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 6'3" Male — UK BMI Framework
For a 6'3" (190 cm) male, the ideal weight based on NHS healthy weight standards falls between approximately 76–102 kg, or 12 stone to 16 stone 1 lb. This range corresponds to a BMI of 18.5–24.9, which is considered healthy by the NHS. However, ideal weight varies based on individual factors including muscle mass, body composition, and overall health. Use our free BMI calculator above to determine your personal healthy weight range and understand where you currently sit within the NHS framework.
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.
Healthy Weight Range for 6'3" Males Using BMI
According to NHS guidelines, a healthy weight for a 6'3" (190 cm) adult male is between 76 kg and 102 kg (approximately 12 stone to 16 stone 1 lb). This range is calculated using the BMI formula: weight in kilograms divided by height in metres squared. A BMI of 18.5–24.9 is classified as healthy weight by the NHS.
- Lower healthy range: 76 kg (11 st 13 lbs) = BMI 18.5
- Mid-range: 89 kg (14 st 0 lbs) = BMI 23.3
- Upper healthy range: 102 kg (16 st 1 lb) = BMI 24.9
The average UK male of this height weighs approximately 85–90 kg. However, this ideal weight is not universal — it depends on frame size, muscle mass, and individual health status. For South Asian, Chinese, Black African, or Black Caribbean males, the NHS recommends slightly lower thresholds for optimal health, with a healthy BMI upper limit of 22.9 rather than 24.9.
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.
Using the BMI Calculator to Find Your Personal Ideal Weight
Rather than relying on a single number, your ideal weight is best determined by calculating your personal BMI. Enter your height (190 cm or 6'3") and current weight into our free BMI calculator above to see where you fall on the healthy weight spectrum. If your BMI falls between 18.5 and 24.9, you're in the healthy weight range; if above 30, you may benefit from speaking with your GP about weight management options.
Remember that BMI is a screening tool — it doesn't account for muscle mass or where fat is stored on your body. A man with significant muscle will have a higher BMI but may still be healthy. Your GP can provide personalised guidance based on your overall health profile, family history, and any weight-related health conditions. Weight management should always include both dietary changes and increased physical activity for sustainable results.
- 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 ideal weight for a 6'3" male in stone?
For a 6'3" (190 cm) male, the healthy weight range is approximately 12 stone to 16 stone 1 pound, based on NHS BMI guidelines of 18.5–24.9. This equates to roughly 76–102 kg. Individual ideal weight varies depending on muscle mass, frame size, and overall health status.
Is 90 kg a healthy weight for a 6'3" male?
Yes, 90 kg is within the healthy weight range for a 6'3" male. This equals approximately 14 stone 2 pounds and gives a BMI of around 24.9, which is at the upper end of the healthy range. However, your personal ideal weight depends on factors like muscle mass and overall fitness.
What BMI should a 6'3" male aim for?
According to NHS guidelines, a 6'3" male should aim for a BMI between 18.5 and 24.9 for healthy weight. This corresponds to weights between 76 kg and 102 kg (12 stone to 16 stone 1 lb). A mid-range target of BMI 21–23 is often sustainable for most men.
How do I calculate my ideal body weight using BMI?
Use this formula: multiply your height in metres by itself, then multiply by your target BMI. For 6'3" (1.90 m) at target BMI 22: (1.90 × 1.90) × 22 = 79.4 kg. Our BMI calculator above does this instantly — just enter your height and weight to see your personal result.
What's the average weight for a 6'3" UK male?
The average UK male weighs approximately 85.7 kg overall, but for a 6'3" man, typical weight ranges from 80–95 kg (12 stone 8 lbs to 14 stone 13 lbs). However, average doesn't mean healthy — use NHS BMI guidelines rather than averages to determine your ideal weight for your height.
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.