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
77 Pounds in Kilograms — Quick Conversion
77 pounds is equal to approximately 34.9 kg. This conversion uses the standard metric to imperial weight conversion factor used across the NHS and UK health services. Whether you're checking your weight for health reasons, tracking fitness progress, or simply need to convert between imperial and metric measurements, understanding how to convert pounds to kilograms is straightforward. Use our free weight converter above to switch between stone, pounds, and kilograms instantly.
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.
Conversion Formula and Nearby Values
To convert pounds to kilograms, divide the pound value by 2.20462. Using this standard conversion: 77 lbs ÷ 2.20462 = 34.9 kg.
Here are nearby weight values for quick reference:
- 70 lbs = 31.75 kg
- 73 lbs = 33.11 kg
- 75 lbs = 34.02 kg
- 77 lbs = 34.93 kg
- 79 lbs = 35.84 kg
- 80 lbs = 36.29 kg
- 85 lbs = 38.56 kg
The kg to stone conversion works differently — at 34.9 kg, this weight is equivalent to approximately 5 stone 6 pounds using UK measurements.
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.
BMI and Health Context at 77 Pounds
At 77 pounds (34.9 kg), BMI depends entirely on height. For example, at an average UK female height of 163 cm (5ft 4in), a weight of 77 lbs gives a BMI of 13.1 — well below the healthy range of 18.5–24.9 according to NHS guidelines. At 175 cm (5ft 9in), the BMI would be 11.4.
This weight is typically underweight for most adults. If you're concerned about your weight or health, speak with your GP who can provide personalised guidance. Our free BMI calculator above lets you check your exact BMI using your height and current weight.
- 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 77 pounds in kilograms exactly?
77 pounds equals 34.93 kilograms. The conversion uses the standard factor of 2.20462 lbs per kg. For practical purposes, 77 lbs is often rounded to 34.9 kg in health and fitness contexts.
How do I convert pounds to kg?
Divide the pound value by 2.20462 to get kilograms. For example: 77 lbs ÷ 2.20462 = 34.93 kg. Alternatively, use our free weight converter on this page for gradual improvement across all units.
What is 77 pounds in stone and pounds?
77 pounds converts to 5 stone 7 pounds in UK measurements. Stone to pound conversion is straightforward: divide pounds by 14. So 77 lbs ÷ 14 = 5 stone remainder 7 pounds.
Is 77 pounds a healthy weight?
Whether 77 pounds is healthy depends on your height and age. For most adults, this weight is underweight. Use our free BMI calculator to check your personal BMI — a healthy range is typically 18.5–24.9 according to NHS guidelines.
How does 77 pounds compare to average UK weight?
The average UK adult weighs approximately 77–85 kg (170–187 lbs). At 77 pounds (34.9 kg), this is significantly below average, indicating an underweight status for the majority of adults. Your GP can advise on healthy weight targets for you personally.
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.