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 Does 70 kg Mean for a Woman's Health?
At 70 kg, a woman's health depends on her height, age, and overall fitness. Using NHS guidance, 70 kg falls into different weight categories depending on how tall you are. For example, a woman who is 5 feet 6 inches (168 cm) tall would have a BMI of approximately 22.6, which sits comfortably in the healthy weight range. However, the same weight means something very different for a woman who is 5 feet 1 inch (155 cm) tall. This UK health guide explains what 70 kg means for your health, how to check your personal BMI, and when to seek advice from your GP.
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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.
Converting 70 kg and Understanding BMI
70 kg in UK measurements equals 11 stone 0.1 lbs (or approximately 154 lbs). You can convert your weight using our free weight converter above for gradual improvement.
To determine whether 70 kg is a healthy weight for you specifically, calculate your BMI using our free BMI calculator on this page. BMI (body mass index) is calculated by dividing weight in kilograms by height in metres squared. According to NHS guidelines, a healthy BMI for most adults is between 18.5 and 24.9.
- BMI below 18.5 = underweight
- BMI 18.5–24.9 = healthy weight
- BMI 25.0–29.9 = overweight
- BMI 30.0+ = obese
For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower thresholds: a healthy BMI is 18.5–22.9, and overweight starts at 23.0. At 70 kg, your BMI category depends entirely on your height.
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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.
When to Seek Advice About Your Weight
If you're concerned about your weight or health, your GP can provide personalised advice based on your individual circumstances, medical history, and lifestyle. Weight is influenced by many factors including genetics, metabolic health, medications, and physical activity levels — not just diet.
If you're interested in weight management support, the NHS offers a free Weight Loss Plan available through your GP. For adults meeting certain criteria (BMI of 30 or above, or 27 or above with weight-related health conditions like type 2 diabetes or high blood pressure), prescription weight management options may be available through NHS specialist services or via private clinical assessment. Your GP can discuss what options are right for you.
- 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 stone for a UK woman?
70 kg equals 11 stone 0.1 lbs. Use our free weight converter above to instantly convert between kg, stone, and pounds. UK adults commonly use stone for body weight, so knowing both measurements is helpful.
Is 70 kg a healthy weight for a woman?
It depends on your height. At 70 kg, calculate your BMI using our free BMI calculator on this page. If your BMI falls between 18.5 and 24.9, you're in the healthy range according to NHS guidelines. If you're of South Asian or Black African heritage, the healthy range is 18.5–22.9.
What is my BMI at 70 kg?
Your BMI at 70 kg depends on your height. For example: at 5ft 6in (168cm), BMI ≈ 22.6 (healthy); at 5ft 4in (163cm), BMI ≈ 23.6 (healthy); at 5ft 1in (155cm), BMI ≈ 26.2 (overweight). Use the BMI calculator above for your exact height.
When should I talk to my GP about my weight at 70 kg?
Contact your GP if you have concerns about your weight and health, especially if you have weight-related health conditions, are struggling with weight management, or want to explore NHS support options. Your GP can offer personalised advice and discuss available interventions.
Are weight loss injections suitable for someone at 70 kg?
Weight loss injections like Mounjaro (tirzepatide) or Wegovy (semaglutide) are prescription-only and require clinical assessment. Eligibility depends on BMI, health conditions, and individual circumstances — not weight alone. Your GP or a licensed prescriber can assess whether these options are appropriate for you.
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.