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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86 Kg In Stone And Pounds — What's Your BMI?
86 kilograms converts to 13 stone 8.2 pounds in UK measurements. However, your BMI (which determines whether this weight is healthy) depends entirely on your height. This guide shows what BMI 86kg gives at six common adult heights, and where each falls within NHS guidelines. Use our free BMI calculator above to find your exact BMI instantly, or read on for height-specific examples.
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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.
86 Kg BMI At Different Heights
When converting kilograms to stone, the weight 86kg always equals 13 stone 8.2 pounds. But BMI is calculated using both weight and height, so the health context changes depending on how tall you are. Here are six common heights and the BMI that 86kg produces at each:
- 5ft 0in (152cm): BMI 37.3 — Obese (Class II)
- 5ft 4in (163cm): BMI 32.0 — Obese (Class I)
- 5ft 8in (173cm): BMI 28.6 — Overweight
- 5ft 10in (178cm): BMI 27.0 — Overweight
- 6ft 0in (183cm): BMI 25.4 — Healthy weight
- 6ft 2in (188cm): BMI 24.3 — Healthy weight
For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends lower thresholds, so overweight category starts at BMI 23 instead of 25.
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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.
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BMI categories according to NHS guidelines: A BMI below 18.5 is underweight; 18.5–24.9 is healthy weight; 25–29.9 is overweight; 30–34.9 is obese (Class I); 35–39.9 is obese (Class II); and 40 or above is severely obese. Remember that BMI has limitations — it doesn't distinguish between muscle and fat, and doesn't account for where fat is stored. Waist circumference and overall health matter too. Your GP can provide personalised guidance on whether 86kg is a healthy weight for you specifically, considering your individual health profile.
- 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 86 kg in stone and pounds?
86 kilograms equals 13 stone 8.2 pounds in UK measurements. To convert kilograms to stone, divide by 6.35029. You can also use our free weight converter above to switch between kg, stone, and pounds instantly.
Is 86 kg overweight?
It depends on your height. At 5ft 8in, 86kg gives a BMI of 28.6, which is overweight. At 6ft 0in, it gives a BMI of 25.4, which is healthy weight. Use the BMI calculator on this page to find your personal BMI.
What's the healthy weight range for someone who weighs 86 kg?
If you're currently 86kg and your BMI is in the overweight or obese range, aiming for a weight within the healthy BMI range (18.5–24.9) for your height would support better health. Your GP can discuss a sustainable target weight for you.
Does 86 kg mean I need to lose weight?
Only your GP or healthcare professional can advise whether weight loss is right for you individually. It depends on your height, BMI, waist circumference, overall health, and any weight-related health conditions you may have.
How can I track weight loss from 86 kg?
MyWeightCheck offers a free progress tracker where you can log your weight over time and see your progress visually. Combine this with regular BMI checks using our calculator to monitor health improvements as you work towards your goal.
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.