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
67.1 Kg To Lbs — What's Your BMI?
67.1 kilograms equals 147.9 pounds. However, your BMI — and whether this weight is healthy — depends entirely on your height. At the same weight, a person who is 5ft tall will have a significantly different BMI than someone who is 6ft tall. Use our free BMI calculator above to find your personal BMI instantly, or see examples across common UK heights below to understand where you fall in the NHS weight categories.
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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.
67.1 Kg BMI At Different Heights
At 67.1 kg, your BMI varies considerably depending on your height. Here are examples across typical UK adult heights:
- 5ft (152 cm): BMI 29.0 — Overweight (NHS category)
- 5ft 4in (163 cm): BMI 25.3 — Overweight (NHS category)
- 5ft 6in (168 cm): BMI 24.3 — Healthy weight (NHS category)
- 5ft 8in (173 cm): BMI 22.4 — Healthy weight (NHS category)
- 5ft 10in (178 cm): BMI 21.2 — Healthy weight (NHS category)
- 6ft (183 cm): BMI 20.1 — Healthy weight (NHS category)
As you can see, the same weight delivers very different health profiles at different heights. This is why BMI is calculated using both weight and height together. To convert 67.1 kg to stone, it equals approximately 10 stone 8 pounds — useful when checking against UK weight charts or discussing your weight with your GP.
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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.
NHS BMI Categories & What They Mean
The NHS uses these standard BMI categories for UK adults:
- Below 18.5: Underweight
- 18.5–24.9: Healthy weight
- 25.0–29.9: Overweight
- 30.0–34.9: Obese (Class I)
- 35.0–39.9: Obese (Class II)
- 40.0+: Severely obese (Class III)
Important: BMI is a screening tool but has limitations — it does not distinguish between muscle and fat, so athletes may have a high BMI with low body fat. For adults of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower BMI thresholds due to higher cardiovascular risk at the same BMI. Your GP can give you personalised guidance on what your BMI 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.
What is 67.1 kg in pounds?
67.1 kg equals 147.9 pounds (often rounded to 148 lbs). To convert kg to pounds, multiply by 2.20462. You can use our free weight converter on this page to switch between kilograms, pounds, and stone instantly.
Is 67.1 kg a healthy weight?
It depends on your height. At 5ft 6in or taller, 67.1 kg is typically in the healthy weight range. At shorter heights, it may fall into the overweight category. Use our free BMI calculator above to find your personal BMI and NHS category.
What is 67.1 kg in stone and pounds?
67.1 kg converts to approximately 10 stone and 8 pounds (10st 8lbs). This is the standard UK measurement used by the NHS and commonly discussed with GPs about body weight.
How do I calculate BMI from weight and height?
BMI is calculated by dividing your weight in kilograms by your height in metres squared (BMI = kg ÷ height²). For example, at 173 cm, 67.1 kg gives a BMI of 22.4. Our BMI calculator on this page does this automatically.
Does BMI tell the whole story about weight and health?
No. BMI is useful as a screening tool but has limitations — it doesn't account for muscle mass, bone density, or where fat is stored. Waist circumference and overall health markers (blood pressure, cholesterol) are also important. Your GP can assess your health holistically.
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.