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 77 Kilos In Stones?
77 kilos converts to 12 stone and 2.2 pounds (12st 2.2lbs) using the standard UK weight conversion. This measurement is helpful when checking your weight against NHS guidance or understanding your BMI. Use our free weight converter above to switch between kilograms, stone, and pounds instantly, or calculate your personal BMI with our BMI calculator to see how 77kg fits into your individual health picture.
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.
How to Convert 77kg to Stone
The conversion from kilograms to stone uses a fixed formula: divide kilograms by 6.35029. For 77kg: 77 ÷ 6.35029 = 12.13 stone, which equals 12 stone and 2.2 pounds.
- 77kg = 12st 2.2lbs exactly
- 77kg = 169.8 pounds (lbs)
- To convert stone to kg: multiply by 6.35029
- To convert pounds to kg: multiply by 0.453592
The UK predominantly uses stone and pounds for body weight, unlike most of Europe which uses kilograms. This is why many people find weight conversion helpful when checking health information or following UK health advice. Our free weight converter on this page makes switching between units instant and accurate.
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.
What Does 77kg Mean for Your Health?
Whether 77kg is a healthy weight depends on your height. According to NHS guidance, a healthy BMI for most adults is between 18.5 and 24.9. If you are 1.75m tall (5ft 9in), 77kg gives a BMI of approximately 25.2, which falls into the overweight category. If you are 1.85m tall (6ft 1in), the same weight gives a BMI of around 22.5, which is within the healthy range.
Use our BMI calculator above to find your personal BMI based on your exact height and weight. For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends slightly lower BMI thresholds due to higher health risks at lower weights. If you have concerns about your weight or health, speak with your GP for personalised guidance.
- 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 77kg a healthy weight?
It depends on your height and ethnicity. For most adults, a healthy weight gives a BMI between 18.5 and 24.9. Use our BMI calculator to check your personal BMI at 77kg. For South Asian and Black African adults, lower BMI thresholds apply. Your GP can provide personalised advice.
How do I convert 77kg to stone quickly?
Divide 77 by 6.35 to get approximately 12.1 stone. More precisely, 77kg = 12 stone 2.2 pounds. Our free weight converter above gives instant conversions between kg, stone, and pounds for any weight.
What is 77kg in pounds only?
77 kilograms equals approximately 169.8 pounds (lbs). You can also express this as 12 stone 2.2 pounds using the UK stone and pounds system.
How does 77kg compare to average UK adult weight?
Average UK adult weight is approximately 85.7kg for men and 71.6kg for women. At 77kg, you are slightly above the average UK woman's weight but below the average UK man's weight. Individual healthy weight varies by height, age, and body composition.
Should I lose weight if I weigh 77kg?
Weight loss decisions should be based on your BMI, health conditions, and GP advice — not weight alone. Calculate your BMI using our BMI calculator to see if weight loss is recommended for your height. Your GP can discuss whether weight management is right for you.
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.