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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What's Your BMI at 68.6 Kg? Height Matters
68.6 kg converts to approximately 151.2 pounds (or 10 stone 11 pounds in UK measurements). Your BMI at this weight depends entirely on your height. Taller individuals will have a lower BMI at this weight, whilst shorter people will fall into a higher category. Use our free BMI calculator above to find your exact BMI, or read on to see how 68.6 kg compares across different heights according to NHS guidelines.
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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.
68.6 Kg BMI at Different Heights
Your BMI at 68.6 kg varies significantly based on your height. Here's how this weight translates across common UK heights:
- 5ft 2in (157 cm): BMI 27.8 — Overweight category (NHS)
- 5ft 4in (163 cm): BMI 25.8 — Overweight category (NHS)
- 5ft 6in (168 cm): BMI 24.0 — Healthy weight category (NHS)
- 5ft 8in (173 cm): BMI 22.9 — Healthy weight category (NHS)
- 5ft 10in (178 cm): BMI 21.7 — Healthy weight category (NHS)
- 6ft 0in (183 cm): BMI 20.5 — Healthy weight category (NHS)
At 68.6 kg, you fall into the healthy weight range for heights of approximately 166 cm (5ft 5in) and above. For shorter heights, reaching a healthy BMI would require a modest reduction in weight. Use the weight converter on this page to check 68.6 kg against your own height instantly.
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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.
Understanding BMI Categories and Limitations
The NHS defines healthy BMI as 18.5 to 24.9 for most adults. At 68.6 kg, whether you fall within this range depends on your height. BMI is a useful screening tool, but it has important limitations — it does not distinguish between muscle and fat, so athletes may have a higher BMI despite low body fat. Additionally, BMI alone does not account for where fat is stored; waist circumference is also relevant for health risk assessment.
For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends slightly lower BMI thresholds due to higher metabolic risk at equivalent BMI levels. If you're concerned about your weight or health, your GP can provide personalised guidance based on your individual circumstances, medical history, and health goals.
- 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 does 68.6 kg convert to in pounds?
68.6 kg equals approximately 151.2 pounds (lbs). In UK stone and pounds, this is 10 stone and 11 pounds (10st 11lbs). The metric to imperial weight conversion is straightforward — multiply kilograms by 2.20462 to get pounds.
Is 68.6 kg a healthy weight?
At 68.6 kg, whether your weight is healthy depends on your height. For most heights above 5ft 5in (166 cm), this weight falls within the NHS healthy BMI range (18.5–24.9). For shorter heights, this weight may be in the overweight category. Use our free BMI calculator to check your personal BMI instantly.
What's my BMI if I weigh 68.6 kg and I'm 5ft 8in?
At 68.6 kg and 5ft 8in (173 cm), your BMI is approximately 22.9, which falls in the healthy weight category according to NHS guidelines (18.5–24.9). This suggests your weight is appropriate for your height from a health screening perspective.
How do I convert kilos to stone?
To convert kilograms to stone, divide the kilogram value by 6.35029. For 68.6 kg: 68.6 ÷ 6.35 = 10.8 stone (approximately 10st 11lbs). Our weight converter tool on this page does this instantly across all UK measurements.
What should I do if my BMI is outside the healthy range at this weight?
If your BMI is above 25 or below 18.5, speak with your GP for personalised advice. They can discuss your individual health, family history, and any weight-related health conditions. Your GP may refer you to NHS weight management services if appropriate, depending on your circumstances and your region's services.
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.