = 120.65kg, plus 7 × 0.453592 = 3.18kg. Total = 123.83kg (approximately 124.7kg when rounded). Use our free weight converter above for instant, accurate conversions.
What is my BMI at 124.7kg?
Your BMI depends on your height. BMI = weight (kg) ÷ height (m)². For example, at 1.75m tall (5ft 9in), a weight of 124.7kg gives a BMI of 40.4, which falls into the severely obese category. Use our free BMI calculator above to calculate your personal BMI instantly.
Is 124.7kg considered overweight according to NHS guidance?
At 124.7kg, most adults would be classified as overweight or obese, depending on height. The NHS healthy weight range varies by height — for example, someone 1.75m tall should ideally weigh between 55–76kg. Your GP can advise whether your weight poses health risks specific to you.
What weight loss targets should I aim for?
The NHS recommends losing 0.5–1kg per week for sustainable results. At 124.7kg, even a 5–clinically studied weight loss (approximately 6–12kg) can deliver meaningful health benefits including lower blood pressure and improved blood sugar control. Your GP can set personalised targets.
Can I get prescription weight management support on the NHS?
Yes. If you meet eligibility criteria (typically BMI 30+ or 27+ with weight-related health conditions), you may be referred to NHS specialist weight management services. Access varies by region. Your GP can discuss whether this is appropriate and refer you if suitable.
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.