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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88.8 kg in Stone — Healthy Weight Context
88.8 kg converts to 13 stone 12.7 lbs using the standard kilogram to stone conversion. However, whether this weight is healthy depends entirely on your height. The NHS uses BMI (body mass index) to assess whether a weight falls in a healthy range, and this varies significantly from person to person. This guide shows you how to work out if 88.8 kg is healthy for you, with practical examples at different heights. Use our free BMI calculator above to check your personal BMI instantly.
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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.
Healthy Weight Ranges at Different Heights
At 88.8 kg, your weight in stone and pounds is 13 stone 12.7 lbs. Whether this is healthy depends on your height. Here are three real examples:
- At 160cm (5ft 3in): 88.8 kg gives a BMI of 35.3 — classified as obese (Class I) by NHS guidelines. Healthy weight at this height: 47–63 kg (7st 6lbs to 9st 13lbs).
- At 175cm (5ft 9in): 88.8 kg gives a BMI of 28.9 — classified as overweight by NHS guidelines. Healthy weight at this height: 56–76 kg (8st 11lbs to 11st 13lbs).
- At 190cm (6ft 3in): 88.8 kg gives a BMI of 24.6 — classified as healthy weight by NHS guidelines. Healthy weight range at this height: 67–89 kg (10st 8lbs to 14st 0lbs).
Convert your weight between kg, stone, and lbs instantly using the free weight converter on this page to check your own conversions.
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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.
NHS Guidance and What to Do Next
The NHS defines healthy BMI as 18.5 to 24.9 for most UK adults. If your BMI is above 25, you're in the overweight or obese category. Waist measurement also matters: men should aim for under 94 cm (37 in), and women under 80 cm (31.5 in). If 88.8 kg is above your healthy range, even a 5–clinically studied weight loss can improve your blood pressure, blood sugar control, and cardiovascular health. Speak to your GP about your personal healthy weight target and whether lifestyle changes, weight loss programmes, or other support might help.
- 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 88.8 kg in stone exactly?
88.8 kg equals 13 stone 12.7 lbs (or approximately 13 stone 13 lbs). To convert kilograms to stone, divide the kg amount by 6.35. So 88.8 ÷ 6.35 = 13.99 stone, which converts to 13 stone and 14 pounds (rounding to 13 stone 13 lbs for practical use).
Is 88.8 kg a healthy weight?
It depends entirely on your height and overall health. At 88.8 kg, a person who is 190 cm (6ft 3in) tall would have a healthy BMI, but someone 160 cm (5ft 3in) tall would be classified as obese. Use our free BMI calculator to check your personal BMI — it will show you immediately whether your weight falls in the healthy range for your height.
How do I know my healthy weight range?
Your healthy weight range depends on your height. NHS guidelines recommend a BMI of 18.5 to 24.9. For example, at 175 cm (5ft 9in) tall, a healthy weight is approximately 56–76 kg (8st 11lbs to 11st 13lbs). Your GP can also advise you on your ideal weight target based on your individual health.
What if my weight is above the healthy range?
If 88.8 kg is above your healthy range, you don't need to aim for dramatic change. The NHS recommends losing weight at a rate of 0.5–1 kg per week for sustainable results. Even a 5–10% reduction in body weight can significantly improve health markers like blood pressure and blood sugar control. Speak to your GP about support options.
Does waist measurement matter as much as weight?
Yes — waist circumference is an important indicator of health risk that BMI alone doesn't capture. NHS guidance recommends men aim for under 94 cm (37 in) and women under 80 cm (31.5 in). If you're above these measurements, even at a "healthy" weight, your GP may recommend monitoring your health more closely. ```
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.