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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
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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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What is 68.5 kg in stone and pounds?

68.5 kg converts to 10 stone 11.2 pounds (or 10st 11.2lbs). To convert kilograms to stone, divide the kg value by 6.35029. This weight falls within the healthy or overweight range depending on your height and individual health profile. Use our free weight converter above to check conversions between kg, stone, and pounds instantly, or continue reading for more context about what this weight means for UK health guidelines.

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.

68.5 Kg Conversion Table and Formula

68.5 kg = 10 stone 11.2 pounds (10st 11.2lbs)

To convert kg to stone, use this formula: kg ÷ 6.35029 = stone. For 68.5kg: 68.5 ÷ 6.35029 = 10.79 stone, which breaks down as 10 stone and 11.2 pounds (since 1 stone = 14 pounds).

Here are nearby weights converted for reference:

  • 65 kg = 10 stone 3.2 lbs
  • 66 kg = 10 stone 5.5 lbs
  • 67.5 kg = 10 stone 8.4 lbs
  • 68.5 kg = 10 stone 11.2 lbs
  • 69.5 kg = 10 stone 14.0 lbs
  • 70 kg = 11 stone 0.1 lbs
  • 71 kg = 11 stone 2.9 lbs

The kilogram to stone conversion follows a simple ratio, making it easy to switch between metric and imperial measurements used in the UK.

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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.

BMI Context at 68.5 Kg — Is This a Healthy Weight?

Whether 68.5 kg is healthy depends on your height. At average UK heights, this weight typically sits in the overweight to borderline healthy range. For example, at 5ft 5in (165cm), 68.5 kg gives a BMI of 23.9 (healthy); at 5ft 2in (157cm), it's 27.8 (overweight). Use our free BMI calculator above to find your personal BMI instantly. The NHS recommends a healthy BMI between 18.5 and 24.9 for most adults. If you're working towards a specific weight goal, our progress tracker can help you monitor your journey over time.

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 the exact conversion of 68.5 kg to stone and pounds?

68.5 kg equals 10 stone 11.2 pounds. To calculate this, divide 68.5 by 6.35029 to get 10.79 stone. The whole number (10) is your stone, and multiply the decimal (0.79) by 14 to get pounds (11.2lbs). You can also use our weight converter tool to instantly switch between kg, stone, and pounds.

How does 68.5 kg compare to the UK average weight?

The UK average adult weight is around 85.7 kg for men and 71.6 kg for women. At 68.5 kg, you're below the national average. However, individual health depends on your height, body composition, and overall fitness level — not just absolute weight. Your BMI and waist circumference are more meaningful health markers.

Is 68.5 kg a healthy weight?

It depends entirely on your height. At 5ft 5in, 68.5 kg gives a BMI of 23.9 (healthy). At 5ft 2in, it's a BMI of 27.8 (overweight). The NHS defines healthy BMI as 18.5–24.9. Use the BMI calculator on this page to check your personal health weight range based on your height.

How do I convert stone and pounds to kilograms?

To convert the other direction, use this formula: (stone × 6.35029) + (pounds × 0.453592) = kg. For example, 10 stone 11 pounds = (10 × 6.35029) + (11 × 0.453592) = 68.4 kg. Our weight converter makes this instant — just enter your stone and pounds above.

What is the formula for converting kg to stone?

The formula is simple: kg ÷ 6.35029 = stone. So 68.5 ÷ 6.35029 = 10.79 stone. To get the pounds part, take the decimal (0.79), multiply by 14: 0.79 × 14 = 11.2 pounds. This works for any kilogram value you need to convert to UK measurements.

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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