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
Is 62.5kg a Healthy Weight? Convert to Stone and Check
62.5kg converts to 9 stone and 11.2 pounds — but whether this is a healthy weight depends entirely on your height. The same weight can be perfectly healthy for a taller person or overweight for someone shorter. Using our free BMI calculator above, you can instantly check where your weight sits in the NHS healthy weight range. This guide explains how to interpret your result and what it means for your 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.
Healthy Weight Ranges at Different Heights
At 62.5kg, your health status depends on your height. Here are three realistic examples:
- At 5ft 6in (168cm): BMI is 22.7 — firmly in the healthy weight range (18.5–24.9). This weight is appropriate for this height.
- At 5ft 2in (157cm): BMI is 25.4 — just into the overweight category (25.0–29.9). You would be slightly above the healthy range, though close to it.
- At 5ft 10in (178cm): BMI is 19.8 — comfortably in the healthy weight range. This weight is well-suited to this height.
The NHS healthy weight range for adults is a BMI between 18.5 and 24.9. This applies across the UK to all adults. Use our weight converter above to switch between kg, stone, and pounds instantly — and the BMI calculator to find your personal BMI.
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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.
What to Do If You're Outside the Healthy Range
If your BMI falls below 18.5 (underweight) or above 24.9 (overweight), your GP can offer support tailored to your individual health. If you're overweight, even modest weight loss of 5–10% of your current weight can improve blood pressure, blood sugar control, and overall health. If you're underweight, your GP may recommend nutritional support. Remember that waist circumference also matters — for women, over 80cm is a risk marker; for men, over 94cm is elevated risk. Whatever your current weight, approach health positively: sustainable changes to diet and activity are more important than reaching a specific number on the scales.
- 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 62.5kg in stone and pounds?
62.5kg equals 9 stone and 11.2 pounds (9st 11.2lbs). To convert any kilogram weight to stone, divide by 6.35029. The weight converter on this page does this instantly for you.
Is 62.5kg healthy weight?
It depends on your height. For someone 5ft 6in, yes — BMI is 22.7 (healthy). For someone 5ft 2in, no — BMI is 25.4 (overweight). Use the BMI calculator above with your exact height to find out.
What's the healthy weight range for my height?
The NHS healthy weight range is a BMI of 18.5–24.9. For 5ft 6in, that's roughly 50–67kg. For 5ft 8in, that's roughly 53–71kg. Your GP can advise what's healthy for your individual frame and muscle mass.
How do I lose weight safely if I'm above the healthy range?
The NHS recommends losing 0.5–1kg per week through a combination of reduced-calorie eating and increased physical activity. If you need support, your GP can refer you to NHS weight management services. Track your progress using our free progress tracker.
Does BMI tell the whole story about health?
No. BMI doesn't account for muscle mass, bone density, or where fat is stored. Waist circumference is also important — ask your GP about your individual health risk, as BMI is one screening tool among several.
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.