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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75.5 kg Into Stone — Is It a Healthy Weight?
75.5 kilograms converts to approximately 11 stone 12 pounds (11st 12lbs). However, whether this weight is healthy for you depends entirely on your height, age, and overall health profile. The NHS uses BMI (Body Mass Index) as the primary screening tool to assess if a weight falls within a healthy range. This guide shows you how 75.5 kg compares to healthy weight ranges at different heights, and what the numbers mean for your health.
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 Ranges by Height at 75.5 kg
At 75.5 kg, your weight status depends on your height. Use our free BMI calculator above to find your exact BMI instantly, but here are three real-world examples to help you understand:
- At 160 cm (5ft 3in): BMI = 29.5 — this falls in the overweight range (25–29.9). Just below the obesity threshold, but with opportunity for health improvement.
- At 170 cm (5ft 7in): BMI = 26.1 — this is in the overweight range (25–29.9). Within this zone, gradual lifestyle changes can help reduce disease risk.
- At 180 cm (5ft 11in): BMI = 23.3 — this is in the healthy weight range (18.5–24.9). At this height, 75.5 kg represents a healthy body weight according to NHS guidelines.
You can convert kilograms to stone easily using our weight converter above, and calculate your personal BMI with just your height and weight.
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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.
What to Do If You're Outside the Healthy Range
If your BMI sits in the overweight or obese range, the NHS recommends gradual, sustainable changes. Losing even 5–10% of your body weight can improve blood pressure, blood sugar control, and reduce strain on your joints. Beyond BMI, measure your waist circumference: men should aim for under 94 cm (37 inches), women under 80 cm (31.5 inches). If you're concerned about your weight or health, speak to your GP, who can assess your individual circumstances and discuss options including lifestyle support or, if appropriate, prescription weight loss medication. Track your progress with our free progress tracker to stay motivated.
- 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 exactly?
75.5 kg converts to 11 stone 12 pounds (11st 12lbs). To convert kilograms to stone, divide by 6.35029. For pounds, multiply kg by 2.20462, giving approximately 166.4 lbs.
Is 75.5 kg considered overweight?
It depends on your height. At 170 cm it's overweight (BMI 26.1); at 180 cm it's healthy (BMI 23.3). Use our BMI calculator to find your exact status based on your measurements.
What's the healthy weight range at my height?
The NHS healthy BMI range is 18.5–24.9. For example, at 175 cm (5ft 9in), healthy weight is approximately 57–76 kg (9st–12st). Our calculator shows your personal range instantly.
Should I lose weight if I'm at 75.5 kg?
This depends on your height, age, and health conditions. Your GP can advise whether weight loss would benefit you specifically. Even modest loss of 5–10% of body weight can improve health outcomes.
Can I use weight loss injections if I'm 75.5 kg?
Prescription weight loss medications like Mounjaro and Wegovy are available for adults with a BMI of 30 or above, or 27+ with weight-related health conditions. Your GP or a licensed prescriber can assess your eligibility through a clinical evaluation.
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.