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 85 Kg In Stones And Pounds?
85 kg is equal to 13 stone and 5.2 pounds (or 13st 5lbs in short form). To convert kilograms to stone using the standard kg to stone formula, divide 85 by 6.35029. This straightforward conversion helps UK adults understand their weight in the measurements most commonly used in British health contexts. Whether you're tracking your health progress, discussing your weight with your GP, or simply curious about how metric and imperial weight measurements compare, knowing how to convert between these units is useful for understanding health recommendations and BMI assessments.
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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.
85 Kg Conversion Table And Formula
To convert 85kg to stone precisely, use this formula: weight in kg ÷ 6.35029 = weight in stone. For 85kg: 85 ÷ 6.35029 = 13.39 stone, which equals 13 stone 5.2 pounds. Here's how 85kg compares to nearby weights:
- 80 kg = 12st 8lbs
- 82 kg = 12st 12.8lbs
- 85 kg = 13st 5.2lbs
- 88 kg = 13st 12lbs
- 90 kg = 14st 2lbs
You can also convert kilograms to pounds directly: 85kg × 2.20462 = 187.4 lbs. Use our free weight converter above for instant conversions between kg, stone, and lbs in either direction.
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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.
85 Kg BMI And Healthy Weight Context
At 85kg, your BMI depends on your height. For example, at an average UK female height of 5ft 3in (160cm), 85kg gives a BMI of 33.9 (obese category). At an average UK male height of 5ft 9in (175cm), 85kg gives a BMI of 27.8 (overweight category). According to NHS guidelines, a healthy weight for adults is a BMI between 18.5 and 24.9. Try our free BMI calculator above to find your personal BMI and healthy weight range at your height. For people of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds due to higher health risks at the same weight. Your GP can provide personalised guidance about what 85kg means for your individual health.
- 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 85kg to stone and pounds?
Divide 85 by 6.35029 to get stone. 85 ÷ 6.35029 = 13.39 stone. To find the pounds, multiply the decimal (0.39) by 14: 0.39 × 14 = 5.46 pounds. So 85kg = 13 stone 5.2 pounds. Our weight converter above does this instantly.
Is 85 kg overweight according to the NHS?
It depends on your height. At 5ft 9in, 85kg gives a BMI of 27.8 (overweight). At 5ft 3in, it gives a BMI of 33.9 (obese). The NHS defines healthy BMI as 18.5–24.9. Use our BMI calculator to check your personal category.
What is the healthy weight range at 85 kg body weight?
Healthy weight depends entirely on your height. For someone 5ft 8in (173cm), the healthy range is approximately 55–74kg. At 85kg, you'd be above the healthy range at this height. Your GP can advise on a safe weight target based on your individual circumstances.
How many pounds is 85 kilograms?
85kg equals 187.4 pounds (lbs). To convert any weight in kg to lbs, multiply by 2.20462. In the UK, we typically express weight as stone and pounds rather than just lbs, so 85kg is more commonly written as 13 stone 5.2 pounds.
Can I use this conversion for health monitoring?
Yes. Converting your weight to stone helps you track progress using UK health standards and compare your BMI against NHS guidelines. Whether you're monitoring weight loss or discussing your health with your GP, understanding your weight in stone and pounds is important for UK health contexts.
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.