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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 →

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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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Convert Stone and Pounds to Pounds

Converting stone and pounds to pounds is straightforward once you know the formula. In the UK, we commonly use stone and pounds for body weight, but converting to total pounds is useful for health apps, online tools, and international health guidance. This guide explains the exact conversion and helps you switch between UK and imperial measurements quickly. Whether you're tracking your weight for NHS health advice or checking your BMI, understanding how to convert stone and pounds to pounds is an essential skill for UK health information.

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.

How to Convert Stone and Pounds to Pounds

The conversion formula is simple: multiply the number of stone by 14 (since 1 stone = 14 pounds exactly), then add any additional pounds.

  • Formula: (stone × 14) + additional pounds = total pounds
  • Example: 11 stone 4 pounds = (11 × 14) + 4 = 154 + 4 = 158 pounds
  • Quick reference: 1 stone = 14 pounds (exact)

This conversion is one of the most reliable weight conversions because the stone-to-pound relationship is a fixed ratio — not an approximation like kg conversions. Use our free weight converter tool above to check your conversion instantly, or calculate manually using the formula above for any weight in stone and pounds.

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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.

UK Context: When You Need This Conversion

In the UK, GPs and NHS health services record weight in both kilograms and stone and pounds, depending on the service and patient preference. However, many online health tools, fitness apps, and international medical guidelines use pounds exclusively. If you're checking your BMI or tracking your weight using our free BMI calculator, you may need to convert your UK measurements to pounds for compatibility.

  • NHS health records: often use both systems
  • Fitness and weight loss apps: typically use pounds or kg
  • International weight management guidance: uses pounds in some regions

For NHS-aligned UK health information and personalised advice on healthy weight, consult your GP or use evidence-based UK health resources.

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 many pounds is 10 stone 7 pounds?

To convert, multiply the stone by 14 and add the extra pounds: (10 × 14) + 7 = 140 + 7 = 147 pounds. Use our free weight converter above for instant calculations of any weight.

What's the difference between stone and pounds conversion?

Stone is a larger unit; 1 stone = exactly 14 pounds. Conversion between stone and pounds is fixed, unlike kg conversions which use a decimal formula (1 kg = 2.20462 lbs). The stone-pound relationship never changes.

Why does the UK use stone and pounds for weight?

Stone is a traditional imperial measurement still widely used in the UK for body weight, even though kilograms are used in clinical settings. The NHS uses both systems to accommodate patient familiarity. Most UK adults think of their weight in stone and pounds.

How do I convert my weight to check my BMI using pounds?

Convert your stone and pounds to pounds using the formula above, then use our free BMI calculator on this page. The calculator accepts both metric (kg) and imperial (pounds) measurements, so you can enter your weight in whichever unit you prefer.

Is the stone-to-pounds conversion used in NHS health guidance?

Yes, the NHS recognises both stone and pounds and kilograms for weight recording. Healthy weight ranges are typically given in both units in NHS resources. Your GP can advise on healthy weight for you using either measurement system.

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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