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 71.5 inches in centimetres?
71.5 inches is exactly 181.61 centimetres. This is a common height for UK adults — falling into the tall range. If you're checking your height for BMI calculation, weight management, or NHS health guidance, understanding your exact height in both imperial and metric measurements is essential. Use our free BMI calculator to see how your height relates to your weight and overall health category.
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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 Conversion: 71.5 Inches to Centimetres
71.5 inches = 181.61 cm (exact conversion). To convert any height from inches to centimetres, multiply the number of inches by 2.54. So: 71.5 × 2.54 = 181.61 cm. This conversion works in reverse too — divide centimetres by 2.54 to get inches (181.61 ÷ 2.54 = 71.5 inches).
At 181.61 cm (71.5 inches), you fall in the tall adult range for the UK. The average UK adult male height is approximately 175.3 cm (5ft 9in), so you're around 6 cm taller than average. Our free weight converter above helps you check your weight in different units, and you can use our BMI calculator to assess whether your weight is healthy for your specific height.
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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.
Healthy Weight for 71.5 Inches (181.61 cm)
At 71.5 inches tall, your healthy weight range according to NHS guidance is approximately 61–81 kg (134–179 lbs or 9st 9lbs to 12st 11lbs). This is based on a healthy BMI range of 18.5 to 24.9. If you're outside this range and interested in weight management, our GLP-1 weight loss calculator can help you understand potential outcomes with evidence-based approaches. Your GP can provide personalised advice about what weight is healthy for your individual circumstances, especially if you have any underlying health conditions or concerns about your health.
- 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.
How do I convert 71.5 inches to centimetres?
Multiply 71.5 by 2.54. The answer is 181.61 cm. This is the standard conversion used by the NHS and UK health services. You can use our free weight converter above to instantly convert between imperial and metric measurements.
Is 71.5 inches a tall height for UK adults?
Yes, 71.5 inches (181.61 cm) is above average for UK adults. The average UK man is around 175 cm (5ft 9in), so you're approximately 6.6 cm taller. This height is typical for professional athletes and falls in the tall range.
What is the healthy weight for someone 71.5 inches tall?
According to NHS BMI guidance, a healthy weight at 71.5 inches is approximately 61–81 kg (134–179 lbs). This assumes a BMI of 18.5 to 24.9. Use our free BMI calculator above to check your specific healthy weight range and current BMI.
How does 71.5 inches compare to 6 feet?
71.5 inches equals 5ft 11.5in, which is just under 6 feet. 6 feet exactly is 72 inches. So you're approximately 0.5 inches shorter than 6 feet — essentially the same height in practical terms.
Can I use height conversion to check my BMI?
Yes. Once you've converted your height to the unit you need, use the BMI formula: weight (kg) ÷ height (m)². Or use our free BMI calculator on this page — it does the calculation instantly and tells you your NHS health category.
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.