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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

73 Kilograms in Stone — UK Weight Conversion

73 kilograms converts to 11 stone and 6.3 pounds using the standard UK conversion method. For many UK adults, this weight sits within the overweight BMI range, depending on height. Our free weight converter and BMI calculator above can help you understand where 73kg sits in relation to NHS healthy weight guidance and your personal health context.

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.

NHS Guidance and UK Health Context

At 73kg, your BMI depends entirely on your height. For example, someone who is 170cm tall (5ft 7in) would have a BMI of approximately 25.2, which falls at the boundary between healthy weight and overweight according to NHS guidelines. If you are shorter or taller, your BMI will differ significantly. Use our free BMI calculator on this page to check your personal BMI instantly — it takes just a few seconds and gives you a UK-context result aligned with NHS thresholds.

The NHS recommends a healthy weight BMI range of 18.5 to 24.9 for most adults. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the thresholds are lower (18.5 to 22.9), as these groups face higher health risks at lower body weights. If your BMI falls outside the healthy range, your GP can offer guidance on sustainable weight management tailored to your individual circumstances.

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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.

Converting 73kg to Stone and Using UK Tools

The conversion from kilograms to stone uses this formula: divide the kilogram value by 6.35. So 73kg ÷ 6.35 = 11.5 stone, or more precisely, 11 stone and 6.3 pounds. Use our free weight converter above to swap between kg, stone, and pounds instantly — no calculation needed.

Beyond weight conversion, understanding your health context is key. If you're managing your weight, our free progress tracker lets you log changes over time. If you're exploring weight management options, our GLP-1 weight loss calculator can help estimate potential outcomes with medical support. Always discuss your personal weight and health goals with your GP for advice tailored to you.

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 73kg in stone and pounds?

73 kilograms equals 11 stone and 6.3 pounds (or 11.5 stone). Use the weight converter on this page to convert between kg, stone, and lbs instantly. The formula is: kg ÷ 6.35 = stone.

Is 73kg a healthy weight?

It depends on your height. At 73kg, someone who is 170cm tall would have a BMI of about 25.2 (overweight range). Someone who is 180cm tall would have a BMI of about 22.5 (healthy range). Use our BMI calculator above to check your personal BMI with your exact height.

What is the NHS healthy weight range?

The NHS recommends a BMI of 18.5 to 24.9 for most UK adults. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the healthy range is 18.5 to 22.9 due to higher health risks at lower weights. Your GP can advise on what's healthy for you personally.

How do I convert kilograms to stone myself?

Divide the kilogram amount by 6.35. For example: 73kg ÷ 6.35 = 11.5 stone. To convert the decimal to pounds, multiply the decimal part (0.5) by 14: 0.5 × 14 = 7 pounds, giving 11 stone 7 pounds (approximately).

Should I be concerned about being 73kg?

Weight alone doesn't determine health — your height, age, muscle mass, and overall fitness all matter. Use our BMI calculator to understand your personal BMI, then speak with your GP if you have concerns. They can offer personalised guidance based on your health history and 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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