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 59 kg in stones and pounds?
59 kg converts to 9 stone 4.4 pounds (9st 4.4lbs) in UK measurements. However, your BMI at this weight depends entirely on your height. Using our free BMI calculator above, you can discover what BMI this weight gives you personally. We've provided example BMI values below for different heights, along with the corresponding NHS health category for each.
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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.
BMI at 59 kg — Height-Based Examples
59 kg at different heights produces different BMI results. Here are six common height examples:
- 5ft 0in (152cm): BMI = 25.5 (overweight)
- 5ft 4in (163cm): BMI = 22.3 (healthy weight)
- 5ft 6in (168cm): BMI = 21.4 (healthy weight)
- 5ft 8in (173cm): BMI = 20.6 (healthy weight)
- 5ft 10in (178cm): BMI = 19.9 (healthy weight)
- 6ft 0in (183cm): BMI = 19.2 (healthy weight)
At 59 kg, most adults of average to tall height fall within the NHS healthy weight range (BMI 18.5–24.9). Shorter adults may approach the overweight threshold. Use the weight converter on this page to convert kg to stone, and the BMI calculator to find your exact BMI.
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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 and Limitations
The NHS defines these BMI categories for adults: healthy weight is 18.5–24.9, overweight is 25.0–29.9, and obese is 30.0 and above. However, BMI has important limitations. It does not distinguish between muscle and fat — an athlete may have a high BMI but low body fat. BMI also doesn't account for where fat is stored; waist measurement matters too. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower thresholds due to increased health risks at the same BMI. Your GP can provide personalised advice about what your weight means for 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.
What is 59 kg in stones and pounds?
59 kg equals 9 stone 4.4 pounds (9st 4.4lbs). To convert kilograms to stone, divide by 6.35029. This standard stone to kg conversion applies to all weights, and you can use our free weight converter above for instant metric to imperial weight conversions.
Is 59 kg a healthy weight?
Whether 59 kg is healthy depends on your height and overall health. At average heights, it typically falls in the healthy weight range (BMI 18.5–24.9). Taller individuals will have a lower BMI; shorter individuals may approach overweight. Use our BMI calculator above to find your personal BMI and NHS category.
What BMI is 59 kg at 5ft 4in?
At 5ft 4in (163cm), 59 kg gives a BMI of approximately 22.3, which falls in the healthy weight category according to NHS guidelines. This is comfortably within the healthy range of 18.5–24.9.
What counts as healthy weight in the UK?
The NHS considers a BMI of 18.5–24.9 healthy for most adults. For South Asian, Chinese, Black African, or Black Caribbean adults, the range is 18.5–22.9. However, BMI is just one health measure — waist circumference and overall fitness also matter. Your GP can advise on your personal health.
Can I use BMI to assess weight loss progress?
BMI is useful for screening but has limitations. During weight loss, you may lose fat while building muscle, so BMI might not drop as quickly as expected. Use our free progress tracker on this site to log weight loss, measurements, and how you feel. Track your BMI changes over time rather than focusing on single measurements.
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.