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
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Average Weight for Men 6'3"
For a man who is 6'3" (190 cm) tall, the average UK weight is approximately 88–92 kg (194–203 lbs or 13st 10lbs to 14st 5lbs). However, average weight is different from healthy weight. According to NHS guidelines, a healthy weight range for a 6'3" man is 72–91 kg (159–201 lbs or 11st 4lbs to 14st 5lbs). Individual factors like muscle mass, frame size, and age significantly affect what weight is right for you. Use our free BMI calculator above to find your personal healthy weight range instantly.
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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.
Healthy Weight Range and BMI for 6'3"
At 6'3" (190 cm), your healthy weight range according to NHS guidelines is approximately 72–91 kg (159–201 lbs). This range corresponds to a BMI between 18.5 and 24.9, which is classified as a healthy weight by NHS standards. The lower end of this range (72 kg / 11st 4lbs) represents a BMI of 18.5, whilst the upper end (91 kg / 14st 5lbs) represents a BMI of 24.9.
Men of South Asian, Chinese, Black African, or Black Caribbean heritage may benefit from using a lower healthy weight threshold — a BMI of 23 or below is recommended for these groups due to higher cardiovascular risk at the same weight. Using our free weight converter on this page, you can easily switch between kg, stone, and pounds to see your ideal weight in the measurement you prefer. Your actual ideal body weight within this range depends on your individual frame size, muscle mass, and overall fitness level.
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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.
Factors Affecting Ideal Weight at This Height
Muscle mass is the biggest factor affecting ideal weight. A man with significant muscle development may weigh more than the healthy range but still have a low body fat percentage and excellent health markers. Frame size also matters — men with larger bone structures naturally weigh more at the same height. Age affects metabolism and muscle retention; older men may naturally carry slightly more weight. Ethnicity influences cardiovascular risk at different weights, as noted above. Rather than targeting a specific number, focus on how you feel, your energy levels, and your NHS-recommended BMI range. Our free BMI calculator on this page considers these factors and gives you a personalised assessment based on your height, weight, and ethnicity.
- 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 90 kg a healthy weight for a 6'3" man?
Yes, 90 kg (14st 2lbs) for a 6'3" man gives a BMI of approximately 24.2, which falls within the NHS healthy weight range of 18.5–24.9. This is at the upper end of the healthy range, so if you're at this weight, your health is generally supported by your BMI. However, individual health depends on multiple factors beyond BMI, including fitness level, muscle mass, and medical history. Consult your GP for personalised guidance.
What's the average UK weight for men this tall?
The average UK adult man weighs approximately 85.7 kg (13st 7lbs) and is 175.3 cm tall (5ft 9in). Men who are 6'3" (190 cm) typically weigh more due to their greater height. Expected average for this height is around 88–92 kg (194–203 lbs), though this is higher than the NHS healthy weight range because it includes men carrying excess weight.
How do I calculate my healthy weight range?
Use the formula: healthy weight = BMI (18.5 to 24.9) × height in metres squared. For a 6'3" man: 18.5 × (1.90)² = 66.8 kg and 24.9 × (1.90)² = 89.8 kg. So your healthy range is approximately 67–90 kg. Our free BMI calculator above calculates this instantly and accounts for your ethnic background for more accurate thresholds.
Does muscle mass affect my ideal weight at 6'3"?
Yes, significantly. BMI doesn't distinguish between muscle and fat. A very muscular 6'3" man might have a BMI of 26–27 but be in excellent health with low body fat. Conversely, someone with the same BMI but less muscle mass might have health risks. If you're active and muscular, waist circumference is a better health indicator than BMI alone. Your GP can discuss what's healthy for your individual body composition.
Should I aim for a different weight if I'm Black British or South Asian?
Yes, NHS guidance recommends that men of South Asian, Chinese, Black African, and Black Caribbean backgrounds use a lower healthy BMI threshold — ideally 18.5 to 23. This means a 6'3" man from these backgrounds would aim for approximately 67–80 kg (148–176 lbs or 10st 7lbs to 12st 7lbs) rather than the standard 72–91 kg. This reflects higher cardiovascular risk at the same weight in these populations. Discuss the most appropriate range for you with your GP.
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.