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 a Healthy Weight for a 5'4" Female?
At 5 feet 4 inches (163 cm), a healthy weight for an adult female falls between approximately 49 kg and 65 kg (7 stone 10 lbs to 10 stone 3 lbs) according to NHS BMI guidelines. Your ideal weight depends on factors including muscle mass, bone density, and overall health — not just a single number. Use our free BMI calculator above to find your personal BMI and weight management context. This guide explains what healthy weight means at your height and how to interpret your results using NHS health advice.
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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 5'4" Females (BMI 18.5–24.9)
For a 5'4" female, the NHS healthy weight range is 49 kg to 65 kg (7 stone 10 lbs to 10 stone 3 lbs), corresponding to a BMI of 18.5 to 24.9. This range is based on the healthy BMI category and applies to most adult women of European heritage.
- Healthy weight (BMI 18.5–24.9): 49–65 kg
- Overweight (BMI 25–29.9): 65–78 kg (10 stone 3 lbs to 12 stone 4 lbs)
- Obese Class I (BMI 30–34.9): 78–88 kg (12 stone 4 lbs to 13 stone 12 lbs)
If you're of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower thresholds — your healthy range may start at a lower weight. Our weight converter tool helps translate these figures between kg, stone, and pounds instantly. Remember: BMI is a screening tool only and doesn't account for muscle mass or frame size, so discuss your personal weight with your GP for individualised advice.
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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.
Weight Management and Health Context
At 5'4", even modest weight changes can affect your health outcomes. Losing 5–10% of your current weight — if you're overweight — may improve blood pressure, blood sugar control, and reduce joint stress. The NHS recommends losing weight at a rate of 0.5–1 kg per week for sustainable results, achieved through a calorie deficit alongside increased physical activity.
If you're considering weight management support, your GP can assess whether prescription options like GLP-1 injections may be suitable. Try our GLP-1 weight loss calculator to explore potential outcomes, or use our progress tracker to log your weight journey over time. Weight management is personal — there's no single "ideal" weight, only a healthy range supported by good health markers.
- 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's the exact healthy weight range for a 5'4" female in stone and pounds?
The NHS healthy weight range (BMI 18.5–24.9) for a 5'4" female is approximately 7 stone 10 lbs to 10 stone 3 lbs (49–65 kg). Individual variation due to muscle mass and frame size means this is a range, not a target. Your GP can advise on what's healthy for you personally.
How do I calculate my BMI at 5'4"?
BMI = weight (kg) ÷ height (metres) squared. For 5'4" (1.63 m), divide your weight in kg by 2.66. For example, a weight of 60 kg gives a BMI of 22.6 (healthy range). Use our free BMI calculator above to check yours instantly.
Is the healthy weight range different for South Asian or Black British females?
Yes. The NHS recommends lower BMI thresholds for people of South Asian, Chinese, Black African, or Black Caribbean heritage due to higher health risk at lower weights. For these groups, the healthy range starts at BMI 18.5–22.9. Discuss your personal health targets with your GP.
What if my weight is above the healthy range — what should I do?
If you're above the healthy range, start with lifestyle changes: a balanced diet, increased physical activity, and reduced calorie intake. Your GP can discuss further support, including NHS weight management services or, if eligible, prescription weight management options like GLP-1 injections.
Can I use the healthy weight range to set a weight loss goal?
The healthy weight range is a helpful guideline, but individual factors (muscle mass, medical history, medications) mean your personal target may differ. Rather than fixating on one number, focus on moving into the healthy BMI range and improving health markers like blood pressure and fitness. Your GP can help set a realistic, personalised goal.
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.