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 58 Kilos in Stones?
58 kilos is equal to 9 stone and 2 pounds (9st 2lbs). This conversion uses the standard metric to imperial weight formula, where 1 kilogram equals 0.157473 stone. Whether you're tracking your weight in UK measurements or comparing health guidelines, converting your weight in stone helps you understand where you fall on NHS health charts. Use our free weight converter above to switch between kg, stone, and pounds instantly.
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.
58kg Conversion Formula & Nearby Weight Values
To convert 58 kilos to stone, divide 58 by 6.35029 (the exact kg to stone conversion factor). This gives you 9.14 stone, which equals 9 stone and 2 pounds. The standard conversion formula is simple: kg ÷ 6.35029 = stone.
Here's a reference table showing weights near 58kg to help you find your own weight conversion:
- 55kg = 8st 9.6lbs
- 56kg = 8st 12.4lbs
- 57kg = 8st 15.2lbs
- 58kg = 9st 2lbs
- 59kg = 9st 4.8lbs
- 60kg = 9st 6.4lbs
- 61kg = 9st 9.2lbs
- 62kg = 9st 12lbs
This weight in stone can help you track progress against NHS healthy weight guidelines for your height.
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 58kg a Healthy Weight for UK Adults?
Whether 58kg is a healthy weight depends entirely on your height. At 5ft 4in (163cm), a weight of 58kg gives a BMI of approximately 24.4 — within the healthy weight range. At 5ft 2in (157cm), the same weight gives a BMI of around 23.5, also healthy. However, at 5ft 8in (173cm), 58kg results in a BMI of 19.4, well within the healthy range.
Use our free BMI calculator on this page to find your personal BMI and discover whether 58kg is appropriate for your height. The NHS recommends a healthy BMI between 18.5 and 24.9 for most adults. If you're of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends a healthy range of 18.5 to 22.9.
- 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.
Is 58 kilograms considered underweight?
Not necessarily. At 58kg, your health depends on your height and body composition. For most adults of average to tall height, 58kg falls within or below the healthy weight range. For shorter adults, it may be at the upper end of healthy. Your GP can assess whether this weight is appropriate for your individual health and frame size.
How do I convert 58kg to stones and pounds accurately?
Divide 58 by 6.35029 to get 9.14 stone. Convert the decimal (0.14) to pounds by multiplying by 14: 0.14 × 14 = 1.96 pounds, giving you 9 stone and 2 pounds (9st 2lbs). Try our weight converter above for instant conversions between all UK measurements.
What is the BMI at 58 kilograms?
Your BMI at 58kg depends on your height. At 5ft 6in (168cm), your BMI would be approximately 21.5 — within the healthy range. Use our BMI calculator on this page to enter your exact height and get your personal BMI instantly, plus NHS guidance on whether it's healthy for you.
How many pounds is 58 kilograms?
58 kilograms equals 127.9 pounds (often rounded to 128 lbs). To convert, multiply 58 by 2.20462. However, in the UK, we typically express this as 9 stone 2 pounds since stone is the more common unit for body weight here.
Is 58kg a good weight loss goal?
Whether 58kg is a suitable weight loss goal depends on your current weight, height, age, and health conditions. The NHS recommends aiming for a healthy BMI rather than a specific weight, as healthy weight varies significantly by height and individual circumstances. Talk to your GP about a realistic and sustainable goal for your situation. ```
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.