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Used by Mounjaro & Wegovy patients across the UK

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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GLP-1 Medication Guide — 11 chapters, 100+ pages, NHS-aligned with free 52-week weight loss tracker calendar
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What is 11.2 lbs in kilograms?

11.2 pounds is equal to approximately 5.08 kilograms. This conversion uses the standard imperial to metric weight conversion: divide pounds by 2.20462 to get kilograms. Whether you're checking nutrition information, monitoring a baby's weight, or understanding health metrics, it's helpful to know both imperial and metric measurements. Use our free weight converter above to switch between kg, stone, and lbs instantly for any value.

10,000+ calculations today · NHS-aligned thresholds · 100% free

26%of UK adults are living with obesityNHS Digital, 2023
64%of adults in England are overweight or obeseHealth Survey for England
£6.5bnannual cost of obesity to the NHSPublic Health England
4.7Mpeople in England eligible for weight loss drugsNICE estimates, 2024

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.

Below 18.5Underweight
18.5 – 24.9Healthy
25 – 29.9Overweight
30+Obese

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.

11.2 lbs to kg conversion formula and nearby values

To convert 11.2 pounds to kilograms, use this straightforward formula: divide pounds by 2.20462. This gives you 5.08 kg. The reverse conversion (kg to stone or other metric to imperial weight measurements) follows the same principle in reverse—multiply kilograms by 2.20462 to get pounds.

Conversion table:

  • 9 lbs = 4.08 kg
  • 10 lbs = 4.54 kg
  • 11 lbs = 4.99 kg
  • 11.2 lbs = 5.08 kg
  • 12 lbs = 5.44 kg
  • 13 lbs = 5.90 kg
  • 14 lbs = 6.35 kg

At typical UK adult heights, a weight of 5.08 kg falls well below healthy adult weight ranges—this is typical for newborns or very young infants. If you're tracking adult weight, you may be working with a larger value. Our free weight converter handles any conversion instantly.

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How It Works

Three simple steps to understand your weight and take action.

1Check Your BMI

Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.

2Explore Your Options

If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.

3Track Your Progress

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.

Healthy weight context at 5.08 kg

A weight of 5.08 kg (11.2 lbs) is appropriate for a healthy newborn or very young infant. For UK adults, healthy weight ranges are much higher and depend on height. For example, at 1.70m (5ft 7in), a healthy weight range is approximately 53–72 kg according to NHS guidelines.

If you're monitoring your own weight or a child's weight, use our free BMI calculator to check whether your weight falls in a healthy range for your height. For infants and children, weight is assessed against growth charts rather than adult BMI categories, and your health visitor will monitor this during routine check-ups.

Mounjaro (Tirzepatide)
  • 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
Read our full Mounjaro guide →
Wegovy (Semaglutide)
  • 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
Read our full Wegovy guide →

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.

FeatureMounjaroWegovy
Drug classDual GIP/GLP-1 agonistGLP-1 agonist
Active ingredientTirzepatideSemaglutide
Avg. weight loss15–22.5%12–17%
Key trialSURMOUNT-1 (2022)STEP 1 (2021)
Max dose15 mg weekly2.4 mg weekly
Escalation period20–32 weeks16–20 weeks
AdministrationWeekly injection (pen)Weekly injection (pen)
NHS availabilityPrivate prescription onlyNHS & private
Approx. private cost£150–£250/month£150–£300/month
Common side effectsNausea, diarrhoea, constipationNausea, 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.

Standard eligibility
  • BMI of 30 or above (obese)
  • Age 18 or over
  • No contraindicated conditions
  • Committed to lifestyle changes
With comorbidities
  • 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.

Why would someone need to convert 11.2 lbs to kg?

Common reasons include checking newborn weight (11.2 lbs is a typical healthy birth weight), understanding nutrition labels on imported foods, or converting medical measurements. Healthcare professionals in the UK often use kg for clinical records, so conversions between imperial and metric are frequently needed.

Is 5.08 kg a healthy weight for an adult?

No—5.08 kg is far too low for any adult. This weight is typical for a healthy newborn. Adult healthy weight ranges depend on height; use our BMI calculator to find your personal healthy weight range based on NHS guidelines.

What's the exact conversion formula for lbs to kg?

Divide pounds by 2.20462 to get kilograms. So 11.2 ÷ 2.20462 = 5.08 kg. To convert back, multiply kilograms by 2.20462 to get pounds. Our weight converter performs this calculation instantly for any value.

How does 5.08 kg compare to stone?

5.08 kg is approximately 0.8 stone (or just under 11 lbs). To convert kilograms to stone, divide by 6.35029. This helps when comparing metric measurements to traditional UK imperial measurements used on bathroom scales.

Should I use kg or lbs to track my own weight?

Either works—use whichever feels most familiar. NHS guidelines use kg for official health records, while many UK people still prefer stone and pounds. Consistency is what matters most. Track your weight regularly using our free progress tracker to monitor trends over time.

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.

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