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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Healthy Weight for a 6ft 1in Male
If you're 6ft 1in (185cm) tall, the healthy weight range for men is approximately 74–95kg, or 11st 8lbs to 15st 0lbs in stone and pounds. This range is based on NHS BMI guidelines for adults, where a healthy BMI falls between 18.5 and 24.9. However, your ideal body weight depends on several factors including your muscle mass, frame size, and overall fitness level. Use our free BMI calculator above to check your personal BMI and see where you fall within the healthy range for your height.
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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 Data for 6ft 1in Men
At 6ft 1in (185cm), the healthy weight range according to NHS guidelines is 74kg to 95kg (or approximately 11 stone 8 pounds to 15 stone 0 pounds).
- Lower healthy bound: 74kg (11st 8lbs) — BMI of 18.5
- Upper healthy bound: 95kg (15st 0lbs) — BMI of 24.9
- Overweight threshold: 96kg (15st 2lbs) — BMI of 25.0
- Obese threshold: 123kg (19st 6lbs) — BMI of 30.0
The average UK weight for adult men is approximately 85.7kg (13st 7lbs), with an average height of 175.3cm. Since you're taller than average at 6ft 1in, a higher absolute weight can still fall within a healthy BMI range. Our BMI calculator on this page will instantly show you where your weight sits relative to these thresholds, and our weight converter can help you switch between kg and stone measurements.
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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 Your Ideal Weight at This Height
Your ideal weight isn't just about BMI — several factors influence what's healthy for you personally. Muscle mass is significant: someone with high muscle definition may weigh more than someone with the same BMI who has higher body fat, because muscle is denser than fat. Frame size also matters — men with larger bone structure typically sit toward the upper end of the healthy range, while smaller-framed individuals may be healthier toward the lower end. Age and fitness level affect your metabolism and muscle composition. If you're unsure whether your current weight is right for your health, your GP can provide personalised advice based on your individual circumstances, including any weight-related health conditions you may have.
- 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 average weight for a 6ft 1in man in the UK?
The average UK adult man weighs approximately 85.7kg (13st 7lbs), though this varies by individual. At 6ft 1in, you're taller than the UK average height of 175cm, so many healthy men at your height will weigh slightly more while still maintaining a healthy BMI within NHS guidelines.
Is 100kg a healthy weight for someone 6ft 1in tall?
At 100kg and 6ft 1in, your BMI would be approximately 26.4, which falls in the overweight category (25–29.9). While this is above the healthy range, only your GP can advise whether this is appropriate for your individual health, fitness level, and medical history.
What weight loss would move me from overweight to healthy at 6ft 1in?
To reach the upper limit of the healthy range (95kg) from 100kg, you'd need to lose approximately 5kg. However, sustainable weight loss through diet and exercise is typically 0.5–1kg per week. Your GP can advise on safe, realistic weight loss targets for you personally.
Does muscle mass change my healthy weight at 6ft 1in?
Yes — BMI doesn't distinguish between muscle and fat. A very muscular man at 6ft 1in might weigh 100kg with excellent fitness and a healthy body composition, while someone sedentary at the same weight might have health concerns. Body composition matters more than BMI alone.
Should I use the healthy weight range or aim for average UK weight?
The NHS healthy weight range (74–95kg at your height) is your primary guide, as it's based on health risk factors. Average UK weight doesn't mean healthy weight — it simply reflects current population data. The healthy range is more relevant for your personal health.
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.