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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137 Kg In Lbs — What's A Healthy Weight?
137 kilograms equals 301.8 pounds. Whether this weight is healthy depends entirely on your height, age, and individual health profile. According to NHS guidelines, the same weight can be healthy for a taller person and overweight for someone shorter. Use our free BMI calculator above to check your personal BMI instantly — it's the quickest way to understand if 137kg falls within a healthy range for you. This guide shows you the context and what the NHS recommends.
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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.
Healthy Weight Ranges At Different Heights
At 137kg, your weight falls into different categories depending on your height. Here are three concrete examples using NHS BMI thresholds:
- 5ft 10in (178cm): BMI of 19.6 — healthy weight range. 137kg is within normal limits.
- 5ft 8in (173cm): BMI of 20.9 — healthy weight range. 137kg is appropriate for this height.
- 5ft 6in (168cm): BMI of 24.3 — healthy weight range. 137kg is at the upper end but still healthy.
- 5ft 4in (163cm): BMI of 25.8 — overweight category. 137kg exceeds the healthy range for this height.
- 5ft 2in (157cm): BMI of 27.9 — overweight category. 137kg is above healthy limits.
To convert kilograms to stone, divide 137 by 6.35 — this equals approximately 21 stone and 8 pounds. The table above shows why knowing your height matters: weight alone doesn't tell the full story.
Clinically BackedWeight Loss
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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 Guidance And What To Do Next
According to NHS guidelines: A healthy BMI is between 18.5 and 24.9. If your BMI at 137kg is within this range, your weight is considered healthy. If it's above 25, your weight may increase health risks including type 2 diabetes, heart disease, and high blood pressure.
Waist measurement also matters: The NHS recommends measuring waist circumference. For men, a waist over 94cm (37 inches) indicates increased health risk; over 102cm (40 inches) indicates high risk. For women, over 80cm (31.5 inches) indicates increased risk; over 88cm (34.5 inches) indicates high risk.
Next step: Talk to your GP. They can assess your individual health, consider your family history, and discuss whether any weight change would benefit you. Everyone's healthy weight is different.
- 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 137kg in pounds exactly?
137kg equals 301.8 pounds exactly. To convert any weight in kilograms to lbs, multiply by 2.20462. So 137 × 2.20462 = 301.8 lbs. You can also use our free weight converter on this page to switch between kg, stone, and lbs instantly.
Is 137kg a healthy weight for an adult?
It depends on your height, age, and health profile. At 137kg, your BMI can range from healthy to overweight depending on how tall you are. Someone 5ft 10in (178cm) may have a healthy BMI, while someone 5ft 2in (157cm) may be overweight. Use our free BMI calculator above to check your personal BMI — it's the most accurate way to know.
How do I know if my weight is healthy?
The NHS uses BMI (body mass index) as a screening tool. A healthy BMI is 18.5 to 24.9. Calculate your BMI using the free calculator on this page. You should also measure your waist circumference — high waist measurements indicate health risk even at a normal BMI. Your GP can give personalised advice about your individual weight.
What is the healthy weight range for someone who is 5ft 8in?
For an adult 5ft 8in (173cm) tall, the NHS healthy weight range is approximately 50.8kg to 74.5kg (112 to 164 lbs, or 8st to 11st 10lbs). At 137kg, this height would give a BMI of 20.9 — within the healthy range. Your GP can confirm what's healthy for your specific circumstances.
Can I use weight alone to judge if I'm healthy?
No. Weight alone doesn't determine health. BMI is useful but has limitations — it doesn't account for muscle mass, bone density, or where fat is stored. Waist measurement, fitness level, blood pressure, and family health history all matter. Your GP can give a complete picture of your health risk beyond just weight.
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.