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
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11st 7lbs in Kilograms — Quick Conversion
11 stone 7 pounds (11st 7lbs) converts to approximately 73.03 kilograms (kg). This is a straightforward conversion using the standard UK measurement system, where 1 stone equals 6.35029 kg. Understanding your weight in both imperial and metric units helps when using NHS health guidance, online calculators, or discussing your health with your GP. Use our free weight converter to switch between stone, pounds, and kilograms instantly, and explore what this weight means for your personal health context.
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 11st 7lbs to Kilograms
To convert 11 stone 7 pounds to kilograms, break the calculation into two steps:
- Convert stone to kg: 11 stone × 6.35029 = 69.853 kg
- Convert pounds to kg: 7 pounds × 0.453592 = 3.175 kg
- Add them together: 69.853 + 3.175 = 73.03 kg
This conversion is exact and reliable for UK health information. The NHS often uses kilograms in clinical settings, so knowing your weight in kg is useful when discussing health targets with your GP or using online health calculators. Our free weight converter above makes this instant if you prefer not to calculate manually.
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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.
What Does 73 kg Mean for Your Health?
At 73 kg, your BMI depends on your height. For example, an adult who is 1.70 metres tall (5ft 7in) would have a BMI of approximately 25.3, which falls into the overweight category according to NHS guidelines (BMI 25.0–29.9). However, BMI has limitations — it does not account for muscle mass or where fat is stored. Your GP can provide personalised health advice based on your individual circumstances. Try our free BMI calculator above to find your personal BMI, and use our GLP-1 weight loss calculator if you are exploring weight management options aligned with current NHS health guidance.
- 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 73 kg a healthy weight?
Whether 73 kg is healthy depends on your height, age, sex, and overall health. For most adults, a BMI of 18.5–24.9 is considered healthy. At 73 kg, you would need to be around 1.75m+ tall to be in the healthy BMI range. Use our BMI calculator to check your personal BMI and discuss results with your GP for tailored advice.
How do I convert stone and pounds to kg quickly?
Multiply stone by 6.35029 and pounds by 0.453592, then add them together. For 11st 7lbs: (11 × 6.35029) + (7 × 0.453592) = 73.03 kg. Our free weight converter above does this instantly for any weight in stone and pounds.
Why do UK doctors use kilograms instead of stone?
Kilograms are the international standard in healthcare and allow precise clinical measurements. The NHS uses kg for blood pressure, BMI, and medication dosing. However, most UK adults prefer stone for personal weight, so knowing both units is practical.
What is the NHS guidance on healthy weight?
The NHS recommends a BMI of 18.5–24.9 for most adults. For South Asian, Chinese, Black African, or Black Caribbean adults, the threshold is 18.5–22.9. Lower BMI thresholds apply to these groups due to higher health risks at the same weight. Discuss your personal healthy weight range with your GP.
Can I use this weight conversion for medical purposes?
Yes, 73.03 kg is the precise conversion of 11st 7lbs and is accurate for medical use. However, always verify clinical measurements with your healthcare provider. For weight loss or health management discussions, use this conversion alongside your BMI and input from your GP.
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.