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's the Proper Weight For a Male?
There's no single "proper" weight that applies to all males — weight depends on your height, age, muscle mass, and overall health. However, the NHS provides a healthy weight range based on BMI (body mass index), which is a useful starting point. For most adult males, a BMI between 18.5 and 24.9 is considered healthy, though the exact kg or stone target varies significantly between individuals. Use our free BMI calculator above to find your personal healthy weight range based on your specific 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.
How to Find Your Healthy Weight Range
The most practical way to determine a proper weight for your height is using the BMI formula. Your healthy weight range sits between a BMI of 18.5 and 24.9 according to NHS guidelines. To calculate this for yourself:
- BMI of 18.5 = lower healthy weight bound
- BMI of 24.9 = upper healthy weight bound
- For example, a male who is 5ft 9in (175cm) has a healthy weight range of approximately 11st 6lbs to 15st 6lbs (73–100kg)
This weight management framework helps you assess whether you fall within a healthy range. Remember that muscle weighs more than fat, so athletes or very muscular men may have a higher BMI while still being healthy. Our free weight converter makes it easy to switch between kg, stone, and pounds to find what this means in your preferred measurements.
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.
Key Factors Beyond Weight
Proper weight isn't just about the number on the scales. Other important health markers include waist circumference and where you carry your weight. The NHS recommends that men aim for a waist measurement under 94cm (37 inches) for good health, with increased risk above 102cm (40 inches). Weight distribution matters — excess weight around the stomach carries higher cardiovascular risk than weight distributed elsewhere.
Age, genetics, medical conditions, and medications all influence what's a healthy weight for you personally. Rather than focusing solely on achieving a specific number, work with your GP to establish health goals that make sense for your individual circumstances and health profile.
- 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's the average weight for a UK adult male?
According to the Office for National Statistics, the average UK adult male weighs approximately 85.7kg (13st 7lbs) and stands around 175.3cm (5ft 9in) tall. However, average is not the same as healthy — the healthy weight range depends on your individual height and health status.
How do I calculate my healthy weight range?
Multiply your height in metres by itself, then divide your target weight by that number to get BMI. For a healthy BMI, aim for 18.5 to 24.9. Our free BMI calculator on this page does this instantly — just enter your height and it shows your healthy weight range in kg, stone, and pounds.
What if I'm very muscular — does BMI still apply?
BMI is less accurate for very muscular individuals because muscle weighs more than fat. If you're an athlete or have significant muscle mass, BMI may overestimate health risk. Waist circumference and body composition are better indicators in this case — ask your GP for a full health assessment.
Should I aim for the lower or upper end of the healthy weight range?
Either end of the healthy BMI range (18.5–24.9) is reasonable. The best weight for you is one you can maintain long-term while feeling energetic and healthy. Genetics, frame size, and muscle mass all influence where you naturally sit within this range.
What should I do if I'm above the healthy weight range?
If your weight falls outside the healthy range, consider speaking to your GP about weight management options. Sustainable approaches include gradual dietary changes, increased physical activity, and behaviour change support. Your GP can assess your individual situation and recommend appropriate next steps based on your health profile.
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.