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 170 Lbs in Stone and Pounds?
170 pounds converts to 12 stone and 2 pounds using the UK standard measurement system. This weight may fall into different health categories depending on your height, age, and individual health context. Understanding your weight in both metric and imperial units helps you track your health more effectively, especially when using NHS health guidance or consulting your GP. Our free weight converter makes it easy to switch between kilograms, stone, and pounds instantly, while our BMI calculator helps you put your weight into a personalised health context.
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.
Converting 170 Lbs to Stone and Kilograms
To convert 170 pounds to stone, divide by 14 (since one stone equals exactly 14 pounds). This gives you 12 stone and 2 pounds. In metric measurements, 170 lbs equals approximately 77.1 kg. These conversions are useful for understanding your weight in UK measurements, which most British adults use daily for health discussions with their GP or for comparing against NHS health guidance.
- 170 lbs = 12 stone 2 lbs (exact)
- 170 lbs = 77.1 kg (metric equivalent)
- Useful for NHS health assessments and GP consultations
- UK adults commonly use stone for body weight measurements
Use our free weight converter above to instantly switch between any weight measurements you need.
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.
Is 170 Lbs a Healthy Weight?
Whether 170 lbs is healthy depends entirely on your height, age, and overall health. For someone 5ft 10in (178cm), 170 lbs gives a BMI of approximately 24.4, which falls in the healthy weight range according to NHS guidelines. However, for someone 5ft 4in (163cm), the same weight gives a BMI of around 29.2, which is considered overweight. Calculate your personal BMI using our free BMI calculator on this page to see how your weight relates to NHS healthy weight ranges for your specific height and ethnicity.
- 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 170 lbs to stone?
Divide 170 by 14 to get 12 stone and 2 pounds. One stone always equals exactly 14 pounds. Use our free weight converter above for instant conversions between stone, pounds, and kilograms.
What is 170 lbs in kilograms?
170 pounds equals approximately 77.1 kg. This metric conversion is useful when checking NHS health guidelines or discussing your weight with healthcare professionals who may use metric measurements.
Is 170 lbs overweight for an adult?
It depends on your height. At 5ft 10in, 170 lbs is a healthy weight (BMI ~24.4). At 5ft 4in, it's overweight (BMI ~29.2). Use our BMI calculator above to check your personal BMI based on your exact height and weight.
How does 170 lbs compare to average UK adult weight?
The average UK adult weighs around 85.7 kg (189 lbs) for men and 71.6 kg (158 lbs) for women. At 170 lbs (77.1 kg), you're below the average for men and above the average for women, though individual healthy weights vary significantly by height.
What should I do if I want to lose weight?
The NHS recommends a sustainable approach: aim to lose 0.5 to 1 kg per week through a reduced-calorie diet and increased physical activity. Consult your GP for personalised advice. Our free progress tracker can help you log and monitor your weight loss journey over time.
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.