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
64 Kg in Stones — What's a Healthy Weight?
64 kilograms converts to 10 stone and 1 pound in UK measurements. Whether this weight is healthy entirely depends on your height — the same weight can be perfectly healthy for one person and overweight for another. Our free BMI calculator above can tell you instantly whether 64 kg is in the healthy range for your specific height. The NHS uses BMI (body mass index) as the primary screening tool to assess whether a weight falls within a healthy range. Read on to find out where your weight sits and what it means for your health.
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.
Healthy Weight Ranges at Different Heights
At 64 kg, your weight can fall into different BMI categories depending on how tall you are. Here are three realistic examples showing how height changes everything:
- At 5ft 2in (157 cm): 64 kg gives a BMI of 26.0 — this is overweight (NHS range 25–29.9)
- At 5ft 6in (168 cm): 64 kg gives a BMI of 22.7 — this is healthy weight (NHS range 18.5–24.9)
- At 5ft 10in (178 cm): 64 kg gives a BMI of 20.5 — this is healthy weight
To find your personal healthy weight range, use the weight converter and BMI calculator on this page to enter your exact height. For most adults, the NHS healthy weight range sits between a BMI of 18.5 and 24.9. If you're of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower thresholds (18.5–22.9), as these groups face higher health risks at the same BMI. Remember that BMI is a screening tool — it doesn't account for muscle mass, so athletes may have a higher BMI despite low body fat.
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.
What to Do If You're Outside the Healthy Range
If your BMI at 64 kg is outside the healthy range, the good news is that even small changes can make a real difference. The NHS recommends losing weight at a sustainable rate of 0.5–1 kg per week through a combination of dietary changes and increased physical activity. Waist measurement is also important — men should aim for under 94 cm (37 inches) and women under 80 cm (31.5 inches). If you're concerned about your weight or health, speak to your GP, who can offer personalised advice and support. Our free progress tracker can help you log changes over time if you decide to make adjustments. Remember, weight is influenced by many factors including genetics, medications, and overall health — focus on how you feel rather than any single number.
- 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 64 kg in stone and pounds?
64 kilograms equals 10 stone and 1 pound (10st 1lb). To convert kilograms to stone, divide the kg figure by 6.35029. This converts metric weight to the traditional UK imperial measurement used on UK scales and clothing labels.
Is 64 kg a healthy weight?
It depends on your height. At 5ft 6in, 64 kg is healthy. At 5ft 2in, it's overweight. Use the BMI calculator above with your height to find out instantly. The NHS healthy BMI range is 18.5–24.9 for most adults.
What's my healthy weight range at my height?
Your healthy weight range depends on your height and BMI. For example, at 5ft 6in the healthy range is roughly 50–68 kg (7st 12lb to 10st 9lb). Use our free BMI calculator above to calculate your personal healthy range based on your exact height.
How do I lose weight if I'm above the healthy range?
The NHS recommends losing 0.5–1 kg per week through a calorie deficit and increased physical activity. Speak to your GP for personalised support. Our progress tracker can help you monitor changes over time if you decide to make adjustments.
Does BMI tell the whole story about weight and health?
BMI is a useful screening tool but has limitations — it doesn't distinguish between muscle and fat, so athletes may have a higher BMI despite good health. Waist circumference also matters. Your GP can assess your overall health picture, not just BMI alone.
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.