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 Is 88 Kilos in Stone and What's Your BMI?
88 kilograms equals 13 stone and 12 pounds in UK measurements. However, your BMI at this weight depends entirely on your height. Use our free BMI calculator above to work out your personal BMI instantly, or read on to see what BMI 88kg gives you at different heights and where that falls in the NHS health categories.
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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.
88kg BMI at Different Heights
Your BMI at 88kg varies significantly depending on how tall you are. Here are typical examples:
- At 5ft 4in (163cm): BMI of 34.9 — falls in the Obese (Class I) category
- At 5ft 6in (168cm): BMI of 31.6 — falls in the Obese (Class I) category
- At 5ft 8in (173cm): BMI of 29.0 — falls in the Overweight category
- At 5ft 10in (178cm): BMI of 27.0 — falls in the Overweight category
- At 6ft 0in (183cm): BMI of 25.2 — falls in the Healthy weight category
To convert kilograms to stone, divide by 6.35 — so 88kg ÷ 6.35 = 13.87 stone, which equals 13 stone and 12 pounds. Use our free weight converter on this page to check any weight in 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 What They Mean
The NHS defines BMI categories as follows: Below 18.5 is underweight, 18.5–24.9 is healthy weight, 25–29.9 is overweight, and 30 and above is obese (with further classifications above 35). At 88kg, your BMI category depends on your height, as shown above. Even a modest weight loss can move you into a lower BMI category — for example, losing just 5kg at 173cm would bring your BMI from 29.0 to 27.8, moving you closer to the healthy range. If you're concerned about your weight or health, your GP can offer personalised advice and support.
- 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 88kg in stone and pounds?
88kg equals 13 stone and 12 pounds (or 13.87 stone). To convert kilograms to stone, divide by 6.35. You can also use the weight converter on this page to convert between kg, stone, and pounds instantly.
Is 88kg a healthy weight?
It depends on your height. At 88kg, a person who is 5ft 8in (173cm) has a BMI of 29.0 (overweight), whilst someone who is 6ft tall has a BMI of 25.2 (healthy). Use our BMI calculator above to find out your personal BMI and health category.
What BMI will I have at 88kg if I'm 5ft 6in tall?
If you're 5ft 6in (168cm) and weigh 88kg, your BMI is approximately 31.6, which falls into the Obese (Class I) category according to NHS guidelines. Your GP can discuss whether lifestyle changes or additional support might be helpful for you.
What's the healthy weight range at my height if I weigh 88kg?
The healthy weight range (BMI 18.5–24.9) varies by height. At 5ft 8in (173cm), the healthy range is approximately 55–74kg. At 5ft 10in (178cm), it's approximately 59–79kg. Use our free BMI calculator to find the healthy range for your exact height.
Should I be concerned about my weight at 88kg?
Whether 88kg is a concern depends on your height, overall health, and any weight-related conditions. The best first step is to speak with your GP, who can assess your individual situation and discuss whether any support might be beneficial for your health.
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.