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 is 80kg in Pounds?
80 kilograms is equal to 176.4 pounds (lbs). This conversion uses the standard metric-to-imperial formula: multiply kilograms by 2.20462. For UK health context, 80kg also equals 12 stone and 8 pounds. Understanding your weight in different units helps you track progress effectively and compare your measurements with UK NHS health guidance and BMI charts.
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.
Understanding 80kg in UK Health Context
At 80kg, your health status depends on your height and individual circumstances. Using our free weight converter, you can check this measurement against NHS healthy weight ranges for your height. According to NHS guidelines, a healthy BMI is between 18.5 and 24.9 for most adults — though lower thresholds apply for people of South Asian, Chinese, Black African, or Black Caribbean heritage. At 80kg, a person who is 5ft 8in (173cm) would have a BMI of approximately 27.5, falling into the overweight category. This is an important screening tool, though BMI alone doesn't account for muscle mass or where fat is stored. Your waist circumference is equally important — the NHS recommends men keep their waist below 94cm and women below 80cm to reduce health risks. Calculate your personal BMI using the free BMI calculator on this page to see your individual health status.
Clinically BackedWeight 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.
Weight Management and NHS Support in the UK
If you're looking to manage your weight at 80kg, the NHS recommends sustainable approaches: a calorie deficit of around 500 kcal per day typically results in losing approximately 0.5–1kg per week. For personalised guidance, your GP can refer you to local weight management services, which may include behaviour change support, dietary advice, and access to NHS digital weight loss programmes. In some areas, NHS specialist services may discuss prescription weight loss options if clinically appropriate. Many people find that tracking progress with a free progress tracker helps maintain motivation and consistency. Whatever your goal, making gradual changes to diet and physical activity alongside professional support gives you the best chance of long-term success.
- 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.
How do I convert 80kg to pounds?
Multiply 80kg by 2.20462 to get 176.4 pounds. Alternatively, use our free weight converter above to switch between kg, stone, and pounds instantly. This formula works for any kilogram amount you need to convert to imperial measurements.
What is 80kg in stone and pounds?
80kg equals 12 stone and 8 pounds (often written as 12st 8lbs). In the UK, we typically express weight using stone and pounds together, which is more familiar than kilograms for many people. Our weight converter makes switching between all three units quick and easy.
Is 80kg overweight according to NHS guidelines?
Whether 80kg is overweight depends on your height. For example, someone who is 5ft 8in would have a BMI of 27.5 (overweight category), while someone 6ft tall would have a BMI of 25.8 (healthy weight). Use our free BMI calculator to check your personal BMI and see where you fall on the NHS healthy weight scale.
How much weight loss is healthy per week?
The NHS recommends losing 0.5–1kg per week for sustainable results. This typically requires a calorie deficit of around 500 kcal per day. Faster weight loss is possible under medical supervision but increases the risk of muscle loss. Your GP can provide personalised guidance based on your health situation.
Can I access weight loss support through the NHS at 80kg?
Your GP can assess your individual health and may refer you to a local NHS weight management service if appropriate. Eligibility depends on your height, BMI, and any weight-related health conditions. Many NHS areas offer digital programmes, behaviour change support, and specialist services to help you manage your weight safely.
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.