Skip to content

Your cart is empty

Have an account? Log in to check out faster.

Continue shopping
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 88.8 Kg in Stones and Pounds?

88.8 kg converts to 13 stone 12.8 pounds (or 195.8 lbs) using standard weight conversion. However, whether this weight is healthy for you depends entirely on your height. BMI is calculated using both weight and height together, so the same weight can give very different BMI results depending on how tall you are. Use our free BMI calculator above to find your personal BMI instantly by entering your height and weight.

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.

BMI at Different Heights for 88.8 Kg

At 88.8 kg, your BMI varies significantly depending on your height. Here are examples of what BMI this weight would give across common UK heights:

  • 160 cm (5ft 3in): BMI 34.7 — falls in the obese (Class I) range
  • 165 cm (5ft 5in): BMI 32.6 — falls in the obese (Class I) range
  • 170 cm (5ft 7in): BMI 30.7 — falls in the obese (Class I) range
  • 175 cm (5ft 9in): BMI 29.0 — falls in the overweight range
  • 180 cm (5ft 11in): BMI 27.4 — falls in the overweight range
  • 185 cm (6ft 1in): BMI 25.9 — falls in the healthy weight range

The NHS healthy weight range is BMI 18.5 to 24.9 for most adults. Calculate your personal BMI using the weight converter and BMI calculator on this page to see exactly where you stand.

Clinically Backed
Weight Loss

No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.

Get Started →Plans from £144.99/month
AdNew here?
£30OFF
On All Weight Loss Orders
Use Code: FIRST30
GPhC Regulated
Same-day Rx
Next-day Delivery
Genuine Medication

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.

Understanding BMI Categories and Limitations

NHS BMI Categories: Underweight (below 18.5), Healthy weight (18.5–24.9), Overweight (25.0–29.9), Obese Class I (30.0–34.9), Obese Class II (35.0–39.9), Severely obese (40.0+). For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower thresholds, as these groups face higher health risks at lower BMI levels.

Important: BMI does not distinguish between muscle and fat — athletes may have a high BMI but low body fat. Waist circumference and overall fitness also matter. Your GP can provide personalised health advice based on your individual circumstances, not BMI alone.

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 88.8 kg in stone and pounds exactly?

88.8 kg converts to 13 stone 12.8 pounds using the standard conversion of 1 stone = 6.35029 kg. In pure pounds, this is 195.8 lbs. Use the weight converter on this page to convert between metric and imperial measurements instantly.

Is 88.8 kg a healthy weight?

This depends on your height. At 88.8 kg, you could be in the healthy weight, overweight, or obese range depending on how tall you are. Use our free BMI calculator above to enter your height and get your personal BMI and NHS category. Your GP can also advise on what's healthy for you individually.

What BMI does 88.8 kg give at an average UK height?

At an average UK adult height of around 170 cm (5ft 7in), 88.8 kg gives a BMI of approximately 30.7, which falls in the obese (Class I) range according to NHS guidelines. However, your personal BMI depends on your exact height — use the calculator above.

What are the NHS BMI categories?

The NHS uses these categories: Underweight (below 18.5), Healthy weight (18.5–24.9), Overweight (25.0–29.9), Obese Class I (30.0–34.9), Obese Class II (35.0–39.9), and Severely obese (40.0+). Adults of South Asian or Black African heritage have lower thresholds starting at 18.5–22.9 for healthy weight.

Does BMI tell the whole story about weight and health?

No. BMI is a useful screening tool but has limitations — it doesn't account for muscle mass, bone density, or where fat is stored. Waist circumference is also important. For personalised health advice, speak to your GP, and use our BMI calculator alongside the weight converter to understand your measurements in context.

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.

Search