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
Is 84.6 Kg (186.6 Lbs) a Healthy Weight?
84.6 kg converts to 186.6 pounds — but whether this is a healthy weight depends entirely on your height. The same weight can be perfectly healthy for a tall adult, or overweight for a shorter person. Your BMI (a measure combining weight and height) is what matters. Use our free BMI calculator above to check your personal BMI instantly, and discover where you fall on the NHS healthy weight range. We've also included a healthy weight table below so you can see the full picture for different heights.
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.
Healthy Weight Ranges by Height
At 84.6 kg (186.6 lbs), your weight falls into different BMI categories depending on how tall you are. Here are three concrete examples:
- 5ft 6in (168 cm): BMI = 27.3 (overweight). Healthy range: 51–69 kg (112–152 lbs).
- 5ft 10in (178 cm): BMI = 26.7 (overweight). Healthy range: 58–79 kg (128–174 lbs).
- 6ft 1in (185 cm): BMI = 24.7 (healthy weight). Healthy range: 63–86 kg (139–189 lbs).
The NHS defines a healthy BMI as 18.5–24.9. Use our weight converter to see how 84.6 kg compares in stone and pounds, and check your personal healthy weight range using the calculator on this page.
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.
What to Do If You're Outside the Healthy Range
If 84.6 kg puts you in the overweight or obese category, remember that small changes matter. The NHS recommends losing weight at a steady rate of 0.5–1 kg per week, which means losing around 500 calories per day through diet and activity combined. Waist measurement is also important: men should aim below 94 cm (37 inches), and women below 80 cm (31.5 inches). If you're concerned about your weight or health, talk to your GP — they can offer personalised advice and support. Non-judgmental, practical help is always available.
- 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 84.6 kg in stone and pounds?
84.6 kg equals 13 stone 5.2 pounds (or 13st 5lbs). To convert kilograms to stone, divide by 6.35. Our weight converter makes this instant and easy.
Is 84.6 kg overweight or obese?
It depends on your height. At 84.6 kg, a person who is 5ft 6in would be overweight (BMI 27.3), but someone 6ft 1in would be in the healthy weight range (BMI 24.7). Use the BMI calculator above to check your own BMI.
What is the healthy weight range for my height at 84.6 kg?
The healthy weight range depends on your height. For someone 5ft 10in, the healthy range is 58–79 kg. Our BMI calculator will calculate your exact healthy weight range in seconds.
How can I calculate if I'm within a healthy weight range?
The easiest way is to calculate your BMI. Healthy BMI is 18.5–24.9 according to NHS guidelines. The calculator on this page does this automatically — just enter your height and current weight.
What should I do if 84.6 kg is outside my healthy range?
Start with small, sustainable changes: aim to lose 0.5–1 kg per week through diet and activity. Your GP can offer personalised advice. Remember, losing even 5% of your body weight brings significant health benefits.
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.