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 a Healthy Weight for a 6ft Male in Kg?
A healthy weight for a 6ft (183cm) male in kg typically falls between 61–83 kg, based on NHS BMI guidelines. However, your ideal weight depends on your frame size, muscle mass, and overall health. Using our free BMI calculator, you can check where your current weight sits within the healthy range and get personalised health context for your height. This guide explains healthy weight ranges and how to use UK health information to assess your own weight.
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 6ft Males
For a 6ft (183cm) tall male, the healthy BMI range of 18.5 to 24.9 translates to a weight range of approximately 61 to 83 kg (9st 9lbs to 13st 1lb). This is based on NHS guidance for general adult populations.
- Lower healthy limit: 61 kg — BMI 18.5 (lower threshold of healthy range)
- Mid-healthy weight: 72 kg — BMI 21.5 (comfortable middle of healthy range)
- Upper healthy limit: 83 kg — BMI 24.9 (upper threshold before overweight category)
If you're of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower thresholds — your healthy BMI range would be 18.5 to 22.9, which corresponds to 61–74 kg for your height. Our weight converter makes it simple to check equivalent values in stone and pounds, and you can use the BMI calculator to find your exact BMI at your current weight.
Weight 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.
Factors That Affect Your Ideal Weight
Your ideal weight isn't just a number — it depends on muscle mass, bone density, body composition, and genetics. Two men at 6ft and 75 kg may have very different body compositions; one could be athletic with significant muscle, while another might carry more fat. The NHS recommends using BMI as a screening tool alongside waist circumference — men with waist measurements over 94cm face increased health risk, even at a "healthy" BMI.
Age, fitness level, and medical history also matter. Your GP can provide guidance specific to your health profile. Track your progress using our free progress tracker to monitor changes over time, alongside sustainable lifestyle changes rather than gradual weight management.
- 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 85kg overweight for a 6ft male?
At 85kg, a 6ft (183cm) male would have a BMI of approximately 25.4, which falls into the overweight category (BMI 25–29.9) according to NHS guidelines. However, BMI alone doesn't account for muscle mass. If you're athletic with significant muscle, this may not reflect your true health status. Your GP can assess your overall health context.
What weight should a 6ft male aim for?
A target range of 61–83kg covers the healthy BMI range (18.5–24.9) for a 6ft male. Many men find 70–75kg a sustainable, comfortable weight within this range. However, your ideal weight depends on your personal health goals, frame size, and body composition. Use our BMI calculator to find your personal healthy range based on your specific circumstances.
How do I convert 6ft to kg easily?
6ft equals 183cm in height. To find a healthy weight range for this height, apply the healthy BMI formula: multiply 18.5 by (1.83)² for the lower limit (61kg) and 24.9 by (1.83)² for the upper limit (83kg). Our free weight converter helps you switch between kg, stone, and pounds instantly for any weight value.
What's the average weight for UK males?
According to recent UK statistics, the average adult male weight is approximately 85.7kg (13st 7lbs) at an average height of 175.3cm. However, average doesn't mean healthy — approximately 28% of UK adults are obese (BMI ≥30) according to NHS data. Use UK health information and BMI guidance to assess your personal health rather than relying on averages.
How can I check if I'm at a healthy weight?
The easiest way is to use our free BMI calculator on this page — enter your weight in kg and height in cm, and it instantly shows your BMI category and healthy weight range. You can also measure your waist circumference (healthy is under 94cm for men) and discuss your results with your GP for personalised weight management guidance.
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.