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 79.5kg in Stone and Pounds?
79.5 kilograms equals 12 stone 7.3 pounds (or approximately 12st 7lbs). However, whether this weight is healthy depends entirely on your height. The same weight gives a different BMI for someone who is 5ft 4in compared to someone who is 6ft 2in. Using our free BMI calculator on this page, you can instantly discover your personal BMI and see which NHS health category you fall into. This guide shows you BMI examples at six different heights, so you can see where 79.5kg sits for your frame.
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.
79.5kg BMI at Different Heights
To convert 79.5kg to stone and pounds, divide by 6.35029: this gives 12.54 stone, which is 12 stone and 7.6 pounds. But your BMI depends on your height. Here's what 79.5kg means across common UK heights:
- 5ft 2in (157cm): BMI 29.6 — Overweight (NHS category)
- 5ft 6in (168cm): BMI 25.6 — Overweight
- 5ft 10in (178cm): BMI 22.6 — Healthy weight
- 6ft 0in (183cm): BMI 20.8 — Healthy weight
- 6ft 2in (188cm): BMI 19.5 — Healthy weight
As you can see, 79.5kg in stone and pounds stays constant, but the health context changes significantly with height. Use the BMI calculator above to enter your exact height and find your personal result instantly.
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.
Understanding BMI Categories and Limitations
According to NHS guidelines, a healthy BMI is between 18.5 and 24.9. If 79.5kg gives you a BMI above this range, it doesn't mean you're unhealthy — BMI has important limitations. It doesn't account for muscle mass (athletes often have high BMI despite low body fat), bone density, or where your weight is distributed. Your waist circumference also matters: the NHS recommends men keep below 102cm and women below 88cm for optimal health. For a complete health picture, use the weight converter on this page to compare your weight in different units, then discuss your results with your GP, who can assess your individual circumstances.
- 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 79.5 kilos to stones and pounds?
Divide 79.5 by 6.35029 to get stone, or multiply by 2.20462 for pounds. 79.5kg equals 12 stone 7.6 pounds. Use the weight converter tool on this page for instant conversions between kg, stone, and lbs.
Is 79.5kg a healthy weight?
It depends on your height and overall health. At 5ft 10in, 79.5kg gives a healthy BMI of 22.6. At 5ft 2in, it gives 29.6 (overweight). Use our BMI calculator to find your personal result and discuss it with your GP.
What is the NHS BMI category for 79.5kg?
79.5kg itself has no BMI category — BMI requires both weight and height. Use the calculator on this page with your height to find your NHS category: healthy weight (18.5–24.9), overweight (25–29.9), or obese (30+).
Why does height matter so much for BMI?
BMI divides weight by height squared. Taller people can weigh more while maintaining a healthy BMI. Two people at 79.5kg could have very different BMIs: a 5ft 2in person's BMI of 29.6 differs significantly from a 6ft person's 20.8.
Does 79.5kg in stone mean I'm overweight?
Not necessarily. At 12st 7lbs, your health depends on height and composition. Use the free BMI calculator above with your height to check. You might also discuss waist measurement and overall fitness with your GP for personalised guidance.
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.