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 Does 7st 10lbs Mean for Your Health?
7st 10lbs (7 stone 10 pounds) equals 49 kilograms. This weight sits in the healthy weight range for shorter adults, though what's healthy depends on your height, age, and individual health profile. According to NHS guidance, your BMI and overall health context matter more than any single number. Understanding where your weight sits in relation to NHS health thresholds helps you make informed decisions about your wellbeing. Use our free BMI calculator to see how 7st 10lbs translates to your personal health picture.
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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 This Weight Converts and What It Means
7 stone 10 pounds = 49 kg exactly. This conversion is fixed across all UK weight charts and health assessments. To put this in context: 49kg is considered a healthy weight for adults around 5ft 1in to 5ft 4in tall, depending on frame size and muscle mass. The NHS uses BMI (body mass index) as a screening tool, which combines weight and height. At 49kg and 163cm (5ft 4in), BMI would be approximately 18.5 — right at the lower boundary of the healthy weight range.
Weight alone doesn't tell the full health story. Factors like muscle mass, bone density, age, and where weight is distributed all matter. Waist circumference is another NHS health indicator: for adults, a waist over 94cm (men) or 80cm (women) indicates increased health risk, regardless of overall weight.
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.
Eligibility and Health Support Options
If 7st 10lbs is your current weight and you're concerned about your health, your GP is your first step. They can assess your individual health profile — not just a number on the scale. The NHS offers free weight management support through tier 1 and tier 2 services, including digital tools, behaviour change programmes, and community support.
If weight loss is recommended for your health, evidence-based approaches include calorie deficit diets, increased physical activity, and behaviour change support. The NHS recommends safe weight loss of 0.5–1kg per week. Our free weight converter and healthy weight guide can help you understand your personal targets.
- 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 7st 10lbs in kilograms?
7st 10lbs equals exactly 49kg. To convert: multiply the stone by 6.35 and add the pounds converted to kg. Our free weight converter handles this instantly for any measurement.
Is 7st 10lbs a healthy weight?
Whether 7st 10lbs is healthy depends on your height, age, and health profile. Using NHS BMI guidance: at 163cm (5ft 4in), this weight gives a BMI of about 18.5 — a healthy range. Always discuss your personal weight targets with your GP.
How does 7st 10lbs compare to average UK weight?
Average UK women weigh approximately 11st 3lbs (71.6kg) and men 13st 7lbs (85.7kg). At 7st 10lbs, you're below average — but this doesn't indicate health status without considering height and individual factors.
What if I need weight management support?
The NHS provides free, evidence-based weight support through specialist services. Your GP can refer you to tier 2 or tier 3 weight management programmes. Try our free BMI calculator to understand your health context and discuss options with your healthcare provider.
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.