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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 →

Free tracker included with every download this week

GLP-1 Medication Guide — 11 chapters, 100+ pages, NHS-aligned with free 52-week weight loss tracker calendar
Free · Instant · No sign-up required

5.8 Metres in Feet — UK Height Conversion

5.8 metres converts to 19 feet 0 inches exactly. This is a very tall height — well above the UK average for both men and women. Use our free weight converter above to switch between metric and imperial measurements instantly. Understanding your height in both units is helpful when using NHS health guidance, calculating your BMI, or tracking your health metrics across different measurement systems. Height affects many health assessments, including BMI classification and healthy weight ranges.

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.

How to Convert 5.8 Metres to Feet

5.8 metres = 19 feet 0 inches exactly.

To convert metres to feet, multiply by 3.28084. The calculation is: 5.8 × 3.28084 = 19.03 feet, which rounds to 19 feet 0 inches.

For reference:

  • 1 metre = 3.28084 feet
  • 1 foot = 0.3048 metres
  • 5.8 metres is approximately 19 feet (or 19ft 0in when expressed precisely)

This height is significantly taller than the UK average. The average UK adult man stands around 175 cm (5ft 9in), whilst the average UK adult woman is approximately 162 cm (5ft 4in). At 5.8 metres, you would be exceptionally tall — well above typical human height ranges.

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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.

Height Context and Health Relevance

Height is a key factor in calculating your BMI and determining a healthy weight range. Use our free BMI calculator to check your personal BMI instantly — it accounts for your exact height and weight to give you meaningful health context aligned with NHS guidance.

For UK health advice, NHS thresholds use height in centimetres. 5.8 metres (580 cm) would be an extraordinary height — far beyond any recorded human measurement. If you're converting a typical adult height, you may be looking for a different value (such as 5.8 feet or 1.8 metres, which are more realistic adult heights). Double-check your original measurement to ensure accurate health assessments.

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 is 5.8 metres in feet and inches?

5.8 metres equals 19 feet 0 inches (or 19 feet exactly). To convert, multiply metres by 3.28084. This is an exceptionally tall height — well beyond typical human ranges.

Is 5.8 metres a realistic human height?

No. The tallest person ever recorded was around 2.72 metres (8ft 11in). If you need a realistic adult height conversion, check whether your original measurement was 5.8 feet (1.77 metres, approximately 5ft 10in) or 1.8 metres instead.

How does my height affect my BMI?

Height is crucial for BMI calculation. BMI = weight (kg) ÷ height (m)². Our free BMI calculator on this page accounts for your exact height to give you an accurate BMI and healthy weight range aligned with NHS guidance.

What's the average UK adult height?

The average UK adult man is approximately 175 cm (5ft 9in), and the average UK adult woman is around 162 cm (5ft 4in). Most adults fall between 1.50 and 1.95 metres. Check your measurement if you recorded 5.8 metres.

How can I convert other heights quickly?

Use our free weight converter above to instantly switch between metres, feet, centimetres, and inches. It handles all metric and imperial conversions for height and weight together, making it easy to work with NHS health guidance in any unit.

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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