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 122 Kg In Stone? BMI Guide for UK Adults
122 kilograms equals 19 stone and 3 pounds in UK measurements. However, your BMI—the main health indicator for this weight—depends on your height. At different heights, 122kg produces very different BMI results, ranging from underweight to obese categories according to NHS guidelines. Use our free BMI calculator above to find your personal BMI instantly, or explore the examples below to see where you stand.
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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.
122 Kg BMI At Different Heights
At 122 kg, your BMI varies significantly depending on your height. Here are common examples:
- 5ft 4in (163 cm): BMI of 33.6 — Obese (Class I)
- 5ft 6in (168 cm): BMI of 31.2 — Obese (Class I)
- 5ft 8in (173 cm): BMI of 29.4 — Overweight
- 5ft 10in (178 cm): BMI of 27.5 — Overweight
- 6ft 0in (183 cm): BMI of 25.8 — Healthy weight
- 6ft 2in (188 cm): BMI of 24.4 — Healthy weight
These categories follow NHS guidelines. The same weight produces very different health implications at different heights—shorter adults typically have a higher BMI at this weight, whilst taller adults may fall into the healthy range. Use the free weight converter on this page to see 122kg in stone and pounds format.
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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.
NHS BMI Categories & Health Context
The NHS categorises BMI as follows: underweight (below 18.5), healthy weight (18.5–24.9), overweight (25.0–29.9), obese class I (30.0–34.9), obese class II (35.0–39.9), and severely obese (40.0+). At 122kg, whether you fall into overweight or obese categories depends entirely on height. BMI has limitations—it doesn't account for muscle mass, bone density, or where fat is stored. A muscular person may have a high BMI with low body fat. Your GP can provide personalised health advice based on your individual circumstances, not BMI alone.
- 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 122 kg in stone and pounds?
122 kg equals 19 stone and 3 pounds (19st 3lbs). To convert kilograms to stone, divide by 6.35. You can use our free weight converter above to switch between kg, stone, and pounds instantly for any weight.
Is 122 kg overweight or obese?
At 122 kg, your category depends on height. At 5ft 8in you're overweight (BMI 29.4). At 5ft 6in you're obese (BMI 31.2). At 6ft 0in you're in the healthy range (BMI 25.8). Use our free BMI calculator to find your personal BMI.
What's the healthy weight range for someone who weighs 122 kg?
Healthy weight depends on height. At 5ft 8in, healthy weight is 55–74 kg. At 5ft 10in, it's 58–79 kg. At 6ft 0in, it's 61–83 kg. Consult your GP for personalised health goals based on your individual circumstances.
Why does BMI matter if I weigh 122 kg?
BMI is a screening tool that helps identify health risks associated with excess weight. At 122 kg, knowing your BMI helps you understand whether your weight poses cardiovascular, metabolic, or joint health concerns according to NHS guidelines. However, BMI has limitations and doesn't account for muscle mass.
Should I lose weight if I'm 122 kg?
This depends on your height, age, health conditions, and overall fitness. If your BMI falls into overweight or obese categories, your GP may recommend weight management for health. Even a 5–clinically studied weight loss can improve blood pressure and blood sugar control. Speak to your GP for personalised advice.
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.