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
Convert 77.5 Kg to Stone
77.5 kilograms equals 12 stone 3.4 pounds. To convert kilograms to stone, divide the kilogram value by 6.35029. At 77.5kg, you're just above the UK average adult weight (approximately 71.6kg for women, 85.7kg for men). This weight falls into different BMI categories depending on your height — use our free BMI calculator above to find your personal BMI and understand what this weight means for your health at your specific height.
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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.
77.5 Kg to Stone Conversion Formula
The exact 77.5 kg to stone conversion is:
- 77.5 kg = 12 stone 3.4 pounds
- 77.5 kg = 170.9 pounds
- 77.5 kg = 12.19 stone
To understand how to convert kg to stone yourself, use this simple formula: divide the kilogram amount by 6.35029. So 77.5 ÷ 6.35029 = 12.19 stone. To convert the decimal portion into pounds, multiply the decimal (0.19) by 14: 0.19 × 14 = 2.7 pounds. This weight in stone and pounds shows the metric to imperial conversion used across the UK for personal weight measurement.
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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.
77.5 Kg at Different Heights — BMI Context
At 77.5kg, your BMI depends on your height. For example, at 163cm (5ft 4in, the average UK woman height), a weight of 77.5kg gives a BMI of approximately 29.2, falling into the overweight category. At 175cm (5ft 9in, average UK man height), the same weight gives a BMI of about 25.3, within the healthy weight range. Try our free weight converter and BMI calculator above to check your personal BMI instantly. If your BMI indicates overweight or obesity, even a modest weight loss of 5–10% can improve health markers like blood pressure and 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.
Is 77.5 kg considered overweight in the UK?
Whether 77.5kg is overweight depends on your height and sex. According to NHS guidelines, a healthy BMI is 18.5–24.9. At average UK heights, 77.5kg may fall into the overweight category. Use our BMI calculator above to find your personal status — it's a better indicator than weight alone.
How do I convert 77.5 kg to stone and pounds?
77.5kg equals 12 stone 3.4 pounds. To convert any kilogram weight to stone, divide by 6.35029. Then multiply the decimal portion by 14 to get pounds. Our weight converter above calculates this instantly for you.
What is 77.5 kg in pounds?
77.5 kilograms equals approximately 170.9 pounds (or 170.86 lbs exactly). One kilogram equals 2.20462 pounds, so 77.5 × 2.20462 = 170.86 lbs. This is useful if you're using equipment or programmes that measure weight in pounds rather than stone.
Is 77.5 kg a healthy weight for an adult?
Healthy weight depends on your height, age, sex, and muscle mass. At 77.5kg, calculate your BMI using our free tool above to get a personalised answer. If you have concerns about your weight and health, your GP can provide tailored guidance based on your individual circumstances.
How do I use a kg to stone converter?
Our free weight converter on this page converts between kilograms, stone, and pounds instantly. Simply enter 77.5kg and it will show you the equivalent in stone and pounds. It also works backwards — enter a weight in stone and see the kilogram equivalent.
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.