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 BMI Is 263 Lbs to Kg?
263 pounds equals approximately 119.3 kg. Your BMI at this weight depends entirely on your height. Using our free BMI calculator, you can find your exact BMI instantly by entering your height and weight. Below, we show what BMI this weight gives at six different heights, along with the NHS health category each falls into. This helps you understand where your weight sits on the NHS BMI scale and what it means for your health.
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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.
263 Lbs (119.3 kg) BMI at Different Heights
263 pounds converts to 119.3 kg — a weight that puts you in different BMI categories depending on your height. Here's how 119.3 kg translates to BMI across common UK heights:
- 5ft 2in (157cm): BMI 44.8 — Severely obese (Class III)
- 5ft 4in (163cm): BMI 41.5 — Severely obese (Class III)
- 5ft 6in (168cm): BMI 38.6 — Obese (Class II)
- 5ft 8in (173cm): BMI 36.0 — Obese (Class II)
- 5ft 10in (178cm): BMI 33.6 — Obese (Class I)
- 6ft 0in (183cm): BMI 31.5 — Obese (Class I)
To convert kilograms to stone for UK context, 119.3 kg equals approximately 18 stone 10 pounds. Use the weight converter above to switch between kg, stone, and lbs easily.
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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 BMI Categories and What They Mean
The NHS classifies BMI into five categories for adults. A BMI below 18.5 is underweight, 18.5–24.9 is healthy weight, 25.0–29.9 is overweight, 30.0–39.9 is obese (divided into Class I, II), and 40.0 and above is severely obese. BMI is a useful screening tool but has limitations — it doesn't distinguish between muscle and fat, so athletes may have a high BMI with low body fat. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds due to higher health risks at the same weight. Your GP can provide personalised health advice based on your individual BMI and health conditions.
- 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 263 pounds in kilograms?
263 pounds equals 119.3 kg. To convert pounds to kilograms, divide the pound value by 2.20462. You can also use our free weight converter above to convert between kg, stone, and lbs instantly.
Is a BMI of 36 healthy according to NHS guidelines?
No. The NHS classifies a BMI of 36 as Obese (Class II). A healthy BMI according to NHS guidelines is 18.5 to 24.9. If your BMI is above 25, your GP can discuss weight management options with you, including lifestyle changes or, if appropriate, prescription treatments.
How much weight would I need to lose to reach a healthy BMI at 5ft 8in?
At 5ft 8in (173cm), a healthy BMI range is 18.5–24.9, which corresponds to approximately 55–74 kg (8st 9lbs to 11st 8lbs). From 119.3 kg, you would need to lose around 45–65 kg to reach a healthy BMI. Your GP can discuss safe, sustainable weight loss strategies with you.
Can 263 lbs to kg be converted to stone easily?
Yes. 119.3 kg equals 18 stone 10 pounds. To convert kg to stone, divide by 6.35029. Use our weight converter above to convert between metric and imperial weight instantly — just enter your weight and select your preferred units.
Does BMI matter if I have muscle mass?
BMI is useful as a screening tool but doesn't account for muscle versus fat. If you're muscular, your BMI may overestimate health risk. Your GP can assess your overall health using BMI alongside waist measurement, blood pressure, and other health markers to give you a complete picture.
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.