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
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70 Kg In Stones And Lbs — BMI At Different Heights
If you weigh 70 kg, that's 11 stone and 0.1 lbs in imperial measurements commonly used in the UK. However, whether this weight is healthy depends entirely on your height — the same weight can give very different BMI values. Below, we show what BMI 70 kg produces at six common adult heights, plus which NHS health category each falls into. Use our free BMI calculator above to find your exact BMI instantly.
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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.
BMI Values For 70 Kg At Different Heights
To convert 70 kg to stone and lbs, divide by 6.35: 70 ÷ 6.35 = 11 stone and 0.1 lbs. Your BMI depends on your height. Here are the results at common UK heights:
- At 5ft 2in (158 cm): BMI 25.7 — falls in the overweight range (25.0–29.9)
- At 5ft 5in (165 cm): BMI 23.5 — falls in the healthy weight range (18.5–24.9)
- At 5ft 8in (173 cm): BMI 21.6 — falls in the healthy weight range
- At 5ft 10in (178 cm): BMI 20.6 — falls in the healthy weight range
- At 6ft (183 cm): BMI 19.7 — falls in the healthy weight range
- At 6ft 2in (188 cm): BMI 18.8 — falls in the healthy weight range
The same weight in kilograms produces different BMI outcomes depending on height — taller individuals have lower BMI at the same weight. Enter your exact height in our weight converter above to find your precise BMI.
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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.
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Everything you need to understand your weight, explore medication options, and track your progress — completely free.
Understanding Your BMI Category And NHS Health Thresholds
The NHS divides BMI into four categories: underweight (below 18.5), healthy weight (18.5–24.9), overweight (25.0–29.9), and obese (30.0+). At 70 kg, you fall into the healthy or overweight category depending on your height. Important: BMI does not distinguish between muscle and fat — athletes may have higher BMI but low body fat. BMI also doesn't account for where fat is stored around your body. Your GP can discuss what your personal BMI means for your health. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, lower BMI thresholds apply, as these groups face higher health risks at lower weights. Track your health journey using our free progress tracker.
- 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 70 kg in stones and pounds exactly?
70 kg equals 11 stone and 0.1 lbs using standard imperial conversion (1 stone = 6.35029 kg). Use our weight converter above to switch instantly between kilograms, stone, and pounds.
Is 70 kg a healthy weight?
It depends on your height. At 5ft 5in or taller, 70 kg typically gives a healthy BMI (below 25). At shorter heights, it may fall into the overweight category. Use our free BMI calculator to check your personal BMI instantly.
How do I convert kilos in stone myself?
Divide kilograms by 6.35 to get stone. For 70 kg: 70 ÷ 6.35 = 11 stone. To convert the remaining decimal to pounds, multiply by 14 (since 1 stone = 14 lbs). Our weight converter does this automatically.
What does BMI 25 mean on the NHS scale?
A BMI of 25 falls at the boundary between healthy weight and overweight on NHS guidelines. The healthy range is 18.5–24.9, and overweight is 25.0–29.9. Individual health depends on fitness, muscle mass, and other factors — speak to your GP about what's right for you.
Does muscle affect whether 70 kg is healthy?
Yes — BMI doesn't distinguish muscle from fat. Someone with high muscle mass (like an athlete) could weigh 70 kg and have a higher BMI but lower body fat than expected. Your GP or a healthcare professional can assess your overall health context beyond 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.