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 a BMI of 60 Mean?
A BMI of 60 falls into the severely obese (Class III) category according to NHS guidelines. This BMI level is associated with significant health risks including type 2 diabetes, cardiovascular disease, and sleep apnoea. The good news is that even modest weight loss can improve your health. Understanding your BMI is the first step — you can calculate yours instantly using our free BMI calculator above to confirm your personal BMI and see where you fall within the NHS BMI range for your height.
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.
Understanding BMI 60 and NHS Categories
A BMI of 60 places you in the severely obese category (BMI 40.0+) under NHS BMI guidelines. This is calculated using the standard BMI formula: weight in kilograms divided by height in metres squared. For context, here's how BMI 60 compares to other BMI categories UK adults:
- Healthy weight: BMI 18.5–24.9
- Overweight: BMI 25.0–29.9
- Obese Class I: BMI 30.0–34.9
- Obese Class II: BMI 35.0–39.9
- Severely obese: BMI 40.0+ (your range)
At a BMI of 60, you are well above the overweight BMI threshold and in a category where NHS guidance recommends professional health support. Your GP can assess your individual risk factors and discuss weight management options, including lifestyle changes or prescription support.
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.
BMI Limitations and What Else Matters
While BMI is a useful screening tool, it has important BMI limitations. BMI doesn't distinguish between muscle and fat, so it's not a complete picture of body composition. More important than BMI alone is where excess weight is carried. The NHS also recommends measuring waist circumference: men over 102cm (40in) and women over 88cm (34.5in) face increased health risk. Consider using our weight converter to track your weight in familiar units, and discuss a personalised health plan with your GP that may include diet, physical activity, and potentially medical support for weight management.
- 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 health risks are associated with a BMI of 60?
A BMI of 60 significantly increases risk of type 2 diabetes, cardiovascular disease, high blood pressure, sleep apnoea, non-alcoholic fatty liver disease, and certain cancers. These risks can be reduced through weight loss. Even a 5–10% reduction in body weight can improve health markers and reduce disease risk substantially.
How do I calculate if my weight gives a BMI of 60?
Use the BMI formula: weight (kg) ÷ height (m)². Alternatively, use our free BMI calculator above — it calculates instantly and shows your exact BMI category. You can also use our weight converter to switch between kilograms, stone, and pounds for easier tracking.
Can I lose weight from a BMI of 60?
Yes. Sustainable weight loss of 0.5–1 kg per week is achievable through reduced-calorie diet and increased physical activity. At higher BMI levels, your GP may also discuss prescription weight loss options or refer you to specialist weight management services. Results vary, but even modest losses bring real health benefits.
Is BMI accurate for everyone at BMI 60?
BMI is less accurate for very obese individuals as it doesn't account for muscle mass or fat distribution. However, at BMI 60, waist circumference and clinical assessment by your GP are also important. Your GP can assess your personal health risks beyond BMI alone.
What should I do if my BMI is 60?
Start by speaking to your GP. They can assess your health, discuss personalised weight loss options, and refer you to tier 3 weight management services if appropriate. Simple steps like gradually increasing physical activity and reducing portion sizes often help. Your GP can advise on whether medication or structured programmes are right for you.
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.