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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 118 kg in lbs?

118 kilograms is equal to approximately 260.1 pounds. To convert kilograms to pounds, multiply the kilogram value by 2.20462. At 118 kg, your weight falls into the obese category according to NHS guidelines, though your specific health context depends on your height, age, and overall fitness. Understanding your weight in both metric and imperial units helps you track progress and makes it easier to compare health information across different sources. Use our free weight converter above to switch between kg, stone, and lbs instantly.

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.

118 Kg To Lbs Conversion Formula & Reference Table

118 kg = 260.1 lbs (pounds)

The conversion formula is simple: kilograms × 2.20462 = pounds. So 118 kg × 2.20462 = 260.1 lbs. In stones and pounds, 118 kg is also equivalent to 18 stone 4.1 lbs. This metric to imperial weight conversion is useful when reading health guidance from different countries or comparing your weight across measurement systems.

Here are nearby kilogram to pounds values for quick reference:

  • 113 kg = 249.1 lbs
  • 115 kg = 253.5 lbs
  • 117 kg = 257.8 lbs
  • 118 kg = 260.1 lbs
  • 119 kg = 262.3 lbs
  • 121 kg = 266.8 lbs
  • 123 kg = 271.1 lbs
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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 & Healthy Weight Context At 118 Kg

At 118 kg, your BMI depends on your height. For an average UK woman (161.6 cm / 5ft 3in), 118 kg gives a BMI of approximately 45.5 — classified as severely obese. For an average UK man (175.3 cm / 5ft 9in), the same weight produces a BMI of around 38.4 — Class II obese. The NHS recommends a healthy BMI of 18.5 to 24.9. Even a modest weight loss of 5–10% (6–12 kg at your current weight) can significantly improve blood sugar control, blood pressure, and overall health outcomes. Use our free BMI calculator above to find your personal BMI and healthy weight range for your specific height.

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.

Is 118 kg overweight or obese according to NHS guidelines?

At 118 kg, your category depends on your height. Most adults at this weight fall into the obese or severely obese range (BMI 30+). Your GP can assess your personal health risk based on your height, age, fitness level, and any weight-related conditions. Use our BMI calculator to check where you sit against NHS healthy weight thresholds.

What is 118 kg in stone and pounds?

118 kg equals 18 stone 4.1 pounds (often written as 18st 4lbs). To convert kilograms to stones and pounds: divide kg by 6.35029 to get stone, then multiply the decimal remainder by 14 to get pounds. This is the traditional UK measurement system for body weight.

What is the healthy weight range for someone 118 kg?

A healthy weight range depends on your height. At 5ft 9in (average UK man height), a healthy BMI range of 18.5–24.9 equals roughly 65–82 kg. At 5ft 3in (average UK woman height), the healthy range is approximately 49–65 kg. At 118 kg, weight loss would move you toward these health-protective ranges and reduce risk of type 2 diabetes, heart disease, and other weight-related conditions.

How can I track weight loss from 118 kg?

Keep a consistent record of your weight over time. The NHS recommends losing no more than 0.5–1 kg per week for sustainable results. Use our free progress tracker to log your weight journey and monitor your weekly changes. Combine weight tracking with measurements and how your clothes fit for a fuller picture of health progress.

What weight loss methods are evidence-based?

Sustainable weight loss combines a calorie deficit (approximately 500 kcal/day for 0.5 kg/week loss), increased physical activity, and behaviour change. Some people benefit from prescription weight loss medications (like GLP-1 injections) alongside lifestyle changes. Your GP or a registered dietitian can recommend an approach suited to your health needs. Try our GLP-1 weight loss calculator to explore potential outcomes with medical support.

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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