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
Is The Rowing Machine Good For Weight Loss?
Yes, rowing machines can be effective for weight loss as part of a balanced approach. A 30-minute rowing session burns approximately 250–350 calories depending on intensity and body weight, making it a solid cardiovascular option. However, sustainable weight loss requires both consistent exercise and dietary changes. For eligible UK adults with a BMI of 30 or above (or 27–29.9 with weight-related health conditions), prescription weight management options are also available alongside exercise. Calculate your BMI and explore your options with our free BMI calculator above to understand where you stand.
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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.
Rowing For Weight Loss: What The Evidence Shows
Rowing is a full-body, low-impact cardiovascular exercise that engages approximately 85% of your muscles — making it more efficient than many gym workouts. Regular rowing supports sustainable weight loss when combined with a reduced-calorie diet. Research suggests that consistent aerobic exercise like rowing helps preserve muscle mass during weight loss, which is important for maintaining a healthy metabolic rate.
- A 70 kg person burns approximately 260–350 calories in 30 minutes of moderate rowing
- High-intensity interval rowing can increase calorie burn significantly
- Rowing reduces injury risk compared to running — beneficial for longer-term exercise adherence
- Regular rowing improves cardiovascular fitness, which supports overall weight management
However, exercise alone rarely produces dramatic weight loss without dietary changes. Most successful weight loss involves both increased physical activity and reduced calorie intake. For UK adults struggling with weight management despite exercise efforts, prescription options exist. Our GLP-1 weight loss calculator can help you explore whether medication might support your goals alongside exercise.
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.
Prescription Weight Loss Options Available In The UK
For eligible adults, prescription weight loss medications can provide additional support alongside exercise like rowing. Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide) are UK-licensed options that may help reduce appetite and support weight management when combined with lifestyle changes.
- NHS access: Available through specialist tier 3 weight management services following GP referral — eligibility based on BMI and health conditions
- Private access: Available through GPhC-registered online prescribers following clinical assessment — no NHS referral needed
- Eligibility: BMI ≥30, or ≥27 with weight-related conditions like type 2 diabetes or high blood pressure
Speak to your GP about whether prescription weight loss treatment might be suitable for you. Combine any medication with exercise (like rowing) and balanced nutrition for best results. Check your current BMI using our free weight converter and BMI calculator to understand your starting point.
- 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 30 minutes of rowing burn?
A person weighing approximately 70 kg typically burns 260–350 calories in 30 minutes of moderate-intensity rowing. Higher intensity and greater body weight increase calorie burn. Exact figures depend on effort level, machine resistance, and individual metabolism.
Can rowing machine exercise alone lead to significant weight loss?
Rowing is an excellent cardiovascular tool but works best combined with dietary changes. A calorie deficit of around 500 kcal daily (through both diet and exercise) supports weight loss of approximately 0.5 kg per week. Exercise without reduced calorie intake typically produces modest results.
Is rowing safe for people carrying excess weight?
Yes, rowing is low-impact and generally safe for heavier individuals. It places less stress on joints than running and strengthens core muscles, which supports long-term exercise adherence. Always consult your GP before starting a new exercise programme, especially if you have existing health conditions.
What's the difference between rowing and other cardio for weight loss?
Rowing engages more muscle groups (approximately 85%) than most cardio, making it more efficient for calorie burn and muscle retention. It's also low-impact, reducing injury risk. However, weight loss ultimately depends on consistent calorie deficit — rowing is one effective tool among many.
Can prescription weight loss medication work alongside rowing exercise?
Yes. Medications like Mounjaro and Wegovy work best alongside lifestyle changes including exercise and improved diet. They're not replacements for exercise but support the process. If you're interested in whether you might be eligible, speak to your GP or use our GLP-1 weight loss calculator to explore options.
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.