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 122kg in Stones and Pounds?
122kg is equal to 19 stone 3 pounds (or 19st 3lbs). This conversion uses the standard UK measurement where 1 stone equals exactly 14 pounds, and 1 kilogram equals 0.157473 stone. If you're tracking your weight in kilos but prefer to understand it in the traditional UK stone and pounds format, our free weight converter above makes this instant. At this weight, understanding how it translates to stone helps you compare against NHS health guidelines and track progress in measurements you're familiar with.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
How to Convert 122kg to Stone and Pounds
To convert kilograms to stone and pounds, use this straightforward formula: divide your weight in kg by 6.35029 to get stone, then multiply any decimal remainder by 14 to get additional pounds.
For 122kg specifically:
- 122 ÷ 6.35029 = 19.21 stone
- 0.21 × 14 = 3 pounds
- Result: 19 stone 3 pounds
You can also use our free weight converter tool on this page to instantly convert between kg, stone, and pounds. This is especially useful if you're monitoring your weight in metric units but need to communicate it in the traditional UK format to your GP or when comparing against health standards that use stone measurements.
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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.
122kg Weight Context and Healthy Range
At 122kg, your weight falls into the obese range according to NHS guidelines for most UK adults. However, your individual health depends on your height, age, muscle mass, and other factors — not weight alone.
Use our free BMI calculator above to check your personal BMI at 122kg with your specific height. The healthy weight range for UK adults is typically a BMI of 18.5–24.9. For reference, at an average UK male height of 5ft 9in (175cm), 122kg would give a BMI of approximately 40, which falls into the severely obese category. At an average UK female height of 5ft 4in (163cm), the BMI would be around 45. Your GP can discuss what healthy weight looks like for 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.
What is 122kg in stones and pounds?
122kg equals 19 stone 3 pounds (19st 3lbs). To convert, divide 122 by 6.35029 to get 19.21 stone, then multiply the decimal (0.21) by 14 to get 3 additional pounds. Our weight converter tool above can do this instantly for you.
Is 122kg a healthy weight?
Whether 122kg is healthy depends entirely on your height, age, and muscle composition. Use our free BMI calculator with your height to get a personalised assessment. For most UK adults, 122kg is in the obese category, but only your GP can advise what's right for your individual health.
What's the formula to convert kg to stone?
Divide kilograms by 6.35029 to get stone. For pounds, take the decimal part of the stone result and multiply by 14. Example: 122kg ÷ 6.35029 = 19.21 stone; 0.21 × 14 = 3 pounds. Our weight converter handles this automatically.
How does 122kg compare to other UK weights?
122kg sits between 120kg (18st 13lbs) and 125kg (19st 8lbs). At average UK heights, this weight generally falls into the obese range according to NHS guidelines, though your personal BMI depends on your specific height. Check your BMI using our free calculator.
What healthy weight should I aim for at my height?
A healthy weight range (BMI 18.5–24.9) varies by height. For example, at 5ft 9in you'd aim for roughly 59–79kg (9st 4lbs–12st 6lbs). Use our free BMI calculator to find the healthy weight range for your specific height, then speak with your GP about realistic, sustainable targets.
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.