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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Is 88.8kg a Healthy Weight? Convert to Stone and Check
88.8kg converts to 13 stone 12.3 pounds — but whether this is a healthy weight depends entirely on your height. Using the NHS BMI approach, the same weight can be perfectly healthy for a tall adult or overweight for someone shorter. This guide shows you exactly where 88.8kg sits on the health spectrum and what it means for you personally. Use our free BMI calculator above to check your individual health status, and our weight converter to switch between metric and imperial measurements instantly.
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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.
Healthy Weight Ranges at Different Heights
To determine if 88.8kg is healthy for you, your height is the key factor. The NHS uses BMI (body mass index) to assess healthy weight ranges. Here's how 88.8kg compares at three common heights:
- At 5ft 4in (163cm): 88.8kg gives a BMI of 33.2 — this falls in the obese range (BMI 30+) according to NHS guidelines
- At 5ft 8in (173cm): 88.8kg gives a BMI of 29.7 — this is just below the overweight threshold (BMI 25–29.9), close to the healthy upper limit
- At 5ft 10in (178cm): 88.8kg gives a BMI of 28.1 — this falls in the overweight range but moves towards a healthier profile at taller heights
For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends lower BMI thresholds, meaning 88.8kg may indicate a need for weight management at these heights.
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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 Guidance and What to Do Next
A healthy weight range varies by height, age, and individual health factors. The NHS recommends a BMI between 18.5 and 24.9 for most adults. Beyond BMI, waist circumference also matters — the NHS suggests men aim for under 94cm (37 inches) and women under 80cm (31.5 inches) to reduce health risks.
If 88.8kg puts you outside a healthy range for your height, you don't need to rush into drastic changes. Even a 5–clinically studied weight loss can improve blood pressure, blood sugar control, and overall health. Speak with your GP about realistic goals tailored to your health profile. Our free progress tracker can help you log weight changes and build confidence as you work towards your personal health targets.
- 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 88.8kg in stone and pounds?
88.8kg equals 13 stone 12.3 pounds (or approximately 13 stone 12 lbs). To convert kilograms to stone, divide the kilogram value by 6.35029. This metric to imperial weight conversion is straightforward using our free weight converter above.
Is 88.8kg overweight according to NHS guidelines?
It depends on your height. At 5ft 8in or shorter, 88.8kg is typically in the overweight range (BMI 25–29.9) or higher. At 5ft 10in or taller, it may be closer to healthy. Use our BMI calculator to check your personal BMI and see exactly where you stand.
What is the healthy weight range for someone 5ft 8in tall?
For an adult 5ft 8in (173cm) tall, the NHS healthy weight range is approximately 55–74kg (8st 8lbs to 11st 9lbs). At 88.8kg, you'd be in the overweight category for this height, though individual factors vary.
How much weight would I need to lose to reach a healthy BMI?
At 5ft 8in and 88.8kg (BMI 29.7), you'd need to reach around 74kg (11st 9lbs) to enter the healthy BMI range. That's approximately 15kg (2st 5lbs) to aim for. Your GP can advise on a safe, realistic rate — typically 0.5–1kg per week.
Should I be concerned about my health at 88.8kg?
Weight is just one health marker. Your GP will consider BMI, waist circumference, family history, blood pressure, and blood sugar. Even if 88.8kg is slightly above ideal for your height, modest lifestyle changes can significantly improve health outcomes without requiring gradual weight management.
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.