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's Your BMI at 84.4 kg?
84.4 kg converts to approximately 186 lbs. However, your BMI at this weight depends entirely on your height — the same weight gives very different health outcomes depending on how tall you are. Use our free BMI calculator above to find your exact BMI instantly. We've provided example BMI values at five common UK heights below so you can see where you fall on the NHS health scale.
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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.
84.4 kg BMI at Different Heights
84.4 kg is approximately 186 lbs. Here's what your BMI would be at common heights, based on NHS guidelines:
- 160 cm (5ft 3in) — BMI 32.9 (Obese Class I)
- 165 cm (5ft 5in) — BMI 31.0 (Obese Class I)
- 170 cm (5ft 7in) — BMI 29.3 (Overweight)
- 175 cm (5ft 9in) — BMI 27.6 (Overweight)
- 180 cm (5ft 11in) — BMI 26.0 (Overweight)
For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower thresholds — some of these BMI values might fall into different risk categories. Use the weight converter tool on this page to convert between kg, 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.
NHS BMI Categories and Limitations
According to NHS guidance, BMI categories are: healthy weight (18.5–24.9), overweight (25.0–29.9), and obese (30.0+). At 84.4 kg, most adults fall into the overweight or obese range depending on height. However, BMI has important limitations — it doesn't distinguish between muscle and fat, so athletes or very muscular individuals may have a high BMI despite low body fat. Waist measurement is also important for health risk assessment. Speak to your GP for personalised advice about what your weight means for your individual 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.
How much is 84.4 kg in stone and pounds?
84.4 kg equals 13 stone 3.7 lbs (or approximately 13st 4lbs in everyday terms). To convert kilograms to stone, divide by 6.35. Our weight converter on this page lets you switch between kg, stone, lbs, and other measurements instantly.
Is 84.4 kg overweight or obese?
It depends on your height. At 84.4 kg, someone who is 170 cm tall would be overweight (BMI 29.3), while someone 160 cm tall would be obese (BMI 32.9). Calculate your personal BMI using our free BMI calculator above to see your exact category.
What is the healthy weight range for my height at 84.4 kg?
The healthy weight range varies by height. For someone 170 cm tall, healthy weight is roughly 53–71 kg. For 175 cm tall, it's 56–76 kg. Use our BMI calculator to find the healthy weight range for your exact height.
Should I lose weight at 84.4 kg?
Whether weight loss is needed depends on your height, muscle mass, age, and overall health. Your GP can assess whether weight loss would benefit you specifically. Even a 5% reduction in body weight can improve health markers like blood pressure and blood sugar.
Can I use BMI alone to assess my health?
BMI is a useful screening tool but has limitations. It doesn't account for muscle mass, bone density, or where fat is stored. Waist circumference and overall fitness also matter. Your GP can provide a complete health assessment beyond just BMI.
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.