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 Into Stone — Instant Conversion & Health Context
77 kilograms is equal to 12 stone and 2 pounds (12st 2lbs) in UK measurements. This conversion uses the standard kilogram to stone conversion formula. At average UK heights, this weight places most adults in the overweight or obese category according to NHS guidelines. Understanding your weight in both metric and imperial units helps you track progress and discuss health with your GP. Use our free weight converter above to check other weight values instantly, or calculate your personal BMI to see what this weight means for your specific height and age.
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.
Detailed Conversion & Nearby Weight Values
77kg = 12 stone 2 pounds (12st 2lbs)
To convert kilograms to stone, divide by 6.35029. For 77kg: 77 ÷ 6.35029 = 12.13 stone. The decimal (0.13) converts to pounds by multiplying by 14: 0.13 × 14 = approximately 1.8 pounds, rounding to 2 pounds.
Here are weight values near 77kg for quick reference:
- 73kg = 11st 7lbs
- 74kg = 11st 9lbs
- 75kg = 11st 11lbs
- 76kg = 11st 13lbs
- 77kg = 12st 2lbs
- 78kg = 12st 4lbs
- 79kg = 12st 6lbs
- 80kg = 12st 8lbs
- 81kg = 12st 10lbs
This reference table helps if you're tracking weight loss or checking nearby values in stone and pounds.
Clinically BackedWeight Loss
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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.
BMI & Health Context at 77kg
At 77kg, your BMI depends on your height. For example, at the average UK adult male height of 5ft 9in (175cm), a weight of 77kg gives a BMI of approximately 31.5, which falls into the obese (Class I) category according to NHS guidelines. At the average UK adult female height of 5ft 3.5in (161.6cm), the same weight gives a BMI of approximately 29.6, which is in the overweight category. Use our free BMI calculator above to calculate your exact BMI based on your personal height. The healthy weight range at most heights is significantly lower — typically between 50–70kg depending on height and frame size.
- 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.
What is 77kg in stone and pounds exactly?
77kg equals 12 stone and 2 pounds (12st 2lbs). To calculate this, divide 77 by 6.35029 to get stone, then multiply the decimal portion by 14 to get pounds. This conversion is exact and widely used across the NHS and UK health services.
Is 77kg a healthy weight?
Whether 77kg is healthy depends on your height, age, and sex. For most UK adults, this weight falls into the overweight or obese BMI range. Use our free BMI calculator to check your personal BMI — the NHS healthy weight range is typically 50–70kg at average heights, though individual targets vary.
How do I convert other kg values to stone?
Divide the kilogram value by 6.35029 to get stone. For example, 80kg ÷ 6.35029 = 12.6 stone. To convert the decimal to pounds, multiply by 14. Our free weight converter above instantly converts any value between kg, stone, and pounds.
What is the healthy weight range for my height at 77kg?
The healthy weight range varies by height. At 5ft 8in (173cm), the healthy range is roughly 55–74kg. At 5ft 10in (178cm), it's 58–78kg. Use our BMI calculator with your specific height to find your personal healthy weight range according to NHS guidelines.
How can I track weight loss from 77kg?
Monitor your progress by recording your weight weekly in the same conditions (e.g., morning, after toilet). Aim for a sustainable loss of 0.5–1kg per week. Use our free progress tracker to log your journey, or calculate projected outcomes using our GLP-1 weight loss calculator if you're considering prescription weight loss support.
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.