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 is 130kg in Pounds and What's Your BMI?
130 kilograms equals 286.6 pounds — a significant weight that impacts your health differently depending on your height. Your BMI at this weight ranges from approximately 23.8 to 37.5 depending on whether you're 1.9 metres tall or 1.65 metres tall. To understand what this means for your health, it's important to convert kilograms to stone and calculate your personal BMI using your actual height. Use our free BMI calculator above to find your exact BMI and see where you fall on the NHS weight categories for UK adults.
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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 130kg — Examples at Different Heights
At 130kg, your BMI changes significantly with height. Here are example BMI values at common UK heights:
- 1.65m (5ft 5in): BMI 47.7 — Severely obese (Class III)
- 1.70m (5ft 7in): BMI 44.9 — Severely obese (Class III)
- 1.75m (5ft 9in): BMI 42.4 — Severely obese (Class III)
- 1.80m (5ft 11in): BMI 40.1 — Severely obese (Class III)
- 1.85m (6ft 1in): BMI 37.9 — Obese (Class II)
- 1.90m (6ft 3in): BMI 35.9 — Obese (Class II)
In kilos to stone conversion, 130kg equals approximately 20 stone 6 pounds. These BMI figures show that at this weight, most heights fall into the obese or severely obese category according to NHS guidelines. Your GP can provide personalised advice about what your specific BMI means for your health and whether weight management support is appropriate.
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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 NHS BMI Categories & Limitations
NHS BMI categories for UK adults are: underweight (below 18.5), healthy weight (18.5–24.9), overweight (25–29.9), obese Class I (30–34.9), obese Class II (35–39.9), and severely obese (40+). At 130kg, you're likely in the obese or severely obese range depending on height. However, BMI has important limitations — it doesn't distinguish between muscle and fat, so athletes may have high BMI despite low body fat. It also doesn't account for where fat is stored; waist measurement matters too. For South Asian, Chinese, Black African, or Black Caribbean adults, NHS recommends lower BMI thresholds due to higher health risks at the same BMI level. Use the weight converter on this page to check metric to imperial conversions, and speak with your GP for personalised guidance.
- 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 130kg in pounds exactly?
130 kilograms equals 286.6 pounds. To convert, multiply kilograms by 2.20462. In imperial measurements, this is also 20 stone and 6.6 pounds — the standard metric to imperial weight conversion used in the UK.
Is a BMI of 40+ at serious health risk?
A BMI of 40 or above is classified as severely obese and is associated with significantly increased risk of type 2 diabetes, heart disease, high blood pressure, and certain cancers. Your GP can discuss your individual health risks and whether weight management support is appropriate.
Can I calculate my exact BMI at 130kg?
Yes — use our free BMI calculator on this page. Enter 130kg and your actual height in centimetres to get your precise BMI and NHS weight category. Your height is the crucial factor that determines your BMI at this weight.
Does 130kg affect everyone's health the same way?
No. Health impact depends on height, muscle mass, where fat is stored (waist circumference), age, genetics, and existing health conditions. Two people at 130kg with different heights have different BMI values and different health profiles. Your GP can assess your individual situation.
What BMI is considered healthy?
According to NHS guidelines, a healthy BMI for UK adults is between 18.5 and 24.9. For South Asian, Chinese, Black African, or Black Caribbean adults, a healthy BMI is 18.5 to 22.9 due to higher health risks at slightly higher weights. A BMI calculator helps you find your personal healthy weight range.
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.