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 87 Kilos In Stones And Pounds?
87 kilograms is equivalent to 13 stone and 8.4 pounds (or 13 stone 8lbs). In UK measurements, this weight falls into the overweight category according to NHS guidance for most adults. Understanding your weight in familiar UK units helps you track health progress and makes it easier to compare with NHS health recommendations. Use our free weight converter above to instantly switch between kg, stone, and pounds for any weight value.
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.
UK Health Context For 87kg
At 87kg, your health context depends on your height and overall fitness. According to NHS guidelines, a healthy BMI is between 18.5 and 24.9. For example, at an average adult height of 5ft 8in (173cm), 87kg gives a BMI of approximately 30.5, which falls into the obese category. However, BMI has limitations — it does not distinguish between muscle and fat, so your individual health depends on multiple factors including fitness level, waist circumference, and any existing health conditions. The NHS recommends that adults maintain a healthy weight to reduce risk of type 2 diabetes, cardiovascular disease, and certain cancers. Try our free BMI calculator on this page to check your personal BMI and see where your weight sits relative to NHS thresholds for your specific height.
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.
Taking Action With UK Health Resources
If you're interested in weight management, the NHS offers a structured pathway through GP practices. Start by speaking with your GP, who can assess your individual health and discuss options including lifestyle changes, behaviour change programmes, or referral to specialist weight management services in your area. Many people find tracking progress helpful — use our free progress tracker to log weight changes over time. The NHS also recommends at least 150 minutes of moderate activity per week alongside balanced nutrition. Remember, sustainable weight loss of 0.5–1kg per week is the NHS recommendation for lasting results.
- 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 87kg to stones and pounds?
Divide 87kg by 6.35029 to get 13.7 stone. This equals 13 stone and 9.8 pounds (approximately 13st 8–9lbs). Use the weight converter on this page for instant conversions of any weight value.
Is 87kg a healthy weight?
It depends on your height. At 87kg, you can use our free BMI calculator to check your personal BMI. For most adults, 87kg falls into the overweight or obese range, but BMI is just one health indicator — discuss your individual health with your GP.
What is 87kg in pounds only?
87kg equals approximately 191.8 pounds (or about 192lbs). In UK measurements, we typically express weight as stone and pounds combined, but the weight converter above can give you instant conversions to any unit.
Should I lose weight at 87kg?
Whether weight loss is needed depends on your height, age, fitness level, and health conditions. Speak with your GP for personalised advice. If weight management is relevant to you, they can discuss options including lifestyle changes or referral to specialist services.
Where can I get NHS weight management support?
Contact your GP surgery to discuss weight management options. The NHS offers tier 1 digital tools, tier 2 behaviour change programmes, and tier 3 specialist weight management services. Availability varies by region, and your GP can advise what's available locally.
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.