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
101 Kilograms in Stones and Pounds
101 kilograms converts to 15 stone and 12.8 pounds using the standard UK weight conversion. Whether you're tracking your weight for health reasons, comparing measurements, or checking how you fit within NHS healthy weight guidance, understanding your weight in familiar UK units is the first step. Use our free weight converter to switch between kg, stone, and pounds instantly, and explore what this weight means for your personal health context.
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.
What Does 101kg Mean for Your Health?
At 101kg, your health context depends on your height and age. Using the BMI (body mass index) system recommended by the NHS, a weight of 101kg places most adults into the overweight or obese category — though your individual BMI will vary based on how tall you are. For example, an adult who is 5ft 9in (175cm) tall would have a BMI of approximately 35.3, which falls into the obese range according to NHS guidelines. However, BMI is just one screening tool and doesn't account for muscle mass, bone density, or where fat is stored.
- Use our free BMI calculator above to calculate your personal BMI instantly based on your height
- NHS guidance suggests a healthy BMI is between 18.5 and 24.9
- Even a modest weight loss of 5–10% can improve blood pressure, blood sugar control, and joint health
If you're concerned about your weight or health, your GP can provide personalised guidance and discuss appropriate next steps.
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.
NHS Guidance and Weight Management Support in the UK
The NHS encourages adults to aim for a healthy weight range appropriate to their height. If you're currently at 101kg and interested in weight management, the NHS pathway typically starts with lifestyle changes: a balanced diet and regular physical activity can support sustainable weight loss at a rate of approximately 0.5–1kg per week. For those who need additional support, NHS specialist weight management services (tier 3) are available by GP referral, though waiting lists vary by region.
- Track your weight loss journey using our free progress tracker
- NHS Weight Loss Plan offers free, evidence-based guidance online
- Prescription weight loss medications are available through specialist NHS services or private prescribing for eligible adults
- Your GP is always your first port of call for personalised health advice
- 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 101kg in stone and pounds exactly?
101 kilograms equals 15 stone and 12.8 pounds. To convert: divide kg by 6.35029 for stone, or multiply kg by 2.20462 for total pounds. Our weight converter above provides instant, accurate conversions between all UK and metric units.
Is 101kg a healthy weight?
Whether 101kg is healthy depends entirely on your height, age, and overall health. Calculate your BMI using our free BMI calculator on this page — a healthy BMI is typically 18.5 to 24.9 according to NHS guidance. For South Asian or Black African heritage, lower thresholds apply.
What weight should I aim for according to NHS guidelines?
NHS recommends a healthy weight range based on your height and BMI. For example, an adult 5ft 9in tall should aim for 59–79kg. Use our BMI calculator to find your personal healthy weight range, then discuss your goals with your GP.
Can I lose weight from 101kg safely?
Yes. The NHS recommends losing 0.5–1kg per week through a calorie deficit and increased physical activity. This is sustainable and reduces risk of muscle loss. For rapid or significant weight loss, consult your GP, who may refer you to specialist weight management services.
What weight loss support is available on the NHS in the UK?
NHS offers: free lifestyle programmes, GP-supported behaviour change, tier 3 specialist weight management services (by referral), and in some cases, prescription weight loss medications or bariatric surgery. Availability and waiting times vary by region — speak to your GP about options in your area.
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.