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
10.8 Inches in Centimetres — Quick Conversion
10.8 inches equals 27.43 centimetres using the standard imperial-to-metric conversion. This measurement is commonly used in UK health assessments, fitness tracking, and body measurements. Whether you're checking your height, waist circumference, or other body metrics for NHS guidance or personal health monitoring, understanding how to convert between inches and centimetres is essential. Our free weight converter and BMI calculator above can help you work with both metric and imperial measurements seamlessly when tracking your health.
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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.
How to Convert Inches to Centimetres
The conversion formula is straightforward: multiply inches by 2.54 to get centimetres. So 10.8 inches × 2.54 = 27.43 cm exactly.
- 10.8 inches = 27.43 cm (precise conversion)
- Useful for waist circumference measurements
- Common in body composition tracking
- Important for fitness and health assessments
UK health professionals often use centimetres for precise body measurements, particularly when calculating waist-to-height ratios or assessing abdominal fat distribution. A waist circumference of 27.43 cm would be exceptionally small (this measurement is typically recorded for larger body areas), but the conversion principle applies to all inches-to-centimetres conversions you may encounter in UK health contexts.
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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.
Height and Body Measurements in UK Health Guidance
UK health assessments frequently use centimetres for accurate measurement recording. Healthy waist circumference thresholds according to NHS guidance are:
- Men: under 94 cm (increased risk above this)
- Women: under 80 cm (increased risk above this)
Understanding metric measurements helps you engage effectively with NHS health advice and track your progress accurately. Use our free BMI calculator and weight converter on this page to assess your overall health metrics in whichever units you prefer—both metric and imperial measurements are fully supported.
- 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 10.8 inches in centimetres?
10.8 inches equals exactly 27.43 centimetres. The conversion uses the standard factor of 2.54 cm per inch. This precise measurement is useful for body composition tracking and health assessments in UK health contexts.
How do I convert inches to centimetres?
Multiply the number of inches by 2.54. For example, 10.8 × 2.54 = 27.43 cm. Our free weight converter on this page can handle metric and imperial conversions instantly if you need quick results.
Why does the UK use both inches and centimetres?
The UK uses a mix of metric (centimetres, kilograms) and imperial (inches, stone) measurements. NHS health professionals typically record measurements in centimetres, while many UK adults still think in inches or stone for body weight.
Is 27.43 cm a healthy waist circumference?
No—27.43 cm is exceptionally small. Healthy waist circumference for men is under 94 cm and for women under 80 cm according to NHS guidance. Larger measurements may indicate increased health risk that your GP can assess.
How does waist circumference relate to BMI?
Waist circumference and BMI together give a more complete picture of health risk than BMI alone. BMI measures overall weight relative to height, while waist measurement shows fat distribution. Use our free BMI calculator above for a complete assessment.
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.