4 Ways a Treadmill Can Improve Your Fitness Level
Discover 4 ways a treadmill can improve your fitness level. Build leg muscle, burn calories, train rain or shine, and personalise every workout at home.
By Jacob Chambers, Founder & Lead Reviewer · Updated 26 June 2026
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The best home treadmill for walking is a compact, low-impact machine you'll actually use every day, not a gym-grade beast that dominates the room. Walking treadmills differ from training models in that they're smaller, foldable, and built around walking-specific features. Below are five we rate after hours of research, from a feature-packed top pick to a genuinely cheap manual option, followed by a buying guide so you can match one to your space and budget.
NordicTrack is best known for high-end machines like the Commercial X32i, but the budget-friendly T Series 6.5 shows the same attention to value. Its standout feature is iFit: a large library of pre-recorded on- and off-treadmill workouts, where the machine automatically adjusts incline and speed to match your chosen routine. You also get a free 30-day membership to try it before committing.
Even if you never touch the guided workouts, this is a capable all-rounder. It inclines and declines by up to 10%, hits a top speed of 10mph, and uses FlexSelect cushioning for comfort, so it handles everything from walking to HIIT and endurance runs. The 20" x 55" belt gives plenty of room, it folds for storage, and it adds dual 2-inch speakers with an aux port (no Bluetooth, so sorry iPhone users).
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Getting a decent treadmill on a tight budget feels difficult, but if you can live without the bells and whistles, the XTERRA TR150 delivers a solid workout without blowing your budget. With a top speed of 10mph, it's one of the best treadmills for beginners, seniors and anyone after an easy, casual session at home. As you walk, the 5" LCD keeps you updated on calories, speed, time and incline.
You can adjust the incline across three settings, hand-pulse grips help keep you steady, and the motor keeps pace with everyday use. When you're done, pull the knob and fold it flat.
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This manual treadmill from Sunny Health & Fitness is the cheapest pick on our list and a sensible choice if you want a simple workout that also tests your endurance, since you power the belt yourself. It's built from sturdy alloy steel with a straightforward, compact design that fits easily into any home gym.
The running surface measures 42" x 13", so there's room to move, and the sturdy handles keep you secure as you walk. The LCD monitor tracks calories, speed and distance, and the belt pairs a smooth, non-slip texture with good shock absorption. Bear in mind that its low price is reflected in long-term durability, and its maximum user weight makes it unsuitable for heavier users.
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Our budget pick is another great option if you'd rather not pay over the odds for fancy features. With both manual and automatic modes, it's a versatile machine suited to a range of ages and body types. The 800-watt corded motor offers six preset speeds from 0.5 up to 7mph, making it a perfect entry-level treadmill, and it tracks your heart rate on the LCD alongside start/stop and speed controls.
It folds down easily and has built-in wheels so you can move it room to room. Just note the low maximum user weight, which makes it unsuitable for users heavier than roughly 150-175lbs. For smaller users, though, it's one of the best folding treadmills in this category.
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We saved the machine many of our team called the best treadmill for last. With a 1.5 CHP motor, 16 preset programs and a top speed of 7.5mph, it's one of the most capable options here. The running surface measures a generous 15.75" x 43.40" and includes a smart automatic incline, so it works whether you're a casual walker or starting more formal training.
What we love best is the sports-app connectivity: pair your device over Bluetooth, sync your favourite fitness app, and keep on track with your goals. A 300lb maximum user weight makes it suitable for a wide range of users. It's no commercial-grade machine, but it'll put you well on your way.
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Here are the features worth weighing up before you choose the best walking treadmill for you.
Take stock of your budget first. As a rule, the higher the price, the more durable and feature-rich the machine. If you can't spend more than around £700, don't expect the belt and motor to last much beyond a couple of years. Spend £1,000 or more and you can land something close to gym quality. If you can stretch the budget, prioritise treadmills with a frame and motor warranty.
The motor powers the track and is usually measured in continuous horsepower (CHP). Most home treadmills sit between 2.25 and 4.25 CHP, and the right figure depends on your exercise type and body weight.
Matching motor power to your weight
If you weigh 200lbs or less, a 2.0 CHP motor is plenty for walking. If you'll also jog or run, aim higher than 2.5-3.0 CHP. If you weigh more than 200lbs, choose 2.5 CHP or more.
For walking treadmills, the average track length is around 55", though you can find 60" or longer if you're tall. Shorter users needn't worry much about length. For width, 20" is the standard and suits most people, but heavier or larger users may prefer up to 22".
The belt's durability is one of the biggest factors in a treadmill's value. The three things to check are thickness, lubrication and roller quality.
For seniors and anyone with a weaker constitution, cushioning matters. It can protect your joints by up to 40% from exercise impact, reducing injury risk and helping stamina. Adjustable cushioning lets you dial in the support you need, though it's usually reserved for more advanced treadmills.
An adjustable incline burns calories faster, eases joint stress and targets different muscles, much like walking uphill versus on the flat. On a budget you may have to adjust incline manually; most treadmills top out between 10% and 20%. For speed, since you're mainly walking, a 10-12mph top speed is ample. If that feels slow or you plan to progress to running, choose a higher max speed. For pre-recorded workouts, pick a model that adjusts speed and incline automatically.
Most walking treadmills fold for storage. If you're going foldable, measure your floor space first, including length, width and height. A compact treadmill is ideal for small spaces, but you may trade away some features for the smaller footprint.
Some higher-end models include live or pre-recorded workout subscriptions, usually followed on a large integrated LCD. Premium treadmills change incline and speed automatically to match the session; cheaper ones may need you to adjust settings manually.
Beyond the core power specs, you might value shock absorption, an energy-saver mode, Bluetooth speakers or an integrated tablet holder. These can matter a lot to some users, but they'll usually add to the price, so weigh them against your budget.
Largely, yes. Nothing beats a walk in the great outdoors, but you'll burn the same number of calories, or perhaps more, walking on a treadmill.
No more than walking outside. Your hips, joints and knees move in much the same way as they do outdoors, so a treadmill doesn't increase your injury risk.
Anyone starting a fitness or weight-loss journey who wants a simple, straightforward option, and especially seniors who may find running difficult.
It varies by person and goal, but if you're just starting out, a 2-3% incline is plenty.
It varies from one user to the next. Across the treadmills we reviewed, you can choose anywhere from 0.5mph to 10mph.
We weighed up many factors in choosing these walking treadmills. Overall, the best is the NordicTrack T Series 6.5, with its 10mph top speed, incline, iFit workouts and long list of features. Our budget pick is the Best Choice Products 800W Folding Electric Treadmill, a great example of how affordable home fitness should be done. Whichever you choose, happy walking.
Largely, yes. Nothing beats fresh air, but your hips, knees and joints move in much the same way, and you burn a similar number of calories, sometimes more if you add incline.
Anyone starting a fitness or weight-loss journey who wants a simple, low-impact option, and seniors or less mobile users who find running difficult. Walking treadmills are smaller, quieter and usually fold away.
If you're just starting out, a 2-3% incline is plenty. For speed, most walkers are well served by the 0.5-10mph range our picks cover; ramp it up only if you plan to progress to jogging.
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