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's 73kg in Stone?
73 kilograms is equal to 11 stone and 7 pounds (11st 7lbs). If you prefer pure pounds, that's approximately 161 lbs. This weight falls within the overweight category according to NHS guidelines for most adults, though the health significance depends on your height, age, and overall fitness. Using our free weight converter above, you can instantly switch between kilograms, stone, and pounds — the three measurement systems commonly used in the UK for body weight.
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.
Where Does 73kg Fit on the NHS Health Scale?
At 73kg, your health context depends entirely on your height. For example, if you're 5ft 8in (173cm) tall, a weight of 73kg gives a BMI of approximately 24.4 — which falls comfortably within the healthy weight range of 18.5 to 24.9 according to NHS guidelines. However, if you're 5ft 4in (163cm), the same 73kg weight would result in a BMI of around 26.8 — classified as overweight. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds, with a healthy range of 18.5 to 22.9. Calculate your personal BMI instantly using our free BMI calculator on this page to see exactly where you stand and what it means for your individual health profile.
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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.
UK Tools and Resources for Weight Management
If you're interested in understanding your weight in the context of overall health, several free NHS resources and MyWeightCheck tools can help. Our free weight converter lets you switch between kg, stone, and pounds instantly — useful if you're tracking weight changes or comparing your measurement to health guidance. The NHS Healthy Weight Calculator is also available through your GP or online, and provides personalised advice based on your individual circumstances. If weight management is a concern, your GP can discuss sustainable approaches including diet, physical activity, and — if appropriate — referral to specialist weight management services.
- 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 73kg a healthy weight?
Whether 73kg is healthy depends on your height, age, and individual health profile. Use the BMI calculator on this page with your height to get your personal BMI. For most adults, a BMI between 18.5 and 24.9 is considered healthy by NHS standards. Your GP can give you personalised advice about what's healthy for you.
How do I convert 73kg to stone and pounds?
73kg equals 11 stone and 7 pounds (11st 7lbs). To remember the conversion: divide kilograms by 6.35 to get stone, or multiply by 2.20462 to get pounds. Our free weight converter above makes this instant and removes any calculation uncertainty.
What does 73kg mean in terms of overweight or obese?
73kg on its own doesn't determine if you're overweight — your BMI (which combines weight with height) does. At 73kg, you could be healthy weight, overweight, or obese depending on how tall you are. Calculate your personal BMI to find out where you stand.
Should I lose weight if I'm 73kg?
Whether weight loss is appropriate depends on your individual health, BMI, and any existing health conditions. Speak to your GP, who can assess your personal situation and discuss whether weight management would benefit you. Weight loss isn't necessary or appropriate for everyone.
How can I track weight changes from 73kg?
Our free progress tracker on MyWeightCheck lets you log weight measurements over time and see your trends visually. Tracking small changes week to week or month to month helps you stay motivated and see the bigger picture of your health journey.
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.