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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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137 kg in Lbs — Convert to Stone and Pounds

137 kilograms is equal to 301.9 pounds (21 stone 7.9 lbs) using the standard metric to imperial weight conversion. This weight falls into the obese category according to NHS guidelines for most UK adults, though context depends on height and individual health factors. Understanding your weight in different units helps you track health metrics more easily. Use our free weight converter to switch between kg, stone, and lbs instantly whenever you need.

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.

137 Kg to Lbs Conversion Formula and Table

To convert 137 kg to pounds, multiply the kilogram value by 2.20462. The formula is: 137 kg × 2.20462 = 301.9 lbs. To convert kilograms to stone, divide by 6.35029: 137 kg ÷ 6.35029 = 21.58 stone, which equals 21 stone 8.1 lbs (or 21 st 7.9 lbs when rounding).

Here's a quick reference table with nearby values to help you understand the conversion range:

  • 135 kg = 297.6 lbs (21 stone 4 lbs)
  • 136 kg = 299.8 lbs (21 stone 5.8 lbs)
  • 137 kg = 301.9 lbs (21 stone 7.9 lbs)
  • 138 kg = 304.2 lbs (21 stone 10 lbs)
  • 139 kg = 306.4 lbs (21 stone 12 lbs)

These conversions use the exact metric to imperial weight standard recognised by the NHS and UK health services.

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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.

137 Kg in Context — BMI and Healthy Weight Range

At 137 kg, your BMI depends significantly on your height. For example, at an average UK height of 1.70m (5ft 7in), a weight of 137 kg gives a BMI of approximately 47.4, which falls into the severely obese category (BMI 40+). At 1.80m (5ft 11in), the BMI would be around 42.3. At 1.60m (5ft 3in), it would be approximately 53.5.

The NHS healthy weight range for these heights spans from around 47–63 kg (7st 6lb–9st 13lb) at 1.60m, to 53–71 kg (8st 5lb–11st 3lb) at 1.70m, and 64–85 kg (10st 1lb–13st 6lb) at 1.80m. Use our free BMI calculator above to check your personal BMI and see what a healthy weight range looks like for your specific height.

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's the exact conversion of 137 kg to lbs?

137 kg equals 301.9 pounds (301.862 to be precise). In UK stone and pounds, that's 21 stone 7.9 lbs. To convert any kilogram value to pounds, multiply by 2.20462. Use our weight converter above for gradual improvement in any unit.

Is 137 kg overweight or obese?

According to NHS guidelines, 137 kg is in the obese category for most UK adults, though the specific classification depends on your height and age. At 1.70m, a BMI of 47.4 falls into the severely obese range. Your GP can assess whether this weight poses health risks for you personally.

What's the healthy weight range at 137 kg height equivalent?

If you're 1.70m tall (approximately 5ft 7in), the NHS healthy weight range is 47–63 kg (7st 6lb–9st 13lb). At 1.80m, it's 64–85 kg (10st 1lb–13st 6lb). Calculate your personal healthy range using the BMI calculator on this page.

How do I convert stone to kg for comparison?

Divide the stone value by 6.35029 to get kg. 21 stone ÷ 6.35029 = 131 kg approximately. Alternatively, multiply stone by 14 to get pounds first, then divide pounds by 2.20462 to convert to kg. Our weight converter handles all these conversions instantly.

Can I lose weight from 137 kg safely?

The NHS recommends losing 0.5–1 kg per week for sustainable results. This typically requires a calorie deficit of around 500 kcal daily alongside physical activity. Your GP can discuss personalised weight loss options, and our progress tracker can help you log and monitor your weight changes over time.

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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