Indoor walking is any form of walking exercise done inside a building rather than outdoors. It includes walking on a treadmill, following along with video workouts, doing laps around your home or a mall, marching in place, or using an under-desk walking pad. The appeal is simple: you get the cardiovascular and mood benefits of walking without worrying about weather, traffic, or uneven terrain.
Common Ways to Walk Indoors
The most popular approach is a treadmill, which lets you control your exact speed and incline. But treadmills aren’t the only option, and you don’t need any equipment at all to start walking indoors.
- Walking videos: Free workout videos online guide you through stepping patterns set to music, often adding arm movements or side steps to increase intensity. These are a good entry point if you want structure without buying equipment.
- Treadmill walking: Adjustable speed and incline make it easy to progress over time. You can simulate hills or keep things flat depending on your fitness level.
- Walking pads: These compact, often foldable devices are designed specifically for lower-intensity walking. They have simpler controls and less powerful motors than treadmills, but they slide under a bed or into a closet when you’re done. They’re built for small apartments or under-desk use, not running.
- Mall walking: Shopping malls during off-hours offer a temperature-controlled, flat surface with long corridors and stairwells if you want to add intensity.
- House or building laps: Walking a loop through your home, apartment hallway, or office building requires zero planning. The distances are short, but the steps add up.
How Indoor Walking Differs From Outdoor Walking
Your body moves slightly differently indoors. Research published in the journal Sensors found that people naturally walk at a slower speed with shorter strides in indoor environments compared to outdoor settings. Cadence (how many steps you take per minute) also tends to be lower indoors. The likely explanation is straightforward: indoor spaces are more confined, so you subconsciously shorten your stride and slow your pace to navigate turns, walls, and furniture.
Other gait characteristics, including how long each stride takes, how much time you spend on one foot versus two, and how your swing phase looks, don’t change significantly between environments. So the basic mechanics of walking stay the same. You’re just covering less ground per step, which means you may need to walk a bit longer indoors to match the distance you’d cover outside in the same time.
Health Benefits
Indoor walking delivers the same core benefits as any moderate walking routine. Regular walking strengthens your heart, helps regulate blood sugar, supports joint mobility, and burns calories. At a moderate pace of about 3 miles per hour, walking generates roughly 100 steps per minute. At a brisk 4 mph pace, that jumps to around 152 steps per minute. The faster you go, the more energy you use, but even a slow, steady pace counts as physical activity.
One advantage specific to indoor walking is consistency. Rain, ice, extreme heat, and poor air quality days don’t derail your routine. That predictability makes it easier to build a daily habit, which matters more for long-term health than any single intense session.
Mental Health Effects
Walking indoors does improve mood and reduce stress, though outdoor walking may have a slight edge. A systematic review of longitudinal studies comparing indoor and outdoor exercise found limited evidence for major added health benefits from exercising outside. Of 99 comparisons across 10 studies, 25 showed a statistically significant difference, and all of those favored outdoor exercise. However, the researchers noted high risk of bias and inconsistent reporting across the studies, so the size of that advantage remains unclear.
The practical takeaway: if you enjoy being outside, outdoor walks may give you a small mood boost from natural scenery and fresh air. But if outdoor walking isn’t an option for you, indoor walking still delivers meaningful mental health benefits. A walk you actually do is always better than an outdoor walk you skip.
Footwear for Indoor Walking
Walking barefoot or in socks on hard indoor floors puts more stress on your feet and joints than you might expect. The Pedorthic Association of Canada recommends wearing shoes with cushioned soles when walking indoors, especially on hard surfaces or a treadmill. Cushioning absorbs shock that would otherwise travel up through your legs and into your knees and hips.
Look for shoes with good arch support, a firm heel counter (the rigid part at the back of the shoe that cups your heel), and an adjustable closure like laces or velcro. If you have flat feet or high arches, a removable insole or custom orthotic can fill in where the shoe falls short. You don’t need a separate pair of “indoor walking shoes,” but wearing supportive footwear rather than slippers or going barefoot makes a real difference for comfort and injury prevention over time.
Walking Pads vs. Treadmills
If you’re considering buying equipment, the choice usually comes down to a walking pad or a traditional treadmill. Walking pads are lightweight, portable, and designed for walking only. They typically max out at 3 to 4 mph, have basic speed controls, and fold flat for storage. They’re ideal if you want to walk while working at a standing desk or if you live in a small space.
Treadmills have more powerful motors, support running speeds, and often include incline settings, workout programs, and heart rate monitors. The tradeoff is size: they need a dedicated spot in your home because they’re heavy and difficult to move. If you only plan to walk and space is tight, a walking pad is the more practical choice. If you want the option to jog, run, or do hill workouts, a treadmill gives you room to grow.
Reaching Your Step Goals Indoors
The commonly cited target of 10,000 steps per day works out to roughly 5 miles. At a casual 2 mph pace, you’ll log about 76 steps per minute, meaning 10,000 steps would take just over two hours. Pick up the pace to 3 mph and you’ll hit about 100 steps per minute, bringing the total time down to around an hour and 40 minutes. At a brisk 4 mph, you’d reach 10,000 steps in just over an hour.
You don’t have to do it all at once. Three 20-minute walking sessions spread across the day at a moderate pace will get you roughly 6,000 steps, which is a strong foundation. Steps from your normal movement around the house, office, and errands fill in the rest. If 10,000 feels unrealistic, research consistently shows health benefits starting at around 4,000 to 7,000 daily steps, so set a target that fits your life and build from there.