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 5ft 6in Male in Kilograms
For a male who is 5ft 6in (168 cm) tall, the healthy weight range according to NHS guidelines is approximately 57–76 kg (9st 0lbs to 11st 13lbs). This range represents a BMI between 18.5 and 24.9, which is considered a healthy weight for adults. However, the ideal weight for any individual depends on factors including muscle mass, frame size, age, and overall health. Using our free BMI calculator above, you can determine exactly where your personal weight sits within the healthy range and whether it's appropriate for your individual circumstances.
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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 Ranges and Average Data for 5ft 6in Males
The ideal weight range for a 5ft 6in (168 cm) male is 57–76 kg according to NHS healthy weight guidance. This translates to 9st 0lbs to 11st 13lbs in UK measurements.
- Lower healthy bound: 57 kg (9st 0lbs) — BMI 18.5
- Upper healthy bound: 76 kg (11st 13lbs) — BMI 24.9
- Midpoint (average healthy weight): approximately 66.5 kg (10st 6lbs)
According to Office for National Statistics (ONS) data, the average UK adult male weight is approximately 85.7 kg (13st 7lbs). However, this average is significantly higher than the healthy weight range for this height, reflecting the prevalence of overweight and obesity in the UK population. For a 5ft 6in male at the UK average weight of 85.7 kg, the BMI would be approximately 28.0, which falls into the overweight category (25.0–29.9). Our weight converter tool can help you switch between kg, stone, and lbs instantly to find your preferred measurement.
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 Affecting Ideal Weight and Individual Variation
The concept of "ideal body weight" is not one-size-fits-all. Several factors influence what constitutes a healthy weight for any individual male at 5ft 6in:
- Muscle mass: Athletes and highly muscular individuals may weigh more within or above the healthy range due to muscle tissue density
- Frame size: Larger-framed individuals naturally weigh more than smaller-framed people at the same height
- Age: Metabolic rate changes with age; older adults may require different calorie intakes
- Ethnicity: The NHS recommends lower BMI thresholds for South Asian, Chinese, and Black African individuals due to higher cardiovascular risk at lower weights
- Overall health: Weight-related health conditions should guide weight management goals rather than appearance
Use our free BMI calculator to determine your personal healthy weight range and track progress with our progress tracker tool.
- 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 ideal weight for a 5ft 6in male?
The healthy weight range for a 5ft 6in male is 57–76 kg (9st 0lbs to 11st 13lbs) according to NHS guidelines, representing a BMI of 18.5–24.9. The ideal weight within this range depends on individual factors like muscle mass and frame size. Use our BMI calculator to check your personal range.
Is 75 kg a healthy weight for a 5ft 6in male?
Yes, 75 kg (11st 11lbs) is within the healthy weight range for a 5ft 6in male, giving a BMI of approximately 24.6. This falls comfortably in the NHS healthy weight category (18.5–24.9). However, individual circumstances vary — your GP can provide personalised advice.
How does 5ft 6in male weight compare to UK averages?
The average UK adult male weighs approximately 85.7 kg (13st 7lbs), but the average UK male height is 5ft 9in. For 5ft 6in specifically, the healthy range is 57–76 kg, which is lower than the population average, reflecting the prevalence of overweight status in the UK.
What is the healthy weight calculator for males?
A healthy weight calculator uses your height and weight to determine your BMI. Our free BMI calculator on this page instantly calculates your BMI and shows where you fall within the NHS healthy weight categories. It works for all heights and provides personalised results.
Does muscle mass affect ideal weight for a 5ft 6in male?
Yes, muscle mass significantly affects ideal weight. Muscle tissue is denser than fat, so athletic or muscular males at 5ft 6in may weigh more than the standard range while maintaining a healthy body composition. Body composition analysis is more accurate than weight alone for assessing 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.