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 Kilos in Stone and BMI?
59 kilograms converts to approximately 9 stone 4 pounds (9st 4lbs) in UK measurements. However, your BMI — which indicates whether this weight is healthy for you — depends entirely on your height. Using our free BMI calculator above, you can find your exact BMI by entering your height. Let's explore what 59kg means across different heights and how it compares to NHS healthy weight ranges.
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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.
59kg BMI at Different Heights
To convert 59kg to stone, you divide by 6.35029, giving you 9st 4lbs. Your BMI tells a different story depending on how tall you are. Here are example BMI values for 59kg at common UK adult heights:
- At 160cm (5ft 3in): BMI = 22.9 — healthy weight (NHS category)
- At 165cm (5ft 5in): BMI = 21.6 — healthy weight
- At 170cm (5ft 7in): BMI = 20.4 — healthy weight
- At 175cm (5ft 9in): BMI = 19.2 — healthy weight
- At 180cm (5ft 11in): BMI = 18.2 — healthy weight
- At 185cm (6ft 1in): BMI = 17.2 — underweight (NHS category)
Use the weight converter on this page to see 59kg in stone and pounds instantly, then calculate your personal BMI using the free BMI calculator above.
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 BMI Categories and What They Mean
The NHS defines healthy weight as a BMI between 18.5 and 24.9. At 59kg, you're in a healthy range for most adult heights, though it depends on your specific height and build. BMI is a useful screening tool but has important limitations — it does not account for muscle mass, bone density, or where fat is distributed on your body. For this reason, your GP may also consider waist measurement and overall health markers. If you have concerns about your weight or health, speak with your GP who can provide personalised guidance based on your individual circumstances.
- 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 many stone is 59kg?
59 kilograms equals 9 stone and 4 pounds (9st 4lbs). Using the kilogram to stone conversion formula, divide 59 by 6.35029. You can also use our free weight converter above to instantly switch between kg, stone, and pounds.
Is 59kg a healthy weight?
Whether 59kg is healthy depends on your height and overall health. At most adult heights, 59kg falls within the NHS healthy weight range (BMI 18.5–24.9). Use our free BMI calculator to find your personal BMI and see where you fall on the NHS scale.
What's my BMI if I weigh 59kg?
Your BMI at 59kg ranges from about 17.2 (at 185cm tall) to 22.9 (at 160cm tall). Most heights within the typical UK range give a healthy BMI. Enter your height into our BMI calculator above to get your exact figure.
Can I use BMI alone to assess my weight?
BMI is a useful starting point but shouldn't be used alone. It doesn't distinguish between muscle and fat, and doesn't account for age, ethnicity, or where fat is stored. The NHS also recommends checking waist circumference and discussing your overall health with your GP.
How do I convert kilos to stone easily?
Divide kilos by 6.35029 to get stone. For 59kg: 59 ÷ 6.35029 = 9.29 stone (approximately 9st 4lbs). Our free weight converter on this page converts instantly between all UK and metric units.
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.