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 10.4 Stone In Pounds?
10.4 stone is equal to 145.6 pounds (lbs). To convert stone and pounds into kilograms, 10.4 stone converts to approximately 66 kg. This conversion uses the standard stone to kg conversion formula where one stone equals exactly 14 pounds. Whether you're checking your weight against NHS guidelines or converting between metric and imperial measurements, understanding how many kilograms are in stone helps you interpret health information clearly. Use our free weight converter above to instantly switch between stone, pounds, and kilograms at any value.
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.
Stone To Pounds Conversion Table
The exact conversion for 10.4 stone to lbs is 145.6 pounds. Each stone contains precisely 14 pounds, so multiply 10.4 by 14 to get the result. Here's a quick reference table showing nearby conversions:
- 10.0 stone = 140 lbs
- 10.2 stone = 142.8 lbs
- 10.4 stone = 145.6 lbs
- 10.6 stone = 148.4 lbs
- 10.8 stone = 151.2 lbs
The conversion formula is simple: multiply stone by 14. For 10.4 stone: 10.4 × 14 = 145.6 lbs. If you need to convert kilograms to stone, divide the kg value by 6.35029. At 10.4 stone (66 kg), you can check your BMI using our free BMI calculator on this page by entering your height.
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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.
10.4 Stone In BMI Context — Is This A Healthy Weight?
Whether 10.4 stone (145.6 lbs or 66 kg) is a healthy weight depends entirely on your height. At average UK heights, this weight typically falls within the overweight to obese range according to NHS guidelines. For example, at 5ft 6in (168 cm), a weight of 10.4 stone gives a BMI of approximately 23.5, which is within the healthy range. However, at 5ft 2in (157 cm), the same weight produces a BMI of around 24.8—still healthy but near the upper limit. At 5ft (152 cm), it rises to approximately 27.4—classified as overweight. Calculate your personal BMI instantly using the calculator above and compare it against NHS healthy weight thresholds to see where your weight sits for your specific height.
- 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 10.4 stone in kilograms?
10.4 stone is approximately 66 kg. To convert stone to kilograms, multiply by 6.35029. So 10.4 × 6.35029 = 66 kg. This conversion is useful if you need to check your weight against NHS clinical guidelines, which often use metric measurements.
How do I convert stone and pounds to kilograms?
First, convert stone to pounds (multiply by 14), then add any additional pounds. For example, 10 stone 5 pounds = (10 × 14) + 5 = 145 lbs total. Then convert to kg by multiplying by 0.453592, or use our free weight converter tool on this page for gradual improvement.
Is 10.4 stone a healthy weight?
This depends on your height. According to NHS guidelines, a healthy BMI is 18.5 to 24.9. At 10.4 stone, your BMI could range from about 21 to 29 depending on height. Use our free BMI calculator above to find your personal BMI and see whether this weight falls within the healthy range for you.
How many kg is one stone?
One stone equals 6.35029 kg. This is the standard conversion used across UK health services. So to convert any weight in stone to kilograms, simply multiply the stone value by 6.35029. Conversely, divide kg by 6.35029 to get stone.
Can I track weight changes from stone to lbs?
Yes. Our free progress tracker on this page allows you to log your weight in stone, pounds, or kilograms and track changes over time. This is particularly useful if you're working with a healthcare provider who uses different measurement units than 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.