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 9 Stone 5 in Kilograms?
9 stone 5 pounds equals approximately 59.42 kilograms. If you're converting your weight between UK and metric measurements, this conversion is useful for medical records, fitness tracking, or health assessments. Understanding your weight in both imperial and metric units helps you compare your health data across different contexts—whether you're using NHS guidance, international health calculators, or UK health information resources. Use our free weight converter above to switch between stone, pounds, and kilograms 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.
How to Convert 9 Stone 5 to Kilograms
The conversion from stone and pounds to kilograms uses a simple formula. One stone equals exactly 6.35029 kilograms, and one pound equals 0.453592 kilograms.
To convert 9 stone 5 pounds:
- 9 stone × 6.35029 = 57.15261 kg
- 5 pounds × 0.453592 = 2.26796 kg
- Total: 57.15261 + 2.26796 = 59.42 kg
This means 9st 5 is approximately 59.4 kg when rounded to one decimal place. If you prefer not to calculate manually, our free weight converter on this page handles the conversion instantly 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 9 Stone 5 a Healthy Weight?
Whether 9 stone 5 (59.42 kg) is a healthy weight depends on your height and individual health profile. The NHS uses BMI (Body Mass Index) as a screening tool: a healthy BMI ranges from 18.5 to 24.9 for most adults. At 59.42 kg, someone 5ft 4in (163 cm) tall would have a BMI of approximately 22.1—firmly in the healthy range. However, BMI varies significantly by height.
Use our free BMI calculator above to check your personal BMI instantly based on your exact height and weight. If you're concerned about whether your weight is appropriate for your health, your GP can provide personalised NHS health advice tailored to your individual circumstances and any weight-related health conditions.
- 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 kg is 9 stone 5 exactly?
9 stone 5 pounds equals 59.42 kilograms exactly. To calculate: (9 × 6.35029) + (5 × 0.453592) = 59.42 kg. Our weight converter above gives instant conversions for any stone and pound values.
What's my BMI if I weigh 9 stone 5?
Your BMI depends on your height. At 9st 5 (59.42 kg), a person who is 5ft 4in tall would have a BMI of about 22.1, which is in the healthy range. Use our free BMI calculator on this page to calculate your exact BMI based on your height.
Is 59.42 kg considered overweight according to NHS guidance?
Not necessarily—it depends on your height. The NHS considers healthy weight to be a BMI between 18.5 and 24.9. At 59.42 kg, shorter adults may be in the overweight range, while taller adults would be in the healthy range. Your GP can advise you based on your individual health profile.
How do I convert stone and pounds to kg quickly?
Multiply stone by 6.35029, multiply pounds by 0.453592, then add them together. For 9st 5: (9 × 6.35029) + (5 × 0.453592) = 59.42 kg. The weight converter tool above does this instantly for any value.
Why do UK adults use stone and pounds instead of kilograms?
Historically, the UK has used imperial measurements for body weight, and this tradition continues despite the NHS using kilograms for clinical records. Most UK people still prefer to discuss weight in stone and pounds, which is why understanding both measurements is useful for health and fitness tracking.
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.