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
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Is 117 Lbs A Healthy Weight? Convert To Kg
117 pounds equals approximately 53.1 kg. Whether this weight is healthy depends entirely on your height, age, and overall health. For some adults, 53.1 kg is a perfectly healthy weight; for others, it may fall outside the healthy BMI range. The NHS uses BMI (body mass index) as a screening tool to assess if a weight is appropriate for your height. Use our free BMI calculator above to check your personal BMI instantly and discover if 117 lbs is healthy for you specifically.
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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
To determine if 117 lbs (53.1 kg) is healthy for you, we need to compare it against the healthy BMI range of 18.5 to 24.9 according to NHS guidelines. Here are three realistic examples showing how the same weight can be healthy or overweight depending on height:
- At 5ft 2in (158 cm): 53.1 kg gives a BMI of 21.3 — this falls in the healthy weight range
- At 5ft 6in (168 cm): 53.1 kg gives a BMI of 18.8 — healthy weight range
- At 5ft 10in (178 cm): 53.1 kg gives a BMI of 16.7 — this would be underweight
You can convert your weight between kg, stone, and pounds instantly using our free weight converter above. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower BMI thresholds starting at 18.5 to 22.9, as these groups face higher health risks at standard BMI levels.
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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 Guidance On Healthy Weight
The NHS recommends that healthy weight is achieved and maintained through balanced nutrition and regular physical activity, rather than focusing on a single number on the scales. Beyond BMI, waist measurement is also important — excess fat around the stomach carries greater health risk than fat stored elsewhere. For men, a waist over 94 cm (37 inches) signals increased risk; for women, over 80 cm (31.5 inches) is a concern.
If 117 lbs feels uncomfortable or you're unsure whether it's right for your body, speak with your GP. They can provide personalised advice based on your medical history, medications, and individual circumstances. Remember, weight is influenced by many factors including genetics, medications, and health conditions — one number doesn't tell the full story.
- 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 117 lbs to kg?
Divide 117 by 2.20462 to get approximately 53.1 kg. Our free weight converter above can do this instantly for any weight. To convert kilograms to stone using the standard metric to imperial weight conversion, divide kg by 6.35029.
Is 117 lbs a healthy weight for an adult?
It depends on your height. At 5ft 2in, yes — BMI would be about 21. At 5ft 10in, no — BMI would be about 16.7 (underweight). Use our BMI calculator above to check your personal healthy weight range instantly.
What is the healthy weight range for my height?
NHS healthy BMI is 18.5 to 24.9. To find your healthy weight range, use the free BMI calculator on this page — it shows the exact stone and pounds or kg range that's healthy for your specific height.
Should I be concerned if my weight is outside the healthy range?
Not necessarily — speak with your GP. Weight is influenced by genetics, medications, muscle mass, and health conditions. Your doctor can advise whether your specific weight poses health risks and what steps might help.
Is waist measurement as important as BMI?
Yes. The NHS considers both BMI and waist circumference when assessing health risk. Excess fat around the stomach is associated with higher disease risk. Men should aim for waist under 94 cm; women under 80 cm.
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.