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?
122kg is equal to 19 stone and 3 pounds (19st 3lbs). This conversion uses the standard metric to imperial weight formula widely used across the UK. To convert kilograms to stone, divide the weight in kg by 6.35029. At this weight, most UK adults fall into the overweight or obese category depending on their height. Use our free weight converter above to switch between kg, stone, and lbs instantly, or check your personal BMI using our free BMI calculator to understand what this weight means for your individual health.
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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.
122kg in Stone — Conversion Formula and Nearby Values
Quick conversion: 122kg ÷ 6.35029 = 19.21 stones = 19 stone 3 lbs
To convert kilograms to stone manually, use this simple formula: divide the weight in kg by 6.35029. For 122kg, this gives 19.21 stones, which breaks down to 19 complete stones plus 0.21 of a stone. Since one stone equals 14 pounds, 0.21 × 14 = 3 pounds.
Nearby conversion values (for reference):
- 117kg = 18st 5lbs
- 119kg = 18st 11lbs
- 121kg = 19st 0.5lbs
- 122kg = 19st 3lbs
- 123kg = 19st 5lbs
- 124kg = 19st 8lbs
- 125kg = 19st 10lbs
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.
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.
BMI Context — What Does 122kg Mean for Your Health?
At 122kg, your BMI depends on your height. For example, an adult who is 173cm (5ft 8in) tall with a weight of 122kg would have a BMI of approximately 40.8 — classified as severely obese according to NHS guidelines. However, at 183cm (6ft 0in), the same weight gives a BMI of around 36.4, still in the obese category. A BMI of 30 or above indicates obesity and increased health risks including type 2 diabetes, cardiovascular disease, and sleep apnoea. Use our BMI calculator to find your personal BMI and healthy weight range for your specific height. Even a modest reduction of 5–10% body weight (approximately 6–12kg) can have meaningful benefits for your health.
- 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.
Is 122kg overweight or obese?
Whether 122kg is overweight or obese depends on your height. At most adult heights, 122kg falls into the obese category (BMI 30+). Use our free BMI calculator to check your personal BMI. If your BMI is above 30, your GP can discuss lifestyle changes or treatment options with you.
What is the formula to convert kg to stone?
Divide the weight in kilograms by 6.35029 to get the result in stones. For 122kg: 122 ÷ 6.35029 = 19.21 stones. To convert the decimal to pounds, multiply by 14 (since one stone = 14 pounds). This works for any weight in kg.
How many pounds is 122kg?
122kg equals approximately 268.9 pounds (or 19 stone 3 pounds). Use the standard conversion: 1kg = 2.20462 lbs. So 122 × 2.20462 = 268.9 lbs. Both expressions (268.9 lbs or 19st 3lbs) are correct — UK adults typically use stone and pounds.
What's a healthy weight if I'm 122kg now?
Your healthy weight depends on your height and ethnicity. Most UK adults should aim for a BMI between 18.5 and 24.9. For example, at 175cm, healthy weight is roughly 55–76kg. At 183cm, it's 62–84kg. Your GP can advise on realistic, sustainable weight loss targets for your individual circumstances.
Can I lose weight safely from 122kg?
Yes. The NHS recommends losing 0.5–1kg per week through a combination of reduced-calorie diet and increased physical activity. At 122kg, even a 5–10% reduction (6–12kg) brings significant health benefits. Track your progress using our free progress tracker and consult your GP for personalised guidance.
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.