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
Free tracker included with every download this week
What is 83kg in Stone?
83 kilograms is equal to 13 stone and 1 pound (13st 1lb). If you're converting kilograms to stone for health reasons or everyday use, understanding how to convert between these UK measurements is straightforward. The conversion uses a simple ratio: divide kilograms by 6.35 to get stone. At 83kg, most UK adults fall into the overweight or obese category depending on height, making it useful to also check your BMI and understand what a healthy weight range looks like for your individual circumstances.
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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.
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.
83kg to Stone Conversion & Nearby Values
To convert 83kg to stone, divide by 6.35029. The calculation is: 83 ÷ 6.35029 = 13 stone 1 pound. You can also use our free weight converter above to switch between kilograms, stone, and pounds instantly.
Here's a quick reference table showing 83kg alongside nearby weight values in both stone and kilogram formats:
- 78kg = 12st 4lbs
- 80kg = 12st 8lbs
- 81kg = 12st 11lbs
- 82kg = 12st 13lbs
- 83kg = 13st 1lb
- 84kg = 13st 3lbs
- 85kg = 13st 5lbs
- 87kg = 13st 9lbs
- 90kg = 14st 2lbs
This table helps if you need to check weights either side of 83kg in stone and pounds format.
Clinically BackedWeight Loss
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How It Works
Three simple steps to understand your weight and take action.
Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.
If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.
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.
83kg BMI & Healthy Weight Context
At 83kg, your BMI depends on your height. For example, if you're 5ft 8in (173cm) tall, 83kg gives a BMI of approximately 29.4 — falling into the overweight category (25–29.9). If you're 6ft (183cm), your BMI would be around 24.8 — just within the healthy range. Use our free BMI calculator on this page to check your specific BMI based on your exact height.
According to NHS guidelines, the healthy weight range for someone 5ft 8in tall is approximately 55–74kg (8st 10lbs to 11st 10lbs). For taller individuals, healthy ranges shift upwards. If you'd like to track weight changes or explore weight loss, our free progress tracker can help log your journey.
- 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
- 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
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.
| Feature | Mounjaro | Wegovy |
|---|---|---|
| Drug class | Dual GIP/GLP-1 agonist | GLP-1 agonist |
| Active ingredient | Tirzepatide | Semaglutide |
| Avg. weight loss | 15–22.5% | 12–17% |
| Key trial | SURMOUNT-1 (2022) | STEP 1 (2021) |
| Max dose | 15 mg weekly | 2.4 mg weekly |
| Escalation period | 20–32 weeks | 16–20 weeks |
| Administration | Weekly injection (pen) | Weekly injection (pen) |
| NHS availability | Private prescription only | NHS & private |
| Approx. private cost | £150–£250/month | £150–£300/month |
| Common side effects | Nausea, diarrhoea, constipation | Nausea, 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.
- BMI of 30 or above (obese)
- Age 18 or over
- No contraindicated conditions
- Committed to lifestyle changes
- 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 83kg to stone manually?
Divide 83 by 6.35029. The result is 13.08 stone, which converts to 13 stone 1 pound. Alternatively, multiply 83 by 2.20462 to get 182.9 pounds, then divide by 14 (pounds per stone) to reach the same answer. Our weight converter tool does this instantly.
Is 83kg overweight or obese?
It depends on your height. At 83kg, someone who is 5ft 8in tall would be overweight (BMI 29.4). Someone 6ft tall would be in the healthy range (BMI 24.8). Use the BMI calculator above to determine your personal BMI category based on your height.
What's the healthy weight range at 83kg?
The healthy weight range varies by height. For someone 5ft 8in tall, the healthy range is roughly 55–74kg (8st 10lbs to 11st 10lbs). For someone 6ft tall, it's approximately 61–83kg (9st 8lbs to 13st 1lb). Your GP can advise on your ideal weight range.
How can I convert between kg, stone, and pounds?
Use these conversions: 1kg = 0.1575 stone, 1 stone = 6.35kg, 1 stone = 14 pounds. Our free weight converter tool above handles all conversions instantly between metric and imperial units.
Should I be concerned about being 83kg?
Whether 83kg is a health concern depends on your height, age, and overall fitness. Your GP can assess this individually. If you're interested in exploring weight management options, speak to your GP about whether lifestyle changes or treatment might be appropriate for you.
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.