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 23 Stone In Kg?
23 stone is equal to 146.05 kg. To convert stone to kilograms, multiply the stone weight by 6.35029. This conversion is useful for understanding your weight in metric units, which NHS health professionals often use in clinical settings. If you're exploring your weight as part of an NHS health guide or weight management journey, knowing both measurements helps you engage with health information more effectively. 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.
23 Stone to Kg — Detailed Conversion
23 stone = 146.05 kg exactly.
The conversion formula is straightforward: stone × 6.35029 = kilograms. So 23 × 6.35029 = 146.05 kg. This metric measurement is the standard used by NHS clinicians, healthcare databases, and medical research. If you weigh 23 stone, your weight in kilograms is useful for:
- Clinical assessments and health appointments with your GP
- Calculating your BMI (body mass index) using NHS thresholds
- Understanding health research and medical guidelines
- International health comparisons and travel health records
Our free weight converter at the top of this page lets you convert any stone weight to kg, lbs, or combinations instantly — no calculator needed.
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.
BMI and Healthy Weight Context at 23 Stone
At 23 stone (146.05 kg), your BMI depends on your height. For example, at an average adult height of 1.73m (5ft 8in), a weight of 23 stone gives a BMI of 48.8, which falls in the severely obese category according to NHS guidelines. Use our free BMI calculator above to check your personal BMI based on your exact height and weight. The NHS healthy weight range for most adults is a BMI between 18.5 and 24.9. Even modest weight loss of 5–10% can bring meaningful health benefits, including lower blood pressure and improved blood sugar control.
- 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 23 stone to kg?
Multiply 23 by 6.35029. The answer is 146.05 kg. You can also use our free weight converter on this page to convert any stone weight to kilograms, pounds, or stone and pounds combinations instantly.
Is 23 stone a healthy weight?
Whether 23 stone is healthy depends on your height. Use our BMI calculator to check your personal BMI. For most adults, a healthy BMI is 18.5–24.9. At 23 stone, most people would have a BMI in the obese range, though your GP can give you personalised health advice.
What does NHS guidance say about weight at 23 stone?
The NHS recommends weight management support for adults with a BMI over 30. If you're interested in weight management options, your GP can discuss NHS-funded support, specialist weight management services (tier 3/4), or prescription weight loss medications available in the UK following clinical assessment.
How much weight loss would bring health benefits from 23 stone?
The NHS and evidence-based health guidance suggest that losing even 5–10% of body weight can improve blood pressure, blood sugar control, and joint health. From 23 stone, a 5–10% loss would be approximately 7.3–14.6 kg (1–2 stone), achievable through sustained calorie reduction and physical activity.
What weight loss options are available in the UK?
Options include NHS-funded lifestyle programmes, GP-led weight management plans, specialist tier 3 services, and prescription weight loss medications (Mounjaro and Wegovy) available through NHS specialist services or private assessment. Your GP can discuss which option is right for your individual health needs.
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.