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
Ideal Weight For a 6ft 3in Male
For a man who is 6 feet 3 inches (190cm) tall, the healthy weight range according to NHS guidelines is approximately 64–86 kg, or around 10 stone 1 lb to 13 stone 8 lb. This range is based on achieving a BMI between 18.5 and 24.9, which the NHS considers healthy for most UK adults. Your ideal body weight within this range depends on your age, muscle mass, frame size, and overall health. Use our free BMI calculator above to find where you personally fall within this healthy weight range.
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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 For 6ft 3in — Calculated By BMI
The healthy weight range for a 6ft 3in (190cm) male is calculated using the NHS BMI framework. BMI is weight in kilograms divided by height in metres squared. For a healthy BMI between 18.5 and 24.9 at your height:
- Lower healthy limit: 64 kg (10 stone 1 lb) — this achieves BMI 18.5
- Upper healthy limit: 86 kg (13 stone 8 lb) — this achieves BMI 24.9
- Midpoint: Approximately 75 kg (11 stone 11 lb) is a typical healthy weight for height
This healthy weight for height UK framework applies to most adult men, though genetics, muscle mass, and bone density mean ideal weight varies between individuals. The NHS healthy weight calculator factors in your height to give personalised guidance. A man at 6 feet 3 inches with good muscle mass may naturally weigh more than the lower end of this range whilst maintaining excellent health.
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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.
How To Find Your Ideal Weight Using The BMI Calculator
Your ideal weight isn't just a single number — it's a healthy range. The best way to find where you should aim is to calculate your personal BMI using our free BMI calculator on this page. Enter your current height (190cm or 6ft 3in) and weight, and you'll instantly see whether you're in the healthy weight range, overweight, or another category according to NHS guidelines.
If you're outside the healthy range, you can work backwards: the healthy weight calculator shows you the weight range needed to achieve a healthy BMI. This personalised approach is more useful than memorising a single "ideal weight" figure, as it accounts for your individual build and health context.
- 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 the exact ideal weight for a 6ft 3in man?
There is no single ideal weight — the healthy range for a man 6ft 3in (190cm) is approximately 64–86 kg (10 stone 1 lb to 13 stone 8 lb), based on NHS BMI guidelines of 18.5–24.9. Your ideal weight within this range depends on your muscle mass, frame size, and personal health factors.
Is 90kg overweight for a 6ft 3in male?
Yes, 90kg at 6ft 3in gives a BMI of approximately 25.1, which falls into the overweight category according to NHS guidelines (BMI 25.0–29.9). However, muscular individuals may weigh more whilst maintaining low body fat. Your GP can advise on your personal health context.
How do I calculate my BMI if I'm 6ft 3in tall?
Convert your height to metres (6ft 3in = 1.90m), then divide your weight in kg by your height squared: BMI = weight ÷ (1.90)². For example, 75kg ÷ (1.90)² = BMI 20.8 (healthy). Use our free BMI calculator above for gradual improvement.
What's the average UK weight for a man 6ft 3in?
The average UK adult man weighs approximately 85.7 kg. At 6ft 3in, this weight gives a BMI of around 23.7, which falls comfortably within the healthy weight range. However, average is not the same as healthy — your personal ideal depends on your individual health profile.
Should I use the weight converter to check my weight in stone?
Yes — use our weight converter to switch between kilograms and stone. At 6ft 3in, a healthy weight of 75kg converts to 11 stone 11 lb. The weight converter helps you understand your BMI range in whichever units you prefer.
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.