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
Average British Male Weight — What's Normal?
The average British male weighs approximately 85.7 kg (13 stone 7 pounds), according to the latest Office for National Statistics (ONS) data. However, "average" doesn't mean "healthy" — what matters is your individual BMI, waist circumference, and overall health. This guide explains where the average sits and how to assess your own weight using NHS health guidance and weight management principles.
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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.
Average Male Weight Statistics in the UK
Current UK male statistics:
- Average weight: 85.7 kg (13st 7lbs)
- Average height: 175.3 cm (5ft 9in)
- Average BMI: approximately 27.9
These figures come from the ONS Health Survey for England and represent adults aged 16 and over. It's important to note that the average British male is classified as overweight (BMI 25–29.9) rather than in the healthy weight range (BMI 18.5–24.9). This reflects broader UK health trends — around 63% of UK adults are overweight or obese. The average male height varies slightly by region and age group, but 5ft 9in is the typical baseline used in NHS health guidance and weight management resources. Use our free BMI calculator above to check where your weight sits against NHS health thresholds for your height.
Clinically BackedWeight Loss
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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.
Average vs. Healthy Weight — What's the Difference?
Average weight and healthy weight are not the same. According to NHS guidance, a healthy BMI for most UK adults is between 18.5 and 24.9. For a male of average height (5ft 9in / 175cm), this means a healthy weight range is approximately 55–74 kg (8st 8lbs to 11st 8lbs). The current average of 85.7 kg falls above this range. This doesn't mean everyone at average weight needs to lose weight — other factors matter, including muscle mass, waist circumference, and individual health conditions. However, if you're above the healthy weight range, even modest weight loss of 5–10% of body weight can bring meaningful health benefits including lower blood pressure, improved blood sugar control, and reduced cardiovascular risk. Our free weight converter can help you quickly check your weight in different units, and our BMI calculator provides personalized health context for your measurements.
- 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.
Is 85.7 kg a healthy weight for a man?
It depends on your height. For an average-height male (5ft 9in), 85.7 kg gives a BMI of approximately 27.9, which falls in the overweight category. A healthy weight for this height is 55–74 kg. However, BMI doesn't account for muscle mass — a muscular person may have a higher BMI but low body fat. Speak to your GP for personalized advice.
What's the healthy weight range for a 5ft 10in male?
For someone 5ft 10in (178cm), the NHS healthy weight range (BMI 18.5–24.9) is approximately 57–76 kg (8st 12lbs to 11st 13lbs). You can calculate your exact healthy weight range for your height using our free BMI calculator on this page.
How much weight do British males need to lose on average?
Since the average UK male BMI is 27.9 (overweight), many could benefit from reaching the healthy weight range. However, weight loss isn't one-size-fits-all — your GP can advise on realistic targets based on your health. Even losing 5–10% of body weight brings measurable health benefits without needing to reach "ideal" weight.
What factors affect average weight differences between UK regions?
Factors include age distribution, employment patterns, access to physical activity, and cultural diet variations. Scottish and Northern English males tend to weigh slightly more on average than Southern English males, partly reflecting age demographics and industrial heritage in different regions.
How does UK average male weight compare to other countries?
UK average male weight (85.7 kg) is slightly higher than many European countries but lower than the USA (approximately 88 kg). Factors include genetics, diet patterns, activity levels, and measurement methodologies across different health surveys.
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.