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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
Get the guide + free tracker — £1.99 →

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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 107 lbs in kilograms?

107 pounds is equal to 48.54 kilograms. This conversion uses the standard imperial to metric formula where 1 pound equals 0.453592 kg. If you need to convert between different weight units — whether from kilograms to stone or stone to kg — our free weight converter above can help you switch between metric and imperial measurements instantly. Understanding your weight in both metric and imperial units is useful for health appointments, fitness tracking, and comparing your BMI against NHS guidelines.

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.

107 Lbs to Kg Conversion Table

107 lbs = 48.54 kg

To convert 107 pounds to kilograms, divide by 2.20462 (or multiply by 0.453592). This gives you 48.54 kg. Below is a conversion table showing 107 lbs alongside nearby weight values in both pounds and kilograms, helpful for reference when comparing your weight or understanding measurement ranges.

  • 102 lbs = 46.27 kg
  • 104 lbs = 47.17 kg
  • 105 lbs = 47.63 kg
  • 106 lbs = 48.08 kg
  • 107 lbs = 48.54 kg
  • 108 lbs = 49.00 kg
  • 109 lbs = 49.44 kg
  • 110 lbs = 49.90 kg
  • 112 lbs = 50.80 kg
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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.

BMI and Healthy Weight Context

At 48.54 kg (107 lbs), your BMI depends on your height. For example, at an average UK female height of 161.6 cm (5ft 3in), a weight of 48.54 kg gives a BMI of approximately 18.6, which falls within the healthy weight range of 18.5–24.9 according to NHS guidelines. Use our free BMI calculator above to check your personal BMI instantly by entering your weight and height. If your BMI falls outside the healthy range, speaking with your GP can help you understand what weight range is right for your individual health.

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.

How do I convert 107 pounds to kilograms by hand?

Divide 107 by 2.20462. This gives 48.54 kg. Alternatively, multiply 107 by 0.453592 to get the same result. Both methods work because they use the standard conversion factor between imperial and metric weight units.

Is 107 lbs considered a healthy weight in the UK?

That depends on your height. At average UK heights, 107 lbs may fall within the healthy BMI range (18.5–24.9) or slightly below. Use the BMI calculator on this page with your specific height to check your personal BMI and get a clearer picture of where your weight sits relative to NHS guidelines.

What is 107 lbs in stone and pounds?

107 lbs equals 7 stone 9 pounds (7st 9lbs). To calculate this, divide 107 by 14 (since 1 stone = 14 pounds), which gives 7 stone with 9 pounds remaining. Many UK adults find stone and pounds more intuitive for body weight tracking.

How do I convert kilograms to stone using the metric to imperial weight conversion?

Divide kilograms by 6.35029 to get stone. For example, 48.54 kg ÷ 6.35029 = 7.64 stone (approximately 7st 9lbs). Our weight converter above handles all metric to imperial conversions instantly if you prefer not to calculate manually.

What should I do if my weight is 107 lbs but I'm unsure if it's healthy for me?

Book an appointment with your GP, who can assess your weight in the context of your height, age, medical history, and overall health. They can advise whether your weight is healthy for you personally and suggest lifestyle changes or further support if needed.

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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