Skip to content

Comparison

Treadmill vs exercise bike for home

Published

Note: This page contains affiliate links. If you buy through them we may earn a commission at no extra cost to you. Learn more

Products for this job

Compare all 7 products

Treadmills and exercise bikes are both easy ways to keep moving indoors through a UK winter, but they suit different homes and habits. A treadmill copies walking and running. A bike is seated and pedalled. Walking pads add a third option: a flat treadmill that slides under the sofa. This article compares them on the practical points: how much floor each takes, how much power they use in kWh, how much noise reaches the floor below, how easy they are to store, and what each type of session suits. There are no fitness promises here, just the differences that decide which machine fits your space.

Side-by-side comparison

Floor space and storage

An exercise bike has a small footprint, roughly the size of a chair and a half, but it stands tall and usually stays out. Folding bikes exist and are lighter. A folding treadmill needs more length, plus clear space behind the belt, but tips up or folds flat. A walking pad is the easiest to hide: it is low and slides under a sofa or bed.

If you want the machine out of sight every evening, a walking pad usually wins. If it can stay in the corner of a spare room, a bike takes the least floor. Our treadmill dimensions and weight article gives typical sizes.

Power use in kWh

A treadmill motor drives the belt and your weight, so it draws more power at higher speeds and inclines. Motors are often listed in horsepower; 1 HP is about 746 W, but listed figures are frequently peak ratings and actual draw at walking pace is much lower. Our electricity use article shows how to estimate kWh and work out your own cost from the unit rate on your bill.

Many exercise bikes use magnetic resistance with a small console that runs on mains, batteries or the pedalling itself. Self-generating bikes use no mains power. Smart bikes with large screens draw more. In general, a bike uses less electricity than a treadmill for the same session length.

Noise through floors

For upstairs rooms and flats, the main difference is footfall. Each treadmill step lands on the deck and can carry through joists as a thud, more so when running. Walking on a pad is quieter, and a mat helps. A bike has no landing, so the main sounds are the flywheel and any belt or chain, which are usually low.

If you share a floor or ceiling with neighbours, a bike is the safe choice for noise. If you want a treadmill anyway, keep to walking speeds and use a mat. See how to reduce treadmill noise and the best quiet walking pads.

What each suits

If you choose a treadmill, start with the best folding treadmills or the best walking pads. For app-linked treadmills, see smart treadmills for Zwift and Kinomap.

  • Walking indoors, including at a standing desk: walking pad or treadmill.
  • Running or practising for a race: treadmill with a suitable belt length and top speed.
  • Uphill walking: incline treadmill or incline walking pad.
  • Seated sessions while watching TV, or in a small upstairs room: exercise bike.
  • Following cycling apps: smart bike or turbo trainer; some treadmills also link to running apps.

See folding treadmills →

Safety and set-up

Both machines need a level floor and clear space. A treadmill needs room behind the belt in case you step off the back, and it should be used with the safety key clipped on. A bike needs its seat and handlebar set to your height and bolts checked regularly. Read the maker's manual for maximum user weight and set-up.

Note:Plug a treadmill directly into a wall socket where the manual says so, clip on the safety key, and unplug it when not in use, especially with children or pets at home.

Frequently asked questions

Is a walking pad or an exercise bike better for a small flat? A walking pad stores away more completely; a bike is quieter through the floor. Pick based on whether storage or noise matters more.

Which uses less electricity? Usually the bike, as many use little or no mains power. Treadmills use more because a motor drives the belt.

Can I use a treadmill upstairs? Yes, with care. Check the floor, use a mat and keep to walking speeds if noise is a concern.

Does an exercise bike take less space than a treadmill? Its footprint is smaller, but a folding treadmill or walking pad can be stored more compactly.

What you need