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 35 kilos in stone?
35 kilograms is equal to 5 stone and 6.2 pounds (or 5st 6lbs). This is a straightforward conversion using the standard kilogram to stone conversion formula used across the UK. At average UK heights, a weight of 35kg falls well below the healthy weight range for adults and would indicate being significantly underweight according to NHS guidelines. Our free weight converter above can help you switch between kg, stone, and pounds for any weight value.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
How to convert 35kg to stone using the formula
To convert kilograms to stone, divide the kilogram value by 6.35029. For 35kg: 35 ÷ 6.35029 = 5.51 stone. To express this as stone and pounds, multiply the decimal (0.51) by 14 (since 1 stone = 14 pounds): 0.51 × 14 = 7.14 pounds, which rounds to 6.2 lbs. So 35kg = 5 stone 6 pounds. Use this same formula for any kilogram to stone conversion: simply divide the kg value by 6.35029. Our free weight converter makes this instant—just enter 35kg and it displays the result in stone and pounds automatically, along with the exact kilogram equivalent when you work in the opposite direction.
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.
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.
Nearby weight values in stone and pounds
Here are weights close to 35kg for quick reference:
- 30kg = 4st 9.4lbs
- 32kg = 5st 0.3lbs
- 34kg = 5st 5.2lbs
- 35kg = 5st 6.2lbs
- 36kg = 5st 7.1lbs
- 38kg = 5st 13lbs
- 40kg = 6st 4.1lbs
This table makes it easy to see how weights compare across a range. If you need to convert a different weight, use the weight converter above to get an gradual improvement in your preferred unit.
- 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.
What is 35kg in stone and pounds?
35kg equals 5 stone and 6.2 pounds (5st 6lbs). Use the conversion formula: divide 35 by 6.35029 to get 5.51 stone, then multiply the decimal by 14 to get the pounds: 0.51 × 14 = 6.2 lbs.
Is 35kg a healthy weight for an adult?
At 35kg, most adults would be significantly underweight according to NHS BMI guidelines. A healthy weight depends on height—for example, at 5ft 6in (168cm), a healthy weight range is approximately 54–72kg. Use our free BMI calculator to check what a healthy weight range is for your specific height.
What's the formula to convert kg to stone?
Divide the kilogram amount by 6.35029. For example: 35kg ÷ 6.35029 = 5.51 stone. To convert the decimal to pounds, multiply by 14 (since 1 stone = 14 pounds).
How do I convert 35kg to just pounds?
Multiply 35 by 2.20462. So 35kg × 2.20462 = 77.16 pounds. Alternatively, convert 35kg to stone (5.51 stone) and multiply by 14: 5.51 × 14 = 77.14 lbs.
Is there a quick way to convert weights without doing the maths?
Yes—use our free weight converter on this page. Simply enter 35kg and it instantly displays the result in stone, pounds, and other units. No calculation needed.
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.