In short: treadmill – higher calorie burn (600 to 900 kcal/h), whole-body demand, the machine for weight management and endurance work. Exercise bike – far gentler on the joints, the right answer for rehabilitation and for deconditioned users (400 to 600 kcal/h). The decision follows the objective (weight loss points to the treadmill, joint protection to the bike) and the floor area available, since the bike takes less of it.
Every cardio floor plan comes down to the same question: how many treadmills, how many bikes. It matters because the two machines serve different members, cost different amounts to install and to run, and behave very differently in a building with neighbours. This comparison is written for the person deciding the mix – a club manager, a hotel or residential gym operator, a rehabilitation centre, a corporate facility.
Treadmill and exercise bike compared
| Criterion | Treadmill | Exercise bike |
|---|---|---|
| Calories per hour | 600 to 900 kcal | 400 to 600 kcal |
| Joint impact | High | Very low |
| Muscles worked | Whole body | Lower body |
| Footprint | Large | Moderate to compact |
| Noise | Moderate to high | Very low |
| Best for | Weight management, running | Rehabilitation, low-impact cardio |
What the treadmill does better
Higher energy expenditure. At 600 to 900 calories an hour the treadmill is well ahead of the bike, because running loads the whole body including the stabilising musculature – roughly fifty per cent more than the bike at comparable effort, on those same figures.
Functional training. Running reproduces a natural movement pattern and develops cardiovascular capacity, endurance and coordination together. It also transfers directly to outdoor activity, which matters for members training for an event.
Programme variety. Current treadmills offer variable incline up to 15 per cent, built-in interval programmes and terrain simulations, so one machine covers walking, steady running and high-intensity work.
Bone loading. Unlike cycling, running is weight-bearing, which supports bone density – a genuine argument in facilities serving members over forty.
The professional range sits under professional treadmills.
What the exercise bike does better
No impact loading. Cycling spares the knees, hips and ankles entirely. That makes it the default machine after injury, for users carrying significant excess weight, and for anyone with joint degeneration.
Comfort and adherence. A seated position lets the user read, watch a screen or take a call while pedalling. That sounds trivial and is not: it is one of the strongest drivers of long-term adherence, and adherence is what a facility is actually selling.
Floor area. A bike occupies far less space than a treadmill, which is decisive in a hotel gym, a residential building gym or any room where every square metre is contested.
Noise. The bike is close to silent. In a building with residents above or below, or a gym open outside staffed hours, this frequently settles the argument on its own.
See the professional exercise bike range.
Choosing between them
What is the main objective?
Fast, maximal weight loss favours the treadmill on calorie burn alone. Progressive return to fitness without joint stress favours the bike.
Are there physical constraints?
Joint problems, significant excess weight, advanced age: the bike is the obvious answer. Members in good condition with no history: the treadmill gives the more complete session.
How much space is there?
Under two square metres per station: bikes. A treadmill needs roughly 2 m by 1 m of floor plus a safety zone behind and to the sides, which is a hard constraint, not a preference.
Is noise a factor?
If the room sits above or below occupied space, or is used early and late, the bike is far easier to live with. A treadmill can still work with proper acoustic underlay beneath it.
What to specify
For treadmills: a powerful motor (2.5 hp minimum), a generous running surface and a cushioning system that protects the user’s joints. Professional machines earn their price in durability under continuous use – a club treadmill runs many hours a day, every day.
For exercise bikes: magnetic resistance for a smooth, silent pedal stroke, a comfortable seat and an LCD console to track the session.
As a catalogue reference point, a professional connected treadmill such as the Lexco LT8xA is listed at 7,875.00 EUR excluding VAT, and a professional indoor cycling bike such as the Bodytone MT6 at 1,425.40 EUR excluding VAT. Those two numbers frame the real budget gap between the two families far better than any general market range.
Frequently asked questions
Which burns more calories, treadmill or bike?
The treadmill, at 600 to 900 calories an hour against 400 to 600 for the exercise bike – roughly fifty per cent more at comparable effort, and it recruits more muscle while doing it.
Is the exercise bike suitable for older users?
Yes. The absence of joint impact and the secure seated position make it the machine physiotherapists most often recommend for rehabilitation and for older members.
Can a treadmill go in a noise-sensitive building?
Yes, with a good cushioning system and acoustic underlay, but sessions early in the morning or late at night can still carry to neighbouring spaces. The bike stays quieter.
How long should a cardio session be?
Aim for 30 to 45 minutes, three to five times a week. Beginners should start with 15 to 20 minute sessions and build up.
Does a treadmill need a dedicated space?
Ideally yes. Around 2 m by 1 m of floor area plus a clear safety zone around it.
Conclusion: which one
There is no universal answer, and most facilities install both in a ratio that follows their membership. Choose the treadmill where the priority is maximal calorie expenditure and whole-body training among members without joint limitations. Choose the bike where joints need protecting, space is tight, or noise is a constraint.
Whichever way the mix falls, the effective machine is the one that gets used. Send us the room, the member profile and the budget and we will propose the split, the models and the layout. Request a quote.
Sources et références
- Code du sport, articles R322-4 à R322-43 – garanties d’hygiène et de sécurité applicables aux établissements d’activités physiques et sportives (Légifrance)



