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
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14.9 Stone in Kg — Is This a Healthy Weight for You?
14.9 stone is equivalent to 94.7 kg. Whether this is a healthy weight depends entirely on your height. For some adults, 94.7 kg falls comfortably within a healthy range — for others, it may indicate excess weight. The NHS uses BMI (body mass index) as a screening tool to assess whether a weight is healthy for a particular height. Use our free BMI calculator above to check your personal BMI instantly, or read on to see where your weight sits against NHS guidelines for different heights.
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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.
Healthy Weight Ranges at Different Heights
At 94.7 kg, whether your weight is healthy depends on your height. Here are three concrete examples:
- If you are 1.78m (5ft 10in) tall: 94.7 kg gives a BMI of 29.9 — at the upper edge of overweight. A healthy weight range for this height is 59–78 kg (9st 4lbs to 12st 4lbs).
- If you are 1.88m (6ft 2in) tall: 94.7 kg gives a BMI of 26.8 — solidly in the healthy weight range. A healthy weight range for this height is 65–87 kg (10st 3lbs to 13st 9lbs).
- If you are 1.65m (5ft 5in) tall: 94.7 kg gives a BMI of 34.8 — in the obese category. A healthy weight range for this height is 50–67 kg (7st 12lbs to 10st 7lbs).
Use our weight converter to switch between kg, stone, and pounds, or calculate your BMI using the free tool on this page to see exactly where you sit.
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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 Guidance and What to Do If You're Outside the Healthy Range
The NHS defines a healthy BMI as 18.5 to 24.9 for most adults. If your BMI at 94.7 kg puts you above 25, it's also worth checking your waist circumference: men should aim for under 94 cm (37 inches), women under 80 cm (31.5 inches). If you're concerned about your weight or your health, speak to your GP — they can give you personalised advice based on your medical history and health goals. Even losing 5–10% of body weight can improve blood pressure, blood sugar, and cholesterol levels. There is no judgment in seeking support; your GP can discuss sustainable approaches including lifestyle changes, and if appropriate, refer you to NHS weight management services.
- 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 14.9 stone in kg exactly?
14.9 stone is equivalent to 94.7 kg. To convert stone to kilograms, multiply the stone value by 6.35029 — this is the precise conversion factor used across NHS health measurements and UK medical contexts.
Is 94.7 kg a healthy weight?
It depends on your height. At 94.7 kg, a person who is 1.88m (6ft 2in) tall would have a healthy BMI, but someone 1.65m (5ft 5in) tall would be in the obese category. Use the BMI calculator on this page to check your personal BMI.
What is the healthy weight range for someone 1.78m tall?
For someone 1.78m (5ft 10in) tall, a healthy weight range is approximately 59–78 kg (9st 4lbs to 12st 4lbs), which corresponds to a BMI of 18.5 to 24.9 according to NHS guidelines.
Does BMI tell me everything about whether my weight is healthy?
No. BMI doesn't account for muscle mass versus fat, or where fat is stored. Waist measurement is also important — the NHS recommends men keep waist circumference under 94 cm and women under 80 cm, regardless of BMI, as central fat carries greater health risk.
What should I do if my weight is outside the healthy range?
Speak to your GP. They can assess your individual situation and discuss sustainable options — including lifestyle changes, diet and exercise support, or referral to NHS specialist weight management services if appropriate. Even modest weight loss of 5–10% improves health markers significantly.
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.