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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77kg in Stone — Quick Conversion & Health Context
77 kilograms is equal to 12 stone and 1.9 pounds (or approximately 12 stone 2 lbs). If you're looking to understand your weight in UK measurements, this conversion is straightforward using the standard kilogram to stone conversion formula. Use our free weight converter above to switch between kg, stone, and pounds instantly, or read on to see how 77kg relates to healthy weight ranges and BMI across different heights.
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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.
Converting 77kg to Stone — The Formula & Reference Table
To convert 77kg to stone, divide the kilogram value by 6.35029. This gives: 77 ÷ 6.35029 = 12.14 stone. To express this as stone and pounds, multiply the decimal (0.14) by 14: 0.14 × 14 = 1.9 lbs, giving you 12 stone 1.9 lbs.
Here's a reference table showing how 77kg compares to weights nearby:
- 72kg = 11 stone 5.5 lbs
- 74kg = 11 stone 8.3 lbs
- 75kg = 11 stone 10.1 lbs
- 77kg = 12 stone 1.9 lbs
- 79kg = 12 stone 5.7 lbs
- 80kg = 12 stone 7.5 lbs
- 82kg = 12 stone 11.3 lbs
These values help you understand how weight in kilograms translates across the metric and imperial systems commonly used in the UK.
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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 BMI Does 77kg Give You? Health Context at Different Heights
At 77kg, your BMI depends on your height. For example, at an average UK adult height of 1.75m (5ft 9in), a weight of 77kg gives a BMI of 25.1, which falls in the overweight category according to NHS guidelines (BMI 25.0–29.9). At 1.70m (5ft 7in), the BMI would be 26.6, still overweight. At 1.80m (5ft 11in), the BMI would be 23.8, which is in the healthy weight range.
Calculate your personal BMI using our free BMI calculator on this page to see where 77kg sits for your specific height and get personalised NHS health context.
- 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 77kg to stone and pounds?
Divide 77 by 6.35029 to get 12.14 stone. The decimal (0.14) multiplied by 14 equals 1.9 lbs, so 77kg = 12 stone 1.9 lbs (approximately 12 stone 2 lbs). Use our weight converter tool above for instant conversions between any weights.
Is 77kg a healthy weight?
Whether 77kg is healthy depends on your height, age, and body composition. At average UK heights, 77kg typically results in a BMI between 23.8 and 26.6. A BMI of 25–29.9 is classified as overweight by NHS guidelines, while 18.5–24.9 is healthy. Use our BMI calculator to check your personal result.
What is the BMI formula used?
BMI = weight in kilograms ÷ (height in metres)². For example, at 1.75m tall, a weight of 77kg gives: 77 ÷ (1.75)² = 77 ÷ 3.0625 = 25.1 BMI. Our free BMI calculator on this page does this instantly.
How many pounds is 77kg?
77kg equals approximately 169.8 pounds (77 × 2.20462). In UK stone and pounds, this is 12 stone 1.9 lbs. The weight converter tool above can convert between all three systems instantly.
What healthy weight range should I aim for at my height?
A healthy BMI range is 18.5–24.9 according to NHS guidelines. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the healthy range is 18.5–22.9. Enter your height into our free BMI calculator to see your personal healthy weight range, or speak to your GP for tailored 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.