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
What is 120 Pounds in UK Measurements?
120 pounds is equivalent to 8 stone 8 pounds or approximately 54.4 kg. In the UK, most adults measure body weight in stone and pounds rather than kilograms or pounds alone, making conversions helpful for understanding health guidance. Whether you're checking your weight against NHS health thresholds or simply converting between measurement systems, knowing how 120 pounds fits into UK health context is useful information for your overall wellness planning.
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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.
120 Pounds in Stone and Kilograms
120 pounds = 8 stone 8 pounds (8st 8lbs) = 54.4 kg
To break this down: one stone equals exactly 14 pounds, so 120 pounds divided by 14 gives 8 stone with 8 pounds remaining. In kilograms, 120 pounds multiplied by 0.453592 equals 54.4 kg. This weight sits in different categories depending on your height and individual health factors. Use our free weight converter above to instantly switch between pounds, stone, and kilograms for any weight value. For context, according to recent NHS health statistics, the average UK adult woman weighs approximately 71.6 kg (11st 3lbs), while the average UK adult man weighs around 85.7 kg (13st 7lbs). At 120 pounds, your weight may fall within a healthy range or require further assessment depending on your height and other health considerations.
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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.
Is 120 Pounds a Healthy Weight for You?
Whether 120 pounds is healthy depends entirely on your height, age, sex, and overall health profile. The most reliable measure is BMI (Body Mass Index), which the NHS uses to assess whether a weight is healthy for a given height. For example, at 5 feet 6 inches (167.6 cm), a weight of 120 pounds gives a BMI of approximately 19.4, which falls within the healthy weight range of 18.5 to 24.9. However, at 5 feet 2 inches (157.5 cm), the same weight would give a BMI of around 22, still healthy but at the higher end. Our free BMI calculator on this page lets you enter your exact height and weight to see where you fall on the NHS health scale. If you're concerned about whether your weight is appropriate for your health, your GP can provide personalised guidance based on your individual circumstances.
- 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.
How do I convert 120 pounds to stone?
Divide 120 by 14 (the number of pounds in one stone). This equals 8 stone with 8 pounds remaining, written as 8st 8lbs. You can also use our weight converter tool above for instant conversions between pounds, stone, and kilograms.
What is 120 pounds in kilograms?
120 pounds equals approximately 54.4 kg. The standard conversion is 1 pound = 0.453592 kg, so 120 × 0.453592 = 54.4 kg. This is useful for comparing your weight against NHS clinical guidance, which often references kilogram thresholds.
Is 120 pounds considered overweight in the UK?
This depends on your height. BMI is the NHS standard for assessing whether a weight is healthy. At 5ft 6in, 120 pounds is healthy (BMI 19.4). At 5ft 2in, it's still healthy (BMI 22). Use the free BMI calculator on this page to check your personal BMI based on your exact height.
What health guidance should I follow at 120 pounds?
The NHS recommends that all adults, regardless of weight, aim for at least 150 minutes of moderate physical activity per week, eat a balanced diet rich in fruits and vegetables, and attend regular health check-ups with their GP. Your GP can give personalised health guidance based on your individual health profile.
How does 120 pounds compare to average UK weights?
The average UK adult woman weighs approximately 71.6 kg (11st 3lbs or 158 pounds), and the average UK adult man weighs around 85.7 kg (13st 7lbs or 189 pounds). At 120 pounds, you weigh considerably less than these averages. However, average weight and healthy weight are different — your healthy weight depends on your height and health status, not on averages.
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.