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 107 Kg In Stone And What Does Your BMI Mean?
107 kilograms is equivalent to 16 stone and 12 pounds (or 16st 12lbs) in UK measurements. However, your BMI — and whether this weight falls into a healthy range — depends entirely on your height. Using our free BMI calculator above, you can instantly discover your personal BMI at this weight. We've also provided BMI examples at different heights below to help you understand what your result might mean according to NHS guidelines.
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.
107 Kg BMI At Different Heights
To convert 107kg to stone, divide by 6.35. This gives you 16st 12lbs. Your BMI at this weight varies significantly depending on how tall you are. Here are examples of what a BMI result might look like at different heights:
- 160 cm (5ft 3in): BMI approximately 41.8 — severely obese (Class III)
- 165 cm (5ft 5in): BMI approximately 39.4 — obese (Class II)
- 170 cm (5ft 7in): BMI approximately 37.0 — obese (Class II)
- 175 cm (5ft 9in): BMI approximately 34.9 — obese (Class I)
- 180 cm (5ft 11in): BMI approximately 33.0 — obese (Class I)
- 185 cm (6ft 1in): BMI approximately 31.3 — obese (Class I)
These are estimates using standard BMI calculations. For your exact BMI, use the calculator on this page by entering your actual height.
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.
Understanding NHS BMI Categories And Limitations
According to NHS guidelines, a healthy BMI sits between 18.5 and 24.9. At 107kg, most adults would fall into the obese range. However, BMI has important limitations — it does not account for muscle mass, bone density, or where fat is stored on your body. Someone who is very muscular might have a high BMI but low body fat percentage. Your waist measurement and overall health profile matter too. Your GP can give you personalised guidance about what your weight means for your individual health. If you're interested in weight management options, discuss this with your healthcare provider.
- 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 107 kg in stone and pounds?
107 kilograms converts to 16 stone and 12 pounds (16st 12lbs). To convert kilograms to stone, divide the kg value by 6.35. Use our weight converter above to switch between kg, stone, and pounds instantly.
Is 107 kg overweight or obese?
Whether 107 kg is overweight or obese depends on your height. At most adult heights, 107 kg falls into the obese category according to NHS guidelines. Use our free BMI calculator above to find your exact BMI — it will tell you which NHS category applies to you.
What height would give a healthy BMI at 107 kg?
A BMI of 107 kg would fall into the obese range at virtually all standard adult heights. To reach a healthy BMI, weight loss would typically be needed. Your GP can advise on safe, sustainable weight loss approaches tailored to your health.
How much weight loss from 107 kg to reach a healthy BMI?
The amount of weight loss needed depends on your height and target BMI range. For example, at 175 cm, reaching a healthy BMI (18.5–24.9) would require losing approximately 15–25 kg. Speak with your GP for personalised guidance on healthy, sustainable weight loss.
Can I check my BMI easily?
Yes — use our free BMI calculator at the top of this page. Simply enter your height and weight, and it will instantly show your BMI and NHS category. You can also try our GLP-1 weight loss calculator if you're exploring weight management options.
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.