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 58.8kg in Stone? BMI and Health Context
58.8kg converts to 9 stone 3 pounds (9st 3lbs) using standard UK weight measurements. However, your BMI at this weight depends on your height — whether this is a healthy weight for you can only be determined once we know how tall you are. Our free BMI calculator above will help you find your exact BMI instantly. Understanding your BMI in the context of NHS guidelines is important for assessing your current health status.
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.
58.8kg BMI at Different Heights
To convert 58.8kg to stone, we divide by 6.35, giving us 9st 3lbs. Your BMI at this weight varies significantly depending on your height. Here are typical examples:
- At 155cm (5ft 1in): BMI ≈ 24.5 — healthy weight range (NHS)
- At 160cm (5ft 3in): BMI ≈ 23 — healthy weight range (NHS)
- At 165cm (5ft 5in): BMI ≈ 21.6 — healthy weight range (NHS)
- At 170cm (5ft 7in): BMI ≈ 20.3 — healthy weight range (NHS)
- At 175cm (5ft 9in): BMI ≈ 19.2 — healthy weight range (NHS)
- At 180cm (5ft 11in): BMI ≈ 18.1 — healthy weight range (NHS)
Use our weight converter to see 58.8kg in other measurements, and try our BMI calculator above to check your personal BMI at your exact 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.
NHS BMI Categories and Limitations
According to NHS guidelines, a healthy BMI sits between 18.5 and 24.9 for most UK adults. At 58.8kg, you fall within the healthy range across a wide height spectrum — provided you're of average height or above. However, BMI has important limitations. It does not distinguish between muscle and fat mass, so very muscular individuals may have a higher BMI without excess body fat. BMI also doesn't account for where fat is stored or variations in bone density. Your GP can provide personalised health advice beyond BMI alone, considering your individual circumstances and family history.
- 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 58.8kg in stone and pounds exactly?
58.8kg converts to 9 stone and 3 pounds (9st 3lbs). To calculate this yourself, divide kilograms by 6.35029 to get stone, then multiply the remainder by 14 to get pounds.
Is 58.8kg a healthy weight for me?
This depends on your height. Use the BMI calculator above to enter your height and get your exact BMI. For most adults between 155cm and 180cm, 58.8kg falls within the healthy weight range according to NHS guidelines.
How do I convert kilograms to stone for other weights?
Divide the weight in kg by 6.35 to get stone. For example, 70kg ÷ 6.35 = 11.02 stone. Our free weight converter on this page handles the calculation instantly for any weight.
Does BMI tell the whole story about health?
No. BMI is a useful screening tool but doesn't account for muscle mass, fat distribution, or bone density. A healthy waist circumference and regular physical activity are also important. Talk to your GP for a complete health assessment.
What's the healthy weight range for my height?
The NHS defines healthy BMI as 18.5–24.9. For your height, a GP or your practice nurse can tell you the healthy weight range in stone and pounds, or use our BMI calculator above to find it instantly.
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.