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
71.2 Kg In Lbs — BMI At This Weight
71.2 kg is equivalent to 157 lbs. But whether this weight is healthy for you depends entirely on your height. Using our free BMI calculator above, you can instantly see what BMI this weight gives you and where it falls on the NHS health scale. This guide shows you the BMI ranges at different heights for 71.2 kg, plus what each category means for your health. We also explain why BMI has limitations and how to interpret your personal result.
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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.
71.2 Kg BMI At Different Heights
At 71.2 kg, your BMI depends on how tall you are. Here are BMI values across typical adult heights, using metric to imperial weight conversions as standard:
- 160 cm (5ft 3in): BMI 27.8 — overweight (NHS category)
- 165 cm (5ft 5in): BMI 26.2 — overweight
- 170 cm (5ft 7in): BMI 24.6 — healthy weight
- 175 cm (5ft 9in): BMI 23.3 — healthy weight
- 180 cm (5ft 11in): BMI 21.9 — healthy weight
- 185 cm (6ft 1in): BMI 20.8 — healthy weight
Use our free weight converter above to switch between kilos in stone, pounds, or kg instantly. For a precise personal assessment, calculate your BMI using your exact height with our BMI calculator.
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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 & Why This Matters
The NHS groups BMI into clear categories to help you understand health risk. A BMI under 18.5 is underweight; 18.5–24.9 is healthy weight; 25–29.9 is overweight; 30+ is obese. At 71.2 kg, whether you're in the healthy or overweight range depends entirely on your height—shorter individuals may be overweight, taller ones healthy. BMI doesn't distinguish between muscle and fat, so a muscular person might have a high BMI but low body fat. Your GP can give you personalised health advice beyond BMI. If you're concerned about your weight, your GP can assess your individual risk factors and discuss whether any support—dietary, lifestyle, or medical—might help.
- 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 71.2 kg overweight or healthy?
It depends on your height. At 71.2 kg, someone 160 cm tall would be in the overweight category (BMI 27.8), while someone 180 cm tall would be in the healthy weight category (BMI 21.9). Use our BMI calculator above with your exact height to find your personal result.
What is 71.2 kg in stone?
71.2 kg equals 11 stone 3 lbs. To convert kilograms to stone, divide by 6.35. Our free weight converter above lets you switch between kg, stone, and pounds instantly.
What's the healthy weight range at this BMI?
A healthy BMI is 18.5–24.9 according to NHS guidelines. At 71.2 kg, this weight is healthy for anyone taller than approximately 170 cm (5ft 7in). For shorter heights, it may fall into the overweight range. Your GP can advise on what's right for you.
Should I lose weight if I'm 71.2 kg?
That depends on your height, age, and overall health. BMI is one screening tool but doesn't tell the full story—it doesn't account for muscle mass, where fat is stored, or your personal health conditions. Speak to your GP about what's appropriate for your individual circumstances.
How does stone to kg conversion work?
One stone equals 6.35 kg exactly. So 71.2 kg ÷ 6.35 = 11.2 stone (or 11 stone 3 lbs). Our weight converter makes this instant. Understanding metric to imperial weight conversions helps you compare your weight across different measurement systems.
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.