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
Rowing for Weight Loss — How Effective Is It?
Rowing is one of the most effective forms of cardiovascular exercise for weight loss, burning between 400 and 800 calories per hour depending on intensity and body weight. Unlike many cardio activities, rowing engages around 85% of your body's muscles, building strength whilst supporting sustainable weight management. Combined with a reduced-calorie diet, rowing can help create the calorie deficit needed for steady weight loss. The NHS recommends combining physical activity with dietary changes for best results, and rowing fits perfectly into a balanced weight loss approach.
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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.
How Rowing Burns Calories and Supports Weight Loss
Rowing is a low-impact, full-body exercise that engages your legs, core, back, and arms simultaneously. This means you burn more calories per session compared to single-muscle exercises like running, whilst putting less stress on your joints.
- Calorie burn: A 70kg person typically burns 400–600 calories in 45 minutes of moderate-intensity rowing; heavier individuals burn more due to increased effort needed to move their body weight
- Muscle building: Rowing builds lean muscle, which increases resting metabolic rate—meaning you burn more calories even at rest
- Sustainable effort: Rowing's low-impact nature makes it easier to maintain consistency compared to high-impact activities
For weight management in the UK, the NHS advises combining regular physical activity with a balanced, reduced-calorie diet. Calculate your healthy weight range using our free BMI calculator to set realistic goals, then use our progress tracker to log your weekly rowing sessions and weight changes alongside diet adjustments.
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.
Rowing and Weight Loss Medication—Working Together
If you're exploring prescription weight loss options alongside exercise, medications like Mounjaro and Wegovy can support your efforts when combined with physical activity and diet. These GLP-1 medications may help reduce appetite and support feeling fuller, making it easier to maintain the calorie deficit rowing helps create.
- Rowing builds the cardiovascular fitness that supports overall health during weight loss treatment
- Regular exercise can enhance motivation and mental wellbeing alongside medication
- Exercise helps preserve muscle mass during weight loss—important when using GLP-1 medications
Our GLP-1 weight loss calculator can help you understand potential weight loss projections, whilst our weight converter and BMI calculator help you track progress in UK measurements. Always discuss any new exercise plan with your GP, especially if taking weight loss medication.
- 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 many calories does rowing actually burn?
A 70kg person burns approximately 400–600 calories during 45 minutes of moderate-intensity rowing. Heavier individuals burn more; lighter individuals burn slightly less. Intensity matters significantly—vigorous rowing can exceed 800 calories per hour. Actual burn varies based on fitness level, age, and effort.
Is rowing better than running for weight loss?
Rowing burns similar or more calories than running but is lower-impact, making it easier to do consistently without joint injury. Rowing also builds more muscle across the whole body. The "best" exercise is the one you'll do regularly. Many people find rowing sustainable long-term, supporting steady weight loss.
How often should I row for weight loss?
The NHS recommends 150 minutes of moderate activity per week for health. For weight loss, 3–5 rowing sessions per week, combined with a reduced-calorie diet, supports steady loss of 0.5–1kg weekly. Always warm up and cool down, and build intensity gradually to prevent injury.
Can rowing alone cause weight loss without diet changes?
Rowing alone creates a calorie deficit through exercise, but combining it with dietary changes is far more effective. Most successful weight loss requires both. The NHS emphasises that sustainable weight loss comes from the combination of increased activity and reduced calorie intake.
Does rowing build muscle whilst losing fat?
Yes—rowing's resistance component builds lean muscle whilst burning calories. This is beneficial because muscle tissue increases resting metabolic rate. Combining rowing with adequate protein intake (around 1.6–2.0g per kg body weight) helps preserve and build muscle during weight loss.
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.