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 Kg In Stones And Pounds?
87 kilograms converts to 13 stone and 9.4 pounds using the standard UK weight conversion formula. This straightforward conversion helps you understand your weight in the imperial measurements most commonly used across the UK. Whether you're checking your weight for health monitoring or comparing measurements, knowing how to convert between metric and imperial units is practical and useful. Use our free weight converter to instantly switch between kilograms, stones, and pounds whenever you need it. Understanding your weight in familiar UK units makes it easier to discuss health metrics with your GP and track progress over time.
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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.
How To Convert 87 Kg To Stone And Pounds
The conversion from 87 kilograms to stones and pounds uses these standard UK measurements:
- 87 kg = 13 stone 9.4 pounds (13st 9.4lbs)
- Or simply: 13.67 stone
- Or: 191.8 pounds
The conversion formula is straightforward: divide kilograms by 6.35029 to get stone, or multiply by 2.20462 to get pounds. At 87kg, you're in the upper end of the overweight category according to NHS health guidance. For context, an adult of average height (around 5ft 7in to 5ft 9in) with a weight of 87kg would typically have a BMI in the overweight to obese range. Use our free BMI calculator to check your personal BMI instantly based on your exact height and weight. This helps you understand whether 87kg is a healthy weight for your individual body and height.
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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.
Is 87 Kg A Healthy Weight For An Adult?
Whether 87kg is healthy depends entirely on your height. According to NHS health advice, a healthy weight falls within a BMI range of 18.5 to 24.9. For someone 5ft 8in tall, a healthy weight range is approximately 55kg to 75kg — meaning 87kg would be above the healthy range. For someone 6ft tall, the healthy range is around 64kg to 86kg — placing 87kg just at or slightly above the threshold.
The NHS also recommends checking your waist circumference alongside weight, as where you carry weight matters for health. Men with a waist over 102cm and women over 88cm face increased health risks regardless of BMI. If you're concerned about whether your weight is healthy for your body and circumstances, your GP can provide personalised guidance and discuss any weight management options available to you through NHS services or private routes.
- 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.
Is 87kg overweight for a man?
At 87kg, someone of average height (5ft 8in to 5ft 9in) would likely have a BMI in the overweight or obese range. However, this depends on your exact height — taller individuals may fall in the overweight range only. Use our BMI calculator to check your personal BMI based on your height and weight. If you're concerned, your GP can advise on healthy weight for your body.
How do I convert 87kg to stone easily?
The quickest method is to divide 87 by 6.35029, which gives 13.67 stone (or 13 stone 9.4 pounds). Our free weight converter above makes this instant — just enter your weight and switch between kilograms, stones, and pounds. This helps when discussing weight with your GP or tracking progress.
What does 87kg equal in pounds only?
87kg equals 191.8 pounds. If you prefer working in pounds alone, you can multiply kilograms by 2.20462. However, UK health discussions typically use a combination of stone and pounds (13 stone 9.4lbs), which is more intuitive for most people in the UK.
Can 87kg be a healthy weight?
Yes, 87kg can be a healthy weight if you're tall enough. For someone 6ft 1in or taller, 87kg may fall within the healthy BMI range. Your GP or a healthcare professional can assess whether 87kg is appropriate for your specific height, age, and overall health. Weight is just one health indicator.
How much weight would I need to lose to reach a healthy BMI from 87kg?
This varies by height. For someone 5ft 8in tall, a healthy weight range is 55kg to 75kg — meaning a loss of 12kg to 32kg would be needed. For someone 5ft 10in, the range is 60kg to 81kg. Your GP can help create a personalised weight management plan. Evidence suggests even a clinically studied weight loss has health benefits, and the NHS recommends losing no more than 0.5–1kg per week for sustainable results.
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.