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 180 kg in stones?
180 kilograms is equal to 28 stone and 5.7 pounds (28st 5.7lbs). This is a straightforward conversion using the standard kg to stone formula, dividing kilograms by 6.35029. At this weight, your BMI and health context depend on your height — use our free BMI calculator above to check your personal BMI instantly and understand where you fall on the NHS weight categories.
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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.
180 Kg to Stone — Conversion Formula
To convert 180kg to stone, divide by 6.35029. The formula is: kg ÷ 6.35029 = stone. So 180 ÷ 6.35029 = 28.35 stone, which equals 28 stone and 5.7 pounds when you convert the decimal portion (0.35 × 14 = 4.9lbs).
Here are values near 180kg to help you understand the kilos in stone conversion across a range:
- 170kg = 26st 11.4lbs
- 175kg = 27st 8.6lbs
- 180kg = 28st 5.7lbs
- 185kg = 29st 2.9lbs
- 190kg = 29st 13.1lbs
Use our free weight converter above to instantly switch between metric and imperial measurements at any weight you'd like to check.
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.
180 Kg BMI and Healthy Weight Context
At 180kg, your BMI depends entirely on your height. For example, at 5ft 10in (178cm), a weight of 180kg gives a BMI of approximately 25.8 — just above the NHS healthy weight range (18.5–24.9). At 6ft (183cm), the same weight produces a BMI of approximately 26.9, still in the overweight category (25–29.9). The healthy weight range for most UK adults is much lower than 180kg. For sustainable health, the NHS recommends gradual weight loss at around 0.5–1kg per week alongside dietary changes and increased physical activity.
- 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 180kg to stone?
Divide 180 by 6.35029. This gives 28.35 stone, which converts to 28 stone and 5.7 pounds (28st 5.7lbs). You can also use our free weight converter above for instant conversions between kg, stone, and pounds.
What is 180kg in pounds?
180kg equals approximately 396.8 pounds. You can calculate this by multiplying kilograms by 2.20462 (the conversion factor). Use the weight converter on this page to switch instantly between any units.
Is 180kg a healthy weight?
At 180kg, BMI and health depend on your height. Generally, this is above NHS healthy weight ranges for most adults. Your GP can provide personalised advice about healthy weight for your individual circumstances, or use our free BMI calculator above.
What's the stone to kg conversion formula?
To convert stone to kg, multiply by 6.35029. For example, 28 stone × 6.35029 = 177.8kg. The weight converter on this page does this instantly for any value.
How much weight would I need to lose from 180kg to reach a healthy BMI?
This depends on your height and target BMI. Most UK adults with a healthy BMI weigh significantly less than 180kg. Your GP or a weight management service can help set realistic goals. Try our GLP-1 weight loss calculator to explore potential weight loss scenarios if considering prescription support.
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.