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's the Ideal Weight for a 5'3" Female?
For a woman who is 5'3" (160 cm) tall, the ideal weight range according to NHS guidelines is between approximately 47 kg and 63 kg (7 stone 6 lbs to 9 stone 13 lbs). This corresponds to a healthy BMI of 18.5 to 24.9. However, your personal ideal weight depends on factors including your frame size, muscle mass, and overall health. Your GP can provide personalised guidance based on your individual circumstances and any existing health conditions.
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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.
Healthy Weight Range for 5'3" — BMI Breakdown
Using the NHS BMI framework, a healthy weight for a 5'3" female falls within the following range:
- Lower bound (BMI 18.5): approximately 47 kg (7 stone 6 lbs)
- Upper bound (BMI 24.9): approximately 63 kg (9 stone 13 lbs)
- Ideal midpoint: approximately 55 kg (8 stone 9 lbs) represents a comfortable healthy weight
This healthy weight range for height UK is based on evidence that people within this BMI bracket typically have lower risk of weight-related health conditions including type 2 diabetes, heart disease, and high blood pressure. Remember that BMI is a screening tool — it does not account for muscle mass, bone density, or where fat is stored. Use our free BMI calculator above to check your personal BMI instantly and see where your current weight falls within these guidelines.
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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.
How to Find Your Personalised Ideal Weight
Your ideal body weight is unique to you and may differ from general recommendations. The NHS healthy weight calculator considers your height, current weight, and age. Factors affecting your ideal weight include genetics, ethnicity, fitness level, and any medical conditions you have. For women of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower BMI thresholds due to increased health risks at lower weights. Rather than aiming for a specific number, focus on moving into the healthy BMI range for your height and maintaining sustainable lifestyle changes. Your GP can help you set realistic, personalised weight goals during a health check.
- 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 the average UK weight for a woman 5'3"?
The average UK adult woman weighs approximately 71.6 kg (11 stone 3 lbs), though this varies by age, body composition, and genetics. At 5'3", being within the healthy BMI range of 47–63 kg is more important than matching an average figure.
Is 5'3" and 60 kg a healthy weight for a female?
Yes, 60 kg at 5'3" gives a BMI of approximately 26.7, which falls in the overweight category. The healthy range is 47–63 kg. At 60 kg you're close to the upper healthy limit — your GP can advise if this is appropriate for your individual health.
How do I calculate healthy weight for my height?
Use the formula: healthy BMI range is 18.5–24.9. Multiply your height in metres squared by 18.5 (lower) and 24.9 (upper) to get your weight range in kg. Or use our free healthy weight calculator on this page for gradual improvement.
Does ethnicity affect ideal weight at 5'3"?
Yes. Women of South Asian, Chinese, Black African, or Black Caribbean heritage have higher health risks at lower BMI levels. The NHS recommends a BMI of 18.5–22.9 for these groups instead of 18.5–24.9. Your GP can discuss what's healthy for you.
Should I aim for the lower or upper end of the healthy weight range?
This depends on your frame size, muscle mass, and personal health goals. Some women are healthier at the lower end; others at the upper end. Your GP or a dietitian can help you find the right target. Focus on sustainable lifestyle changes rather than a specific number.
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.