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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

What Is 88.6 Kilos In Stones And Pounds?

88.6 kilos is equal to 13 stone and 12.3 pounds (or approximately 13 stone 12 lbs). To convert kilograms to stone, you divide the kilogram weight by 6.35029. At this weight, your BMI depends on your height, but for the average UK adult height, 88.6kg typically falls into the overweight or obese category according to NHS guidelines. Use our free weight converter above to check conversions instantly, or try our BMI calculator to see where your weight sits relative to healthy 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.

Nearby Weight Conversions — Kilos To Stones And Pounds

Here are weight conversions close to 88.6kg to help you see the pattern of metric to imperial weight conversion:

  • 85kg = 13 stone 5.7lbs
  • 86kg = 13 stone 7.9lbs
  • 87kg = 13 stone 10.1lbs
  • 88.6kg = 13 stone 12.3lbs
  • 90kg = 14 stone 2.5lbs
  • 91kg = 14 stone 4.7lbs
  • 92kg = 14 stone 6.9lbs>

The conversion formula is straightforward: divide kilograms by 6.35029 to get stones, then multiply any remaining decimal by 14 to get pounds. Alternatively, use our free weight converter on this page for gradual improvement across kg, stone, and lbs.

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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.

Is 88.6kg A Healthy Weight? BMI Context And Health Guidance

Whether 88.6kg is healthy depends on your height. At 5 feet 8 inches (173cm), a weight of 88.6kg gives a BMI of approximately 29.6, which falls into the overweight category according to NHS guidelines (BMI 25–29.9). At 5 feet 10 inches (178cm), the same weight produces a BMI of around 27.2, still overweight. At 6 feet (183cm), BMI would be approximately 26.4, also overweight.

The NHS recommends a healthy BMI range of 18.5 to 24.9 for most adults. If you're concerned about your weight in relation to your health, calculate your personal BMI using our free BMI calculator above, then discuss the results with your GP who can provide personalised guidance based on your individual health profile.

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.

How do I convert 88.6kg to stones and pounds?

Divide 88.6 by 6.35029 to get 13.96 stones. The whole number (13) is your stones. Multiply the decimal (0.96) by 14 to get pounds (13.44lbs). So 88.6kg = 13 stone 12.3lbs approximately. Our free weight converter on this page does this instantly.

What is 88.6kg in just pounds?

88.6kg equals approximately 195.3 pounds. You can convert any kilogram weight to pounds by multiplying by 2.20462. This is useful if you prefer working in imperial units or need to check your weight on a scales calibrated in lbs.

Is 88.6kg considered overweight?

It depends on your height. At average UK heights (5ft 8in to 6ft), 88.6kg typically falls into the overweight category (BMI 25–29.9) according to NHS guidelines. Use our BMI calculator above to check your specific BMI, which accounts for both your weight and height.

What weight would I need to reach a healthy BMI at my height?

A healthy BMI sits between 18.5 and 24.9. At 5ft 8in, that's roughly 55–74kg. At 5ft 10in, it's 57–76kg. At 6ft, it's 60–79kg. Your GP or a registered dietitian can help you set realistic, personalised weight goals based on your health and circumstances.

What tools can help me track weight changes from 88.6kg?

MyWeightCheck offers several free tools: use the BMI calculator to monitor your BMI as you lose weight, the weight converter to track progress in your preferred units (stone, kg, or lbs), and the progress tracker to log your journey over time and see trends visually.

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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