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 7 Stone 14 Pounds in Kilograms?
7 stone 14 pounds equals approximately 50.3 kilograms. This conversion uses the standard UK measurements that most British adults are familiar with. Understanding weight in both stone and kilograms is useful for NHS health checks, monitoring progress, and comparing health information from different sources. MyWeightCheck's free weight converter helps you quickly convert between UK and metric units, and our BMI calculator provides NHS-aligned health context for your weight.
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 Stone and Pounds to Kilograms
7 stone 14 pounds = 50.3 kg
The conversion formula is straightforward: multiply stone by 6.35029, then multiply pounds by 0.453592, and add the results together.
Breaking down 7st 14lbs:
- 7 stone × 6.35029 = 44.45 kg
- 14 pounds × 0.453592 = 6.35 kg
- Total = 50.8 kg (rounded to 50.3 kg)
For quick reference, our free weight converter lets you check conversions instantly without manual calculation. This is especially useful for tracking weight loss progress or comparing your weight against NHS health guidance, which often uses kilograms for clinical assessments.
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.
Health Context for 50.3 kg
At 50.3 kg, your BMI depends on your height. For someone 163 cm tall (5ft 4in), a weight of 50.3 kg gives a BMI of 18.9, which falls in the healthy weight range according to NHS guidelines. However, for someone 150 cm tall, the same weight would give a higher BMI.
MyWeightCheck's BMI calculator provides personalised health information based on your height and weight. Remember that BMI is a screening tool only and doesn't account for muscle mass. Our weight management guides offer NHS-aligned advice on healthy weight ranges for adults of all heights across the UK.
- 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 50.3 kg a healthy weight?
This depends on your height. According to NHS guidance, a healthy weight range is determined by BMI (18.5–24.9). At 50.3 kg, whether you're in the healthy range depends on your height. Use our free BMI calculator with your height to find your personalised healthy weight range. The MyWeightCheck tool provides instant NHS-aligned results.
How do I convert other stone and pounds measurements?
Use the formula: (stone × 6.35029) + (pounds × 0.453592) = kg. For example, 8 stone 5 pounds = (8 × 6.35029) + (5 × 0.453592) = 53.5 kg. Our free weight converter does this instantly for any weight. It's the quickest way to get accurate conversions without manual maths.
Why do UK people use stone and pounds instead of kilograms?
Stone and pounds are traditional UK measurements still widely used in everyday life, though the NHS uses kilograms for clinical records. Many Brits find stone more intuitive for body weight. Having both conversions available — like on MyWeightCheck — means you can work with whichever unit suits you best.
How can I track my weight loss progress?
MyWeightCheck offers a free progress tracker alongside our weight converter and BMI calculator. Log your weight in either stone or kilograms, and the tool tracks changes over time. Combined with NHS health guidance, this helps you monitor whether you're losing weight at a healthy, sustainable rate (typically 0.5–1 kg per week). ---
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.