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 75 Kg In Stone And Lbs?
75 kilograms is equal to 11 stone and 11 pounds (11st 11lbs) in UK measurements. This is a straightforward weight conversion using the standard kilogram to stone conversion formula. However, whether this weight is healthy for you depends entirely on your height — the same weight gives a very different BMI at different heights. Use our free BMI calculator above to find your personal BMI instantly, and we'll show you where you fall on the NHS health scale.
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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.
75 Kg BMI At Different Heights
At 75kg, your BMI varies significantly depending on your height. Here are 6 example BMI values to show you how height changes the picture:
- 1.60m (5ft 3in): BMI 29.3 — Overweight (NHS category)
- 1.65m (5ft 5in): BMI 27.5 — Overweight
- 1.70m (5ft 7in): BMI 25.9 — Overweight (just above healthy range)
- 1.75m (5ft 9in): BMI 24.5 — Healthy weight
- 1.80m (5ft 11in): BMI 23.1 — Healthy weight
- 1.85m (6ft 1in): BMI 21.9 — Healthy weight
As you can see, 75kg is healthy for taller adults but falls into the overweight category for shorter heights. To convert between metric and imperial weight, divide kilograms by 6.35 — this gives you the stone to kg conversion you need for UK health contexts.
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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.
Understanding NHS BMI Categories
The NHS divides BMI into five main categories: underweight (below 18.5), healthy weight (18.5–24.9), overweight (25.0–29.9), obese (30.0–34.9), and severely obese (40+). Your personal BMI places you somewhere within this scale depending on your height. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds — healthy weight starts at 18.5 but extends only to 22.9, not 24.9. Remember that BMI is a screening tool, not a complete health picture. It does not account for muscle mass or where fat is stored — your GP can give you more personalised advice about what your weight 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.
Is 75kg overweight for an adult?
At 75kg, whether you're overweight depends entirely on your height. At 1.60m (5ft 3in) you'd have a BMI of 29.3 (overweight), but at 1.80m (5ft 11in) your BMI would be 23.1 (healthy weight). Use the BMI calculator on this page to find your exact category.
How do I convert 75 kilos to stone?
Divide 75kg by 6.35029. This gives approximately 11 stone and 11 pounds (11st 11lbs). You can also use our free weight converter above to switch between kg, stone, and pounds instantly.
What's the healthy weight range for my height at 75kg?
The healthy weight range depends on your height. Our BMI calculator will show you your healthy weight range once you enter your height. A GP can also advise you on what's appropriate for your individual circumstances.
Does BMI tell me everything about my health?
No. BMI is useful but has limitations — it doesn't distinguish between muscle and fat, and doesn't account for where fat is stored. Waist measurement and overall fitness are also important. Your GP can give you a fuller health picture.
What should I do if my BMI shows I'm overweight?
The NHS recommends sustainable weight loss of 0.5–1kg per week through a balanced diet and increased physical activity. Your GP can discuss options including lifestyle support, behaviour change programmes, or referral to specialist services if needed.
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.