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
Height and Weight Conversion Chart for UK Adults
A height and weight conversion chart is an essential reference tool for UK health management, helping you switch between metric and imperial measurements used across NHS guidance, fitness tracking, and everyday health conversations. Whether you need to convert centimetres to feet, kilograms to stone, or understand healthy weight ranges, this guide provides accurate conversions alongside practical UK health information to help you track your progress and make informed decisions about your wellbeing.
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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.
Height and Weight Conversion Tables
Height conversions from centimetres to feet and inches are used across UK healthcare, fitness apps, and personal health records. Common UK heights include 163cm (5ft 4in), 170cm (5ft 7in), and 178cm (5ft 10in). Weight conversions between kilograms, stone, and pounds are equally important — the UK uses stone and pounds socially and clinically, whilst NHS digital systems often record in kg. For example, 70kg equals 11 stone 0.1lbs, 75kg equals 11 stone 11lbs, and 80kg equals 12 stone 8lbs.
- 1 cm = 0.3937 inches
- 1 foot = 30.48 cm
- 1 stone = 6.35 kg exactly
- 1 kg = 2.20462 lbs
- 1 stone = 14 pounds
Use our free weight converter above to instantly switch between any units. These conversions are particularly useful when checking your BMI against NHS healthy weight guidance or comparing UK health metrics with international health resources.
Clinically BackedWeight Loss
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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.
Using Conversion Charts for Health Assessment
Once you have your height and weight in consistent units, you can assess your health status using NHS guidelines. Calculate your BMI using your converted measurements — a healthy BMI falls between 18.5 and 24.9 for most UK adults, though lower thresholds apply for people of South Asian, Chinese, Black African, or Caribbean heritage. Our free BMI calculator on this page does this automatically.
Knowing your accurate height and weight conversions is also essential if you're considering weight management options or tracking progress over time. Whether you're logging measurements for fitness goals, medical appointments, or understanding your health context, having both metric and imperial figures to hand makes communication with your GP and health professionals clearer and more precise.
- 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's the easiest way to convert height from cm to feet and inches?
Divide centimetres by 30.48 to get feet, then multiply the decimal by 12 for inches. For example, 173cm ÷ 30.48 = 5.676 feet = 5 feet 8 inches. Use the converter on this page for gradual improvement across multiple units.
How do I convert my weight from kg to stone and pounds quickly?
Divide kg by 6.35 to get stone. Multiply the decimal remainder by 14 to get pounds. For example, 75kg ÷ 6.35 = 11.81 stone = 11 stone 11lbs. Our weight converter above handles this instantly.
Why do UK health professionals use both metric and imperial measurements?
The NHS uses kilogrammes in clinical systems, but UK patients commonly think in stone and pounds from everyday life. Conversion charts bridge this gap, making health discussions clearer between patients and GPs.
How does my height and weight relate to a healthy BMI?
Once you have your height and weight in metres and kilograms, you can calculate BMI using the formula: weight (kg) ÷ height (m)². A healthy BMI is 18.5–24.9 for most UK adults. Use our BMI calculator above to check yours instantly.
What if my height is in feet and inches but my weight is in kg?
Convert your height to metres (divide feet and inches total in inches by 12, then multiply by 0.3048). Then use the BMI formula with weight in kg. Our BMI calculator accepts mixed units and calculates automatically.
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.