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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What BMI Is 87.6 Kg? UK Health Context
87.6 kg converts to approximately 13 stone 10 pounds in UK measurements. However, your BMI — the key health indicator — depends entirely on your height. At the same weight, a taller person will have a lower BMI than a shorter person. This page shows what BMI 87.6 kg gives across common UK heights, plus where each BMI falls within NHS health categories. Use our free BMI calculator above to find your exact personal BMI in seconds.
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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.
87.6 Kg BMI at Different Heights
To find your BMI, divide your weight in kilograms by your height in metres squared. At 87.6 kg, here's what your BMI would be at typical UK heights:
- 5ft 2in (158cm): BMI 31.9 — Obese (Class I)
- 5ft 4in (163cm): BMI 29.3 — Overweight
- 5ft 6in (168cm): BMI 28.2 — Overweight
- 5ft 8in (173cm): BMI 29.3 — Overweight
- 5ft 10in (178cm): BMI 27.6 — Overweight
- 6ft 0in (183cm): BMI 26.1 — Overweight
Individual results vary — your precise BMI depends on your exact height. For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends lower risk thresholds, where overweight starts at BMI 23. Try our weight converter above to see 87.6 kg in stone and pounds instantly.
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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.
Understanding NHS BMI Categories
The NHS uses standard BMI ranges to assess health risk. A BMI under 18.5 is underweight, 18.5–24.9 is healthy weight, 25–29.9 is overweight, and 30 and above is obese. BMI is a useful screening tool, but it has important limitations — it does not distinguish between muscle and fat, so athletes may have a high BMI with low body fat. BMI also does not account for where fat is stored. Waist circumference matters: men over 102cm (40 inches) and women over 88cm (34.5 inches) face increased health risk. Your GP can give you personalised advice about what your BMI means for your health.
- 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 87.6 kg in stone and pounds?
87.6 kg is approximately 13 stone 10 pounds (or 13st 10lbs). To convert kilograms to stone, divide by 6.35029. This metric to imperial weight conversion is useful for UK health discussions, though BMI depends on height, not just weight.
Is 87.6 kg overweight according to NHS guidelines?
Whether 87.6 kg is overweight depends on your height. At most common UK heights, 87.6 kg falls in the overweight BMI range (25–29.9). However, taller individuals may fall in the healthy weight range. Use our BMI calculator above to find your personal BMI instantly.
What is a healthy weight at my height?
Healthy BMI range is 18.5–24.9 according to NHS guidelines. To find your healthy weight range, multiply 18.5 by your height in metres squared (for the lower bound) and 24.9 by your height squared (for the upper bound). Your GP can also advise on what weight is healthy for you personally.
How can I convert 87.6 kg to stone and pounds accurately?
87.6 kg ÷ 6.35029 = 13.8 stone. This equals 13 stone and 11.2 pounds (rounding to 13st 10lbs in everyday use). Our free weight converter on this page can convert kilograms to stone instantly for any weight.
Does BMI tell the whole story about health?
BMI is a useful screening tool but has limitations. It does not account for muscle mass (so athletes may have high BMI with low body fat) or fat distribution. Waist measurement is also important — your GP can assess your overall health risk beyond just BMI alone.
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.