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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 pounds in stone?

118 pounds is equal to 8 stone and 6 pounds (8st 6lbs). To convert pounds to stone, divide by 14 since there are exactly 14 pounds in one stone. This weight falls within the healthy to overweight range depending on your height. Using our free weight converter above, you can instantly switch between pounds, stone, and kilograms. Understanding your weight in both metric and imperial measurements helps you track health progress more effectively across different UK health resources and 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.

Conversion formula and nearby values

To convert 118 pounds to stone, simply divide by 14. The formula is straightforward: 118 lbs ÷ 14 = 8 stone 6 lbs. In kilogram terms, 118 pounds equals approximately 53.5 kg using the metric to imperial weight conversion (1 lb = 0.453592 kg). The table below shows how 118 pounds compares to nearby weights, making it easy to see conversions for stone and pounds or kilos in stone at a glance.

  • 110 lbs = 7st 12lbs (49.9 kg)
  • 112 lbs = 8st 0lbs (50.8 kg)
  • 115 lbs = 8st 3lbs (52.2 kg)
  • 118 lbs = 8st 6lbs (53.5 kg)
  • 120 lbs = 8st 8lbs (54.4 kg)
  • 125 lbs = 8st 13lbs (56.7 kg)
  • 130 lbs = 9st 4lbs (59.0 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 118 pounds

At 118 pounds, your BMI depends on your height. For example, if you are 5ft 4in (163cm), a weight of 118 lbs gives a BMI of approximately 20.3, which falls within the healthy weight range (18.5–24.9). If you are 5ft 2in (157cm), the BMI would be around 21.6, still healthy. However, at 5ft 0in (152cm), 118 lbs equates to a BMI of 23.1, still in the healthy bracket. Use our free BMI calculator on this page to find your personal BMI instantly. For South Asian, Chinese, Black African, or Black Caribbean adults, the NHS recommends slightly lower healthy thresholds (18.5–22.9), so individual context matters significantly.

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 118 pounds to stone and pounds?

Divide 118 by 14 (the number of pounds in one stone). This gives 8 stone and 6 pounds (8st 6lbs). You can also use our free weight converter on this page to convert instantly between pounds, stone, and kilograms for any weight value.

What is 118 pounds in kilograms?

118 pounds equals approximately 53.5 kg. The conversion formula is: pounds × 0.453592 = kilograms. To convert kilograms to stone, divide by 6.35029. Our weight converter handles all these conversions instantly.

Is 118 pounds a healthy weight?

Whether 118 pounds is healthy depends entirely on your height. Use the BMI calculator on this page to check your personal BMI. Generally, at average UK adult heights (5ft 2in to 5ft 6in), 118 lbs typically falls within the healthy weight range. Your GP can provide personalised guidance.

How does 118 pounds compare to average UK weight?

The average UK adult woman weighs around 71.6 kg (11st 3lbs or 158 lbs), and the average man weighs approximately 85.7 kg (13st 7lbs or 189 lbs). At 118 pounds (53.5 kg), you would be below the UK average, particularly below average male weight but potentially below average female weight depending on height.

Can I use stone and pounds interchangeably with kilograms?

Yes, stone, pounds, and kilograms are all valid weight measurements used in the UK. NHS clinical records typically use kg, but many UK adults prefer stone and pounds for personal use. Convert kilograms to stone by dividing by 6.35029, or use our free weight converter to switch between any metric to imperial weight measurement instantly.

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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