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
Best Exercise Bikes for Weight Loss
Exercise bikes are one of the most effective home cardio tools for weight loss in the UK. They offer low-impact cardiovascular exercise that burns calories, builds leg strength, and fits easily into a busy lifestyle. Whether you're starting a weight management UK journey or intensifying an existing fitness routine, an exercise bike can be a practical addition to your weight loss approach — especially when combined with dietary changes and, where appropriate, professional support like prescription weight loss medication or NHS weight loss services.
10,000+ calculations today · NHS-aligned thresholds · 100% free
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.
Types of Exercise Bikes and Their Weight Loss Benefits
Stationary upright bikes mimic traditional cycling and are ideal for beginners. They engage your core and lower body, burning approximately 260–400 calories per 30-minute session depending on intensity and body weight.
Recumbent bikes offer back support and are gentler on joints, making them suitable if you have knee or hip issues. They still deliver effective calorie burn (200–350 calories per 30 minutes) whilst being easier to sustain for longer sessions.
Spin bikes provide high-intensity interval training (HIIT) capability, allowing you to alternate between intense bursts and recovery periods. HIIT sessions can burn 400–600 calories per 30 minutes and boost your metabolic rate after exercise.
Air bikes use fan resistance and engage both upper and lower body, making them excellent for total-body calorie burn (350–500 calories per 30 minutes). Use our free BMI calculator to understand your personal weight management targets, then consider which bike type suits your fitness level and goals.
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.
Maximising Weight Loss Results with Exercise Bikes
For sustainable weight loss in the UK, the NHS recommends at least 150 minutes of moderate-intensity aerobic activity per week — exercise bikes can easily contribute to this goal. Aim for 30–45 minute sessions, 4–5 times weekly. Vary your intensity: combine steady-state cycling with interval sessions to prevent fitness plateaus and maintain calorie burn.
Remember that weight loss requires a calorie deficit, which comes primarily from diet. Exercise bikes support this by burning additional calories, but should be paired with nutritional changes. If you're considering glp-1 weight loss medication or other prescription weight loss UK options, your GP can advise how to safely combine these with exercise. Track your progress with our free progress tracker to monitor both fitness improvements and weight changes over time.
- 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 an exercise bike burn per hour?
Calorie burn depends on bike type, intensity, and body weight. Upright stationary bikes burn approximately 520–800 calories per hour, recumbent bikes 400–700 calories per hour, spin bikes 800–1,200 calories per hour, and air bikes 700–1,000 calories per hour. Individual results vary significantly.
Can I lose weight using an exercise bike alone?
Exercise bikes support weight loss but are most effective combined with dietary changes. Weight loss requires a calorie deficit, which comes primarily from eating fewer calories. The NHS emphasises that sustainable weight loss involves both reduced calorie intake and increased physical activity.
Which exercise bike is best for beginners?
Upright stationary bikes or recumbent bikes are ideal for beginners. Recumbent bikes offer back support and are gentler on joints, making longer sessions more comfortable as you build fitness. Spin bikes are better suited for those with existing cardiovascular fitness.
How often should I use an exercise bike for weight loss?
The NHS recommends 150 minutes of moderate-intensity aerobic activity weekly. This translates to 30–45 minute sessions, 4–5 times per week on an exercise bike. Allow at least one rest day weekly to prevent injury and allow muscle recovery.
Can exercise bikes help with weight loss UK without a GP referral?
Yes — home exercise bikes require no prescription. However, if you're considering prescription weight loss medication like Mounjaro or Wegovy, or NHS weight loss services, you should consult your GP. They can advise how to safely combine exercise, diet, and any medical support for your personal weight management goals.
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.