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 17cm in inches?
17 centimetres is equal to approximately 6.69 inches. This is a very small height measurement — typically used for measuring children's body parts, medical measurements, or growth assessments rather than total adult height. If you're tracking a child's development or need UK health guidance on growth, the NHS provides comprehensive growth charts using both centimetres and inches. Our free weight converter helps you understand measurements across different units for fuller UK health information.
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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.
Converting 17cm to Other Units
17 centimetres converts as follows:
- 17cm = 6.69 inches (imperial)
- 17cm = 0.557 feet
- 17cm = 0.17 metres
This measurement is too small to represent total human height. For children and babies, the NHS uses centimetre measurements on growth charts to track development from birth through to 18 years. If you're measuring a child's height, length, or limb measurements, centimetres are the standard UK clinical unit. For context, the average newborn is approximately 50cm long, and most UK toddlers reach 100cm (roughly 39 inches or 3ft 3in) by age 3. Growth tracking is an important part of UK health monitoring.
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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.
When 17cm Measurements Matter
A 17cm measurement is clinically relevant in several UK health contexts: infant length assessment, specific body part measurements (head circumference, limb length), or medical assessments. If you're measuring a child's growth, NHS guidance recommends regular monitoring at health visitor checks and GP appointments. Growth faltering or concerns should always be discussed with your health visitor or GP. For young people approaching adult height, our BMI calculator provides age-appropriate guidance once they reach 18 years old. Healthy weight management starts with accurate measurements and professional UK health advice.
- 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.
Is 17cm a normal height for a person?
No — 17cm is far too small for adult human height. It's used for measuring infants' body parts, children's limb lengths, or specific medical measurements. Adult heights are typically 150–190cm. For children, the NHS uses growth charts to track development against healthy centile ranges.
How does 17cm compare to feet and inches?
17cm equals 6.69 inches or approximately 0.557 feet. Most UK adults are measured in centimetres clinically but often think in feet and inches. Our free height converter helps you switch between units easily.
Where would I use a 17cm measurement in the UK?
Clinical settings use 17cm measurements for infant assessments, head circumference, or limb length evaluation. Health visitors and GPs record these on NHS growth charts to monitor healthy development from birth through childhood.
How can I track healthy growth for a child?
The NHS provides growth charts at every health visitor appointment. Regular monitoring ensures children develop within healthy ranges. If you have concerns about a child's growth, contact your GP or health visitor for professional UK health guidance and support.
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.