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
189 Pounds in Stone — Weight and BMI Guide
189 pounds is equivalent to 13 stone and 7 pounds, or approximately 85.7 kilograms in metric measurements. Your BMI at this weight depends entirely on your height — the same weight can represent a healthy BMI for a taller person or an overweight BMI for someone shorter. Use our free BMI calculator above to find your personal BMI instantly, or read on to see how 189 pounds translates across different heights using NHS standards.
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.
189 Pounds BMI at Different Heights
At 189 pounds (85.7 kg), your BMI varies significantly depending on your height. Here are example BMI values for common UK heights:
- At 5ft 4in (163 cm): BMI of 32.0 — falls in the obese category (NHS)
- At 5ft 6in (168 cm): BMI of 30.4 — falls in the obese category (NHS)
- At 5ft 8in (173 cm): BMI of 29.0 — falls in the overweight category (NHS)
- At 5ft 10in (178 cm): BMI of 27.1 — falls in the overweight category (NHS)
- At 6ft 0in (183 cm): BMI of 25.6 — falls in the healthy weight category (NHS)
- At 6ft 2in (188 cm): BMI of 24.3 — falls in the healthy weight category (NHS)
To convert your weight between kilograms and stone, use our free weight converter on this page. For personalised BMI context, your GP can advise whether your weight is healthy for your individual circumstances.
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.
Understanding NHS BMI Categories and Limitations
The NHS classifies BMI ranges to help assess weight-related health risk. At 189 pounds, whether you fall into overweight or healthy categories depends on your height, as shown above. Important: BMI does not distinguish between muscle and fat, so athletes or very muscular individuals may have a higher BMI but lower body fat percentage. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds because these groups face higher health risks at the same BMI levels. Waist circumference is also important — excess stomach fat carries additional health risk. Your GP can provide personalised weight advice tailored to your health profile and medical history.
- 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 189 pounds in stone and pounds?
189 pounds equals 13 stone and 7 pounds (written as 13st 7lbs). To convert, divide pounds by 14: 189 ÷ 14 = 13 stone remainder 7 pounds. In kilograms, 189 pounds is approximately 85.7 kg.
Is 189 pounds a healthy weight?
It depends on your height and individual health. At 189 pounds, you may be in the overweight or healthy BMI range depending on how tall you are. Use our free BMI calculator above with your height to check your personal BMI against NHS standards.
What BMI is 189 pounds at 5ft 8in?
At 5ft 8in (173 cm) and 189 pounds (85.7 kg), your BMI is approximately 29.0, which falls in the overweight category according to NHS guidelines. A healthy BMI range at this height would be roughly 59–79 kg (9st 4lbs to 12st 6lbs).
How do I convert 189 pounds to kilograms?
Multiply pounds by 0.453592: 189 × 0.453592 = 85.7 kg. Alternatively, use our free weight converter on this page to instantly convert between pounds, kilograms, and stone.
What does BMI mean and why does it matter?
BMI (Body Mass Index) is a screening tool that estimates whether your weight may be associated with health risks. It's calculated as weight in kilograms divided by height in metres squared. Whilst BMI is useful for population health screening, it has limitations — it doesn't account for muscle mass, bone density, or where fat is stored around your body.
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.