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
17.7 Stone in Pounds — Health Context for Your Height
17.7 stone is equivalent to 247.8 pounds or approximately 111.6 kilograms. Whether this weight is healthy depends entirely on your height. The NHS uses BMI (body mass index) to assess whether a weight falls within a healthy range, and healthy weight varies significantly across different heights. Use our free BMI calculator above to find out your personal BMI, or continue reading to see how 17.7 stone compares to healthy weight ranges at different heights.
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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.
Healthy Weight Ranges by Height — 17.7 Stone in Context
At 17.7 stone (111.6 kg), your weight is healthy or unhealthy depending on your height. Here are three real examples:
- 5ft 10in (178 cm): 17.7 stone gives a BMI of 31.2 — classified as obese. Healthy weight range at this height is 9st 1lb to 12st 2lb (57–77 kg).
- 5ft 6in (168 cm): 17.7 stone gives a BMI of 36.1 — classified as severely obese. Healthy weight range at this height is 7st 12lb to 10st 8lb (50–67 kg).
- 6ft 2in (188 cm): 17.7 stone gives a BMI of 28.6 — classified as overweight. Healthy weight range at this height is 9st 12lb to 13st 3lb (62–84 kg).
To convert kilograms to stone instantly and check your own BMI, use the weight converter and BMI calculator on this page. The NHS defines healthy BMI as 18.5–24.9 for most adults.
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.
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 Guidance and What to Do Next
If 17.7 stone puts you in the overweight or obese range, the NHS recommends speaking to your GP about weight management options. Waist measurement also matters: men with a waist over 102 cm (40 inches) and women over 88 cm (34.5 inches) face higher health risks regardless of BMI. Weight loss of just 5–10% of body weight can reduce your risk of type 2 diabetes, heart disease, and high blood pressure. Your GP can discuss lifestyle changes, referral to NHS weight management services, or prescription options if appropriate. Remember, reaching a healthy weight is a personal journey — progress matters more than perfection.
- 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 17.7 stone in pounds exactly?
17.7 stone is exactly 247.8 pounds (or 111.6 kg). One stone equals 14 pounds, so multiply 17.7 by 14 to convert to pounds. Use our free weight converter above to switch between stone, pounds, and kilograms instantly.
Is 17.7 stone a healthy weight?
It depends on your height. At 5ft 10in, 17.7 stone gives a BMI of 31.2 (obese). At 6ft 2in, it gives a BMI of 28.6 (overweight). Use our BMI calculator to check your personal BMI based on your exact height and weight.
What is the healthy weight range for my height?
NHS guidelines define healthy BMI as 18.5–24.9. To find your healthy weight range, multiply your height squared (in metres) by 18.5 and 24.9. For example, at 5ft 8in, healthy weight is approximately 8st 10lb to 11st 10lb (55–75 kg).
How much weight would I need to lose to reach a healthy range from 17.7 stone?
This varies by height. At 5ft 10in, you would need to lose approximately 3–6 stone (19–38 kg) to reach healthy BMI. Your GP can help you set realistic targets and discuss weight loss support options, including referral to NHS services.
What should I do if my weight is above the healthy range?
Speak to your GP for personalised guidance. The NHS recommends a steady weight loss of 0.5–1 kg per week through diet and activity changes. Your GP can also discuss referral to tier 3 weight management services or prescription options if appropriate for your health profile.
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.