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 Kg to Lbs — UK Weight Conversion Guide
Converting kilograms to pounds is straightforward using the standard conversion factor: 1 kg equals 2.20462 lbs. In the UK, we typically use stone and pounds for body weight, but pounds and kilograms are both important for understanding weight in different contexts. This guide shows you how to convert between kg and lbs accurately, with practical examples and a comprehensive reference table covering typical adult weights. Use our free weight converter above to convert any weight instantly between metric and imperial measurements.
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.
Kg to Lbs Conversion Table — Adult Weight Range
Here's a complete kg to lbs conversion table covering the typical adult weight range in the UK. Each kilogram converts to 2.20462 pounds, so to convert any weight, simply multiply the kg amount by this factor.
- 40 kg = 88.2 lbs
- 50 kg = 110.2 lbs
- 60 kg = 132.3 lbs
- 70 kg = 154.3 lbs
- 80 kg = 176.4 lbs
- 90 kg = 198.4 lbs
- 100 kg = 220.5 lbs
- 110 kg = 242.5 lbs
- 120 kg = 264.6 lbs
- 130 kg = 286.6 lbs
- 140 kg = 308.6 lbs
- 150 kg = 330.7 lbs
For precise conversions outside this range, use the weight converter tool on this page or multiply your weight in kg by 2.20462 to get pounds.
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.
UK Weight Units — When to Use Kg vs Stone vs Lbs
In the UK, we use three weight measurement systems depending on context. Kilograms (kg) are used in clinical settings, NHS health records, and by healthcare professionals. Stone and pounds are culturally preferred by most UK adults for personal body weight — for example, people typically say "I weigh 11 stone" rather than "I weigh 70 kg". Pounds (lbs) appear less frequently for UK body weight but are common in American contexts and when referencing ingredients or international products.
The NHS BMI calculator accepts both kg and stone measurements, and our free BMI calculator on this page works with all three units to give you relevant health context for your 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 the exact conversion factor from kg to lbs?
The exact conversion is 1 kg = 2.20462 pounds. To convert any weight in kg to lbs, multiply the kg amount by 2.20462. For example, 75 kg × 2.20462 = 165.3 lbs. Most calculators round this to 2.2 for simplicity.
How do I convert kg to stone and pounds instead of just lbs?
Use this method: first convert kg to total pounds (multiply by 2.20462), then divide by 14 to get stone. The remainder is pounds. For example, 70 kg = 154.3 lbs ÷ 14 = 11 stone exactly. Our weight converter tool handles this automatically.
Why does the UK use both kg and stone for weight?
The NHS uses kilograms for clinical measurements and medical records because it's the international standard. However, UK adults culturally prefer stone and pounds for personal body weight conversations. This dual system can cause confusion, which is why understanding all three units is helpful.
Is 70 kg overweight according to NHS guidelines?
Whether 70 kg is overweight depends on your height. Use our free BMI calculator above to check your personal BMI. If you're 1.73m (5ft 8in), 70 kg gives a BMI of 23.4, which is a healthy weight. Your GP can give you personalised guidance on what your weight means for your individual health.
What's the difference between lbs and stone?
One stone equals exactly 14 pounds. Stone is the larger unit used in the UK for body weight, while pounds are more granular. For example, someone might weigh "11 stone 4 pounds" (158 lbs total), or simply say "11.3 stone". Pounds are also used in American weight measurement.
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.