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 BMI is 156 Lbs? UK Health Guide
156 lbs equals approximately 70.8 kg. Your BMI at this weight depends entirely on your height — the same weight can be a healthy BMI for a taller person or overweight for someone shorter. This guide shows what BMI you'd have at different heights using UK measurements, plus where you'd fall in NHS health categories. Use our free BMI calculator above to check your exact BMI instantly by entering your height.
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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.
BMI at 156 Lbs Across Different Heights
At 156 lbs (70.8 kg), your BMI varies significantly by height. Here are typical examples:
- 5ft 2in (157cm): BMI 25.8 — Overweight (just above healthy range)
- 5ft 4in (163cm): BMI 24.2 — Healthy weight (NHS healthy range)
- 5ft 6in (168cm): BMI 22.9 — Healthy weight
- 5ft 8in (173cm): BMI 21.6 — Healthy weight
- 5ft 10in (178cm): BMI 20.5 — Healthy weight
- 6ft 0in (183cm): BMI 19.5 — Healthy weight
To convert kilograms to stone, 70.8 kg equals 11 stone 1.5 lbs. If you're unsure of your exact height, our weight converter above can help you check your measurements in both metric and imperial formats.
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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 Your Result Means
The NHS defines these BMI ranges for UK adults:
- Below 18.5 = Underweight
- 18.5–24.9 = Healthy weight
- 25.0–29.9 = Overweight
- 30.0 and above = Obese
At 156 lbs, you're likely in the healthy or overweight category depending on your height. If you're of South Asian, Chinese, Black African, or Black Caribbean heritage, the NHS recommends lower thresholds — aim for a BMI below 22.9. Remember: BMI is a screening tool but doesn't account for muscle mass or where fat is stored. Your GP can give personalised health advice based on your individual circumstances.
- 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.
Is 156 lbs a healthy weight?
At 156 lbs (70.8 kg), whether you're at a healthy weight depends on your height. For someone 5ft 6in tall, it's healthy. For someone 5ft 2in, it's slightly overweight. Use our BMI calculator above to check your exact BMI by entering your height and see where you fall on the NHS scale.
How do I convert 156 lbs to kg?
Simply divide 156 by 2.20462 to get 70.8 kg. You can also use our free weight converter on this page to instantly convert between lbs, kg, stone, and pounds. This works for any weight value, not just 156 lbs.
What does my BMI mean for my health?
Your BMI is one health screening tool. A healthy BMI (18.5–24.9) is associated with lower health risks. However, BMI doesn't account for muscle mass, fitness, or where fat is stored. Your waist circumference and overall lifestyle also matter. Speak to your GP about what your BMI means for your personal health.
Is 156 lbs overweight or healthy?
At 156 lbs, you're in the healthy weight range if you're around 5ft 4in or taller. If you're shorter than 5ft 4in, you may be overweight by BMI standards. Height makes all the difference. Calculate your personalised BMI using the free calculator on this page.
How do I know my healthy weight range?
Your healthy weight range depends on your height. For someone 5ft 6in tall, the healthy BMI range (18.5–24.9) means a weight of roughly 115–155 lbs. Use our BMI calculator to find your personalised healthy weight range, or ask your GP for guidance tailored to your health profile.
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.