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 63 Kg In Stone And Pounds?
63 kilograms converts to 9 stone and 13.2 pounds (or 9st 13.2lbs) using the standard kilogram to stone conversion. However, whether this weight is healthy for you depends entirely on your height. The same weight can give a very different BMI at different heights, which is why the NHS uses both weight and height together to assess health. Use our free BMI calculator above to find your personal BMI instantly, then check where you fall on the NHS health categories below.
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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.
What BMI Does 63 Kg Give At Different Heights?
At 63 kg, your BMI depends on how tall you are. Here are the BMI values for this weight at six common adult heights:
- 160 cm (5ft 3in): BMI 24.6 — healthy weight
- 165 cm (5ft 5in): BMI 23.1 — healthy weight
- 170 cm (5ft 7in): BMI 21.9 — healthy weight
- 175 cm (5ft 9in): BMI 20.6 — healthy weight
- 180 cm (5ft 11in): BMI 19.4 — healthy weight
- 185 cm (6ft 1in): BMI 18.4 — healthy weight
At 63 kg, most adults across a typical height range fall within the NHS healthy weight category (BMI 18.5–24.9). If you're at the shorter end of the height spectrum, you may be approaching the upper boundary of healthy weight. Use the weight converter on this page to double-check the conversion between kilos in stone, then calculate your exact personal BMI.
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
The NHS uses BMI as a screening tool to assess whether someone's weight falls into a healthy range. A healthy BMI is between 18.5 and 24.9. However, BMI has important limitations: it doesn't distinguish between muscle and fat, so athletes or very muscular people may have a high BMI despite low body fat percentage. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds because these groups face higher health risks at the same BMI. Waist measurement is also important — excess fat around the stomach increases health risk more than fat stored elsewhere. Your GP can provide personalised guidance about what your BMI means for your individual 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.
How do I convert 63 kg to stone and pounds?
63 kg equals 9 stone and 13.2 pounds (9st 13.2lbs). To convert kilograms to stone, divide by 6.35029. For pounds, multiply kilograms by 2.20462. You can use the weight converter on this page to convert between kg, stone, and pounds instantly.
Is 63 kg a healthy weight?
At 63 kg, whether your weight is healthy depends on your height. Most adults at this weight fall within the NHS healthy BMI range (18.5–24.9). Use our free BMI calculator above to check your personal BMI based on your actual height, then see where you fall on the NHS categories.
What is the healthy weight range according to the NHS?
The NHS healthy weight range varies by height. Generally, for an adult of average height (around 170 cm), healthy weight is approximately 52–74 kg (8st 2lbs to 11st 8lbs). Your exact healthy range depends on your height. The BMI calculator on this page shows your personal healthy weight range.
Does BMI tell me everything about my health?
No. BMI is a useful screening tool but doesn't account for muscle mass, where fat is stored, or individual health factors. Waist circumference (NHS recommends under 94 cm for men, under 80 cm for women) is also important. Your GP can assess your overall health in context.
Are the BMI categories different for different ethnicities?
Yes. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds (healthy range 18.5–22.9, overweight 23.0–27.4) because these groups have higher health risks at the same BMI levels as other populations.
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.