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 Ideal Weight For a Male Who Is 6ft Tall?
At 6ft (183cm), a healthy weight for an adult male typically falls between 69kg and 92kg (11st 5lbs to 14st 7lbs), according to NHS BMI guidelines. This range assumes a standard adult build and is based on a healthy BMI range of 18.5 to 24.9. However, ideal weight varies significantly depending on your body composition, muscle mass, exercise level, and personal health goals. Your GP or a healthcare professional can provide personalised advice about what's right for you. Use our free BMI calculator above to check your personal BMI at any weight, and our weight converter to switch between kg, stone, and pounds.
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 at 6ft (183cm)
The healthy weight range for a 6ft male is approximately 69–92kg (11st 5lbs to 14st 7lbs). This is based on the NHS BMI categories where a healthy BMI sits between 18.5 and 24.9. At 183cm tall, any weight below 69kg gives a BMI under 18.5 (underweight), whilst weights above 92kg place you into the overweight category (BMI 25–29.9).
It's important to note that this range is not one-size-fits-all. BMI height weight relationships don't account for muscle mass — athletes and highly active individuals may weigh more within this range whilst maintaining low body fat. Equally, factors like age, metabolic health, and family history all influence what weight is truly "ideal" for you personally.
Use our free BMI calculator to determine exactly where your current weight sits on the healthy weight scale, and to identify your personal healthy weight range at your height.
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.
Ideal Weight At 6ft — Context and Nearby Values
To put this in context, the average UK adult male is 175cm (5ft 9in) tall and weighs approximately 85.7kg (13st 7lbs) — which gives a BMI of roughly 27.9, falling into the overweight category. At 6ft, you're taller than average, so your healthy weight ceiling is naturally higher. A height converter helps you visualise this: 6ft equals exactly 183 centimetres.
For example, at 80kg (12st 8lbs), a 6ft male has a BMI of 23.9 (healthy range). At 75kg (11st 11lbs), the BMI drops to 22.4 (mid-healthy range). At 90kg (14st 2lbs), the BMI reaches 26.9 (still overweight but only just). The key is finding a weight that feels sustainable and supports your long-term health — not just chasing a number. Your GP can help assess whether your current weight poses any health risks.
- 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 6ft tall considered average height for a UK male?
No — 6ft (183cm) is taller than the UK average for adult males, which is approximately 175cm (5ft 9in). At 6ft, you're in the upper range of typical heights in the UK. This means your healthy weight range will be higher than for shorter men of the same build.
What weight is obese for a 6ft male?
According to NHS BMI categories, a 6ft male is classified as obese (BMI 30+) at weights of 110kg (17st 4lbs) and above. Class II obesity (BMI 35+) begins at approximately 128kg (20st 2lbs). However, BMI is a screening tool and doesn't account for muscle mass — your GP can provide personalised assessment.
How do I convert 6ft to centimetres?
6ft converts exactly to 183 centimetres (183cm). This is useful for comparing against NHS health guidance, which often uses metric measurements. Use our weight converter and height tools to switch between UK and metric measurements easily.
What's the difference between ideal weight and healthy weight?
Healthy weight refers to the BMI range (18.5–24.9) supported by NHS guidelines. Ideal weight is more personal — it's the weight at which you feel energised, healthy, and can maintain long-term. These aren't always the same. Your GP can help identify what's ideal for your individual health.
Should I aim for the lower or upper end of the healthy weight range?
This depends on your body composition and health goals. If you're muscular or athletic, the upper end (around 92kg) may be appropriate. If you're less active or have health concerns, aiming towards the middle (around 80kg) might be better. Your GP can advise based on your personal health profile and fitness level.
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.