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's 59kg in Stone?
59kg is equivalent to 9 stone and 4.6 pounds in UK measurements. This is a straightforward weight conversion using the standard metric-to-imperial formula. If you're tracking your weight or comparing measurements across different unit systems, understanding this conversion is useful for UK health guidance, NHS appointments, and personal health records. Our free weight converter makes it easy to switch between kilograms, stone, and pounds whenever you need it.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
How to Convert 59kg to Stone and Pounds
To convert 59kg to stone, divide the kilogram value by 6.35029 (the exact conversion factor). For 59kg: 59 ÷ 6.35029 = 9.29 stone. Breaking this down into whole stone and remaining pounds: 9 stone and 4.6 pounds.
The conversion formula is straightforward: 1 stone = 6.35029kg, and 1 pound = 0.453592kg. If you prefer to work in kilograms alone, 59kg is useful for NHS health records, clinical measurements, and most European health systems. Many UK adults find it helpful to track weight in both units — stone for everyday conversation and kg for medical appointments.
Use our free weight converter on this page to instantly switch between kg, stone, and pounds for any weight value.
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.
Is 59kg a Healthy Weight?
Whether 59kg is a healthy weight depends entirely on your height. A healthy BMI for UK adults is between 18.5 and 24.9. At 59kg, someone who is 165cm tall (5ft 5in) would have a BMI of 21.6 — within the healthy range. However, someone who is 150cm tall (4ft 11in) would have a BMI of 26.2 — classified as overweight. Our free BMI calculator above will give you your personal BMI instantly based on your exact height and weight. For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends slightly lower BMI thresholds due to higher health risks at the same weight.
- 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 59kg to stone without a calculator?
Divide 59 by 6.35029 to get stone. 59 ÷ 6.35029 = 9.29 stone. The 0.29 stone converts to pounds by multiplying by 14 (since 1 stone = 14 pounds): 0.29 × 14 = 4.06 pounds. So 59kg = 9 stone 4.6 pounds. For quick mental maths, remember that 1 stone ≈ 6.35kg.
What's the difference between stone and pounds in UK measurements?
Stone and pounds are both imperial units of weight used in the UK. One stone equals exactly 14 pounds. For body weight, UK adults typically use stone and pounds together (e.g., "I weigh 10 stone 7 pounds"). Kilograms are used in medical settings and on NHS records. Our weight converter above handles all these conversions instantly.
Is 59kg considered overweight or underweight in the UK?
59kg alone doesn't determine if it's overweight or underweight — your height matters significantly. Your BMI (calculated from both weight and height) is what matters for UK health guidance. Use our free BMI calculator above to enter your height and weight, and you'll see immediately whether 59kg is healthy for you according to NHS guidelines.
How does 59kg compare to the average UK adult weight?
The average UK adult woman weighs approximately 71.6kg (11 stone 3lbs), and the average man weighs approximately 85.7kg (13 stone 7lbs). So 59kg is below average, but "average" doesn't mean healthy — what matters is your personal BMI relative to your height and any weight-related health conditions you may have.
Can I use the weight converter for other measurements?
Yes. Our free weight converter on this page converts between kilograms, stone, pounds, and combinations of stone and pounds. You can enter any weight value in any unit and instantly see the conversion across all systems. It's useful for tracking your weight in whichever measurement you prefer.
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.