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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Is 75.5 kg a Healthy Weight? Convert to Stone
75.5 kg is equivalent to 11 stone 12 lbs (or 11st 12lb) using the standard kilogram to stone conversion. Whether this weight is healthy depends entirely on your height, age, and individual health factors. According to NHS guidance, a healthy weight falls within a specific BMI range for your height. Use our free BMI calculator above to check your personal BMI instantly—it will show you whether 75.5 kg puts you in the healthy, overweight, or obese category based on your exact 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 Ranges by Height at 75.5 kg
At 75.5 kg, whether you're in a healthy weight range depends on your height. The NHS uses BMI (body mass index) to assess healthy weight, with a target range of 18.5 to 24.9 for most adults. Here are three realistic examples:
- If you're 160 cm (5ft 3in): 75.5 kg gives a BMI of 29.5, which falls in the overweight category. Healthy weight range: 47–63 kg.
- If you're 170 cm (5ft 7in): 75.5 kg gives a BMI of 26.1, also in the overweight category. Healthy weight range: 53–72 kg.
- If you're 180 cm (5ft 11in): 75.5 kg gives a BMI of 23.3, which is in the healthy weight range. Healthy weight range: 60–80 kg.
You can convert kilograms to stone easily, but the health context depends on height. Try our weight converter above to see your weight in stone and pounds, then use the BMI calculator to get your personal health assessment.
Clinically BackedWeight Loss
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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.
NHS Guidance and Next Steps
The NHS recommends that adults maintain a healthy BMI between 18.5 and 24.9. If you're outside this range, your GP can discuss personalised advice. Remember, BMI is a screening tool—it doesn't account for muscle mass or where fat is stored, so waist measurement also matters. Men should aim for a waist under 94 cm (37 inches); women under 80 cm (31.5 inches). If 75.5 kg is above your healthy range, sustainable weight loss of 0.5–1 kg per week is recommended. Track your progress using our free progress tracker, and consult your GP for personalised guidance on weight management options.
- 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 75.5 kg in stone and pounds?
75.5 kg converts to 11 stone 12 lbs (11st 12lb). To convert kilograms to stone, divide by 6.35029. You can also use our free weight converter above to switch instantly between kg, stone, and pounds for any weight.
Is 75.5 kg a healthy weight for an average adult?
It depends on your height. At 75.5 kg, if you're around 180 cm (5ft 11in) tall, it falls in the healthy range. For shorter heights, it's likely overweight. Use our BMI calculator above—enter your height and weight to see your personal BMI and health category instantly.
What's the healthy weight range for my height?
The NHS healthy BMI range is 18.5–24.9. To find your healthy weight range, multiply your height in metres squared by 18.5 (lower bound) and 24.9 (upper bound). For example, at 170 cm (1.7m), the range is 53–72 kg. Your GP or the BMI calculator can help personalise this.
What should I do if 75.5 kg is above my healthy weight?
If you're above your healthy weight range, aim for sustainable loss of 0.5–1 kg per week through a calorie deficit and increased activity. This means eating about 500 kcal less per day. Speak to your GP about weight management support—the NHS offers various tiers of help, and your GP can discuss options suited to you.
Does waist measurement matter as well as weight?
Yes. The NHS recommends measuring waist circumference too. Men should aim for under 94 cm (37 inches); women under 80 cm (31.5 inches). Even at a healthy BMI, carrying excess weight around the waist increases health risks. Your GP can advise if waist measurement is a concern for you.
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.