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Used by Mounjaro & Wegovy patients across the UK

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
Get the guide + free tracker — £1.99 →

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GLP-1 Medication Guide — 11 chapters, 100+ pages, NHS-aligned with free 52-week weight loss tracker calendar
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Healthy Weight Chart for Senior Women

A healthy weight chart for senior women provides context for what a normal weight range is based on height, age, and individual health factors. In the UK, the NHS uses BMI (body mass index) as a screening tool to assess whether weight falls within a healthy range. However, for older women, factors like muscle loss, bone density, and medical conditions mean a standard weight chart is just one part of the picture. This guide explains healthy weight ranges for senior women using UK measurements and NHS health guidance.

10,000+ calculations today · NHS-aligned thresholds · 100% free

26%of UK adults are living with obesityNHS Digital, 2023
64%of adults in England are overweight or obeseHealth Survey for England
£6.5bnannual cost of obesity to the NHSPublic Health England
4.7Mpeople in England eligible for weight loss drugsNICE estimates, 2024

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.

Below 18.5Underweight
18.5 – 24.9Healthy
25 – 29.9Overweight
30+Obese

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.

What's a Healthy Weight Range for Senior Women?

The NHS defines a healthy BMI as between 18.5 and 24.9 for most adults. However, for senior women, this range remains the same — though your GP may consider individual health factors when assessing whether your weight is appropriate for you.

Healthy weight ranges by height (senior women):

  • 5ft 0in (152cm): 7st 12lbs to 10st 6lbs (50–66kg)
  • 5ft 2in (157cm): 8st 5lbs to 11st 2lbs (53–71kg)
  • 5ft 4in (163cm): 8st 13lbs to 11st 11lbs (57–75kg)
  • 5ft 6in (168cm): 9st 6lbs to 12st 7lbs (60–79kg)
  • 5ft 8in (173cm): 10st 1lb to 13st 5lbs (64–84kg)

Use our free BMI calculator above to check your personal BMI instantly based on your height and current weight. These ranges assume moderate activity levels and no significant medical conditions affecting weight.

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How It Works

Three simple steps to understand your weight and take action.

1Check Your BMI

Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.

2Explore Your Options

If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.

3Track Your Progress

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.

Why Senior Women's Weight Matters

Maintaining a healthy weight in later life supports bone health, cardiovascular function, and mobility. Excess weight in senior years increases risk of type 2 diabetes, heart disease, and joint problems. Underweight can also be concerning in older age — it may indicate muscle loss or nutritional deficiency.

Age-related muscle loss (sarcopenia) is natural and means some senior women may weigh less while still having adequate health. Your GP can discuss what weight is right for you individually. Convert your weight between kg, stone, and pounds using our free weight converter to better understand your measurements in both metric and imperial units.

Mounjaro (Tirzepatide)
  • 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
Read our full Mounjaro guide →
Wegovy (Semaglutide)
  • 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
Read our full Wegovy guide →

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.

FeatureMounjaroWegovy
Drug classDual GIP/GLP-1 agonistGLP-1 agonist
Active ingredientTirzepatideSemaglutide
Avg. weight loss15–22.5%12–17%
Key trialSURMOUNT-1 (2022)STEP 1 (2021)
Max dose15 mg weekly2.4 mg weekly
Escalation period20–32 weeks16–20 weeks
AdministrationWeekly injection (pen)Weekly injection (pen)
NHS availabilityPrivate prescription onlyNHS & private
Approx. private cost£150–£250/month£150–£300/month
Common side effectsNausea, diarrhoea, constipationNausea, 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.

Standard eligibility
  • BMI of 30 or above (obese)
  • Age 18 or over
  • No contraindicated conditions
  • Committed to lifestyle changes
With comorbidities
  • 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 average weight for a senior woman in the UK?

According to NHS data, the average UK woman weighs approximately 71.6kg (11st 3lbs). However, average weight varies significantly by height and individual health. Your healthy weight range depends on your specific height, muscle mass, and medical history — not on what others weigh.

Is BMI accurate for older women?

BMI is a useful screening tool but has limitations for seniors. It doesn't account for muscle loss with age, bone density changes, or where fat is stored. Your waist circumference and overall health are also important. Always discuss your weight with your GP rather than relying on BMI alone.

How can I check if my weight is healthy?

Calculate your BMI using your height and weight with our free BMI calculator on this page. A BMI between 18.5–24.9 is considered healthy by NHS guidelines. However, your GP can give personalised advice about whether your weight is appropriate for your individual health.

Should senior women try to lose weight?

Weight loss decisions should always be made with your GP. For some senior women, modest weight loss (5–10% of body weight) can improve health outcomes if overweight. For others, maintaining current weight is appropriate. Never attempt gradual weight management without medical guidance.

What's the best way for a senior woman to manage weight?

The NHS recommends a combination of balanced eating, physical activity suited to your ability, and regular GP check-ups. Weight management for seniors should focus on health and function, not appearance. Your GP can refer you to a weight management programme if appropriate for your individual 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.

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