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
How many stone is 70kg?
70kg is equal to 11 stone and 0.1 pounds (or approximately 11 stone). In the UK, where most people measure body weight in stone and pounds, this metric conversion is useful for understanding your weight in familiar terms. Whether you're checking NHS health guidance, tracking weight loss, or simply converting measurements, knowing how to convert between kilograms and stone helps you understand health recommendations more clearly. Use our free weight converter above to instantly switch between kg, stone, and pounds.
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.
UK BMI and healthy weight context for 70kg
At 70kg, your BMI depends on your height. For example, if you're 1.73m tall (5ft 8in), a weight of 70kg gives a BMI of approximately 23.4, which falls in the healthy weight range according to NHS guidelines (18.5–24.9). However, if you're shorter—say 1.60m (5ft 3in)—the same weight would give a BMI of 27.3, which is in the overweight category. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower thresholds for healthy weight.
- Healthy BMI range (most adults): 18.5–24.9
- Healthy BMI range (South Asian/Black African/Caribbean heritage): 18.5–22.9
- BMI is one screening tool but does not account for muscle mass or where fat is stored
Use our free BMI calculator above to check your exact BMI based on your height and weight.
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 weight guidance and next steps
The NHS emphasises that healthy weight is individual and depends on your age, sex, muscle mass, and overall health. If you're concerned about whether 70kg is a healthy weight for you, your GP can provide personalised guidance based on your BMI, waist measurement, and health history. A waist measurement above 94cm for men or 80cm for women indicates increased health risk, regardless of BMI.
- Book an appointment with your GP if you have concerns about your weight
- Track your weight progress using our free progress tracker on this page
- Combine any weight changes with balanced nutrition and regular physical activity
Remember, sustainable weight management is about long-term lifestyle changes, not rapid loss.
- 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 70kg a healthy weight?
At 70kg, whether you're at a healthy weight depends on your height, age, and overall health. Use your height with 70kg to calculate your BMI (below 25 is generally healthy). Your GP can give you personalised advice based on your individual circumstances, including waist measurement and health conditions.
How do I convert 70kg to stone and pounds?
70kg equals 11 stone and 0.1 pounds. To convert, divide 70 by 6.35029. Our free weight converter above instantly shows conversions between kg, stone, and pounds, plus calculates your BMI at the same time.
What BMI is 70kg at different heights?
At 1.73m (5ft 8in), 70kg = BMI 23.4 (healthy). At 1.60m (5ft 3in), 70kg = BMI 27.3 (overweight). At 1.80m (5ft 11in), 70kg = BMI 21.6 (healthy). Use our BMI calculator above to find your exact BMI based on your height.
Should I try to lose weight from 70kg?
Only your GP can advise whether weight loss is appropriate for you personally. If your BMI falls in the overweight or obese range, your GP may discuss lifestyle changes or support. Weight loss should be gradual—the NHS recommends losing 0.5–1kg per week for sustainable results.
Does 70kg mean different health risks for different ethnicities?
Yes. The NHS recommends lower healthy weight thresholds for adults of South Asian, Chinese, Black African, and Black Caribbean heritage because these groups face higher health risks at the same BMI. Speak to your GP about the most appropriate healthy weight range for your ethnicity and circumstances.
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.