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 7.4 stone in kilograms?
7.4 stone is equal to approximately 46.99 kg (or 47 kg when rounded). This conversion uses the standard stone to kg conversion rate where 1 stone equals 6.35 kilograms. If you need to convert between different units regularly, our free weight converter lets you switch instantly between stone, pounds, and kilograms. Understanding your weight across different measurement systems helps when reading health guidance from NHS sources or tracking fitness progress.
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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.
How to Convert 7.4 Stone to Kilograms
To convert 7.4 stone to kilograms, multiply the stone value by 6.35029. The formula is straightforward: 7.4 × 6.35029 = 46.99 kg. If you're working with stone and pounds combined (for example, 7 stone 6 pounds), convert the pounds to kilograms separately first—each pound equals 0.453592 kg—then add both conversions together. This kilogram to stone conversion method works for any weight value. For quick conversions between kilograms to stone without a UK pharmacy calculation, use our free weight converter above to instantly see your weight across all three UK measurement systems.
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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.
Is 7.4 Stone a Healthy Weight?
Whether 7.4 stone (46.99 kg) is a healthy weight depends entirely on your height. A person who is 5ft 2in (157 cm) tall with this weight would have a BMI of approximately 19.1, which falls comfortably within the healthy weight range of 18.5–24.9 according to NHS guidelines. However, someone who is 5ft 9in (175 cm) would have a BMI of just 15.5, which falls into the underweight category. Calculate your personal BMI using our free BMI calculator on this page to see where your weight sits against NHS thresholds. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower thresholds, so it's worth discussing your individual health context with your GP.
- 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 is the exact conversion of 7.4 stone to kilograms?
7.4 stone equals 46.99 kg using the standard conversion formula (stone × 6.35029). In practical terms, this is approximately 47 kg. If you have 7 stone and 6 pounds, convert the pounds separately: each pound is 0.453592 kg, so 6 lbs = 2.72 kg, giving you a total of 46.27 kg.
How does 7.4 stone compare to BMI categories?
At 7.4 stone (46.99 kg), your BMI depends on your height. For someone 5ft 4in (163 cm), this gives a BMI of around 19.2 (healthy weight). For someone 5ft 10in (178 cm), it's approximately 15.8 (underweight). Use our free BMI calculator to find your exact BMI and see where you sit against NHS guidelines for your height.
Why do UK adults use stone instead of kilograms?
Stone is the traditional UK measurement for body weight, though kilogrammes are used in clinical and NHS settings. Most British adults, weighing scales, and diet programmes display weight in stone and pounds. Converting between the two systems helps when reading international health information or comparing medical guidance that uses metric measurements.
Is 7.4 stone considered underweight, healthy, or overweight?
This depends entirely on your height. The NHS defines healthy weight as a BMI of 18.5–24.9. At 7.4 stone, you could be underweight if tall, healthy weight if average height, or overweight if very short. Your GP can advise on whether this weight is appropriate for your individual health profile, considering your height, age, and overall fitness.
How do I convert other stone values to kilograms?
Use the formula: stone × 6.35029 = kilograms. For example, 8 stone = 50.8 kg; 6 stone = 38.1 kg. Our free weight converter above lets you convert any value instantly between stone, pounds, and kilograms without calculation—just enter your weight and switch between units.
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.